* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * * [misc]points:  Sampling 266 additional inputs, have 0 / 256
* * * * [misc]points:  Computing 266 additional correct outputs
* * * * [misc]points:  Setting precision to 2
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 84 additional inputs, have 182 / 256
* * * * [misc]points:  Computing 84 additional correct outputs
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 27 additional inputs, have 239 / 256
* * * * [misc]points:  Computing 27 additional correct outputs
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * [misc]progress:  [2/2] Setting up program.
* [misc]progress:  [Phase 2 of 3] Improving.
* [enter]simplify:  Simplifying (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (81 enodes)
* * [misc]simplify:  iters left: 3 (240 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (- d4 d1) (- d2 d3)))
* * [misc]progress:  iteration 1 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-event (λ (d1 d2 d3 d4) (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2 1)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 d2) into 0
* [misc]backup-simplify:  Simplify (* 0 d3) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (* d4 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d2)) into d2
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d3)) into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]backup-simplify:  Simplify (+ (* d4 1) (* 0 0)) into d4
* [misc]backup-simplify:  Simplify (+ (- d2 d3) d4) into (- (+ d4 d2) d3)
* [misc]taylor:  Taking taylor expansion of (- (+ d4 d2) d3) in d2
* [misc]taylor:  Taking taylor expansion of (+ d4 d2) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (+ d4 0) into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d4 (- d3)) into (- d4 d3)
* [misc]taylor:  Taking taylor expansion of (- d4 d3) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ d4 0) into d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d2))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d3))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d4 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]approximate:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d4
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d3
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d3
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d2
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d2)) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* (/ 1 d4) 1) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d2))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d3))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d4) 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)) (* 0 (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)) (* 0 (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d4) 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 d2)) (/ 1 (/ 1 d1)))))) (+ (* -1 (* 1 (* (/ 1 (/ 1 d3)) (* 1 (/ 1 (/ 1 d1)))))) (* 1 (* (/ 1 (/ 1 d4)) (* 1 (* 1 (/ 1 (/ 1 d1)))))))) into (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* [misc]approximate:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d4
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d4
* [misc]taylor:  Taking taylor expansion of (- d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d3
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d3
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d3
* [misc]taylor:  Taking taylor expansion of (- d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d3
* [misc]taylor:  Taking taylor expansion of (- d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d2
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d2
* [misc]taylor:  Taking taylor expansion of (- d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d2
* [misc]taylor:  Taking taylor expansion of (- d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d2)) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* (/ -1 d4) -1) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d2))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d3))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d4) 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 d2)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))) (* 0 (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))) (* 0 (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d4) 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 (- d2))) (/ 1 (/ 1 (- d1))))))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- d3))) (* 1 (/ 1 (/ 1 (- d1))))))) (* 1 (* (/ 1 (/ 1 (- d4))) (* 1 (* 1 (/ 1 (/ 1 (- d1))))))))) into (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (* d1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (* d1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (* d1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 d2) into 0
* [misc]backup-simplify:  Simplify (* 0 d3) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (* d4 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d2)) into d2
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d3)) into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]backup-simplify:  Simplify (+ (* d4 1) (* 0 0)) into d4
* [misc]backup-simplify:  Simplify (+ (- d2 d3) d4) into (- (+ d4 d2) d3)
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (- (+ d4 d2) d3) 0) into (- (+ d2 d4) d3)
* [misc]taylor:  Taking taylor expansion of (- (+ d2 d4) d3) in d2
* [misc]taylor:  Taking taylor expansion of (+ d2 d4) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (+ 0 d4) into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d4 (- d3)) into (- d4 d3)
* [misc]taylor:  Taking taylor expansion of (- d4 d3) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ d4 0) into d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d2))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d3))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d4 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ (* -1 (* 1 (* d3 (* 1 d1)))) (+ (* 1 (* 1 (* 1 (* d2 d1)))) (* -1 (pow (* 1 (* 1 (* 1 d1))) 2)))) into (- (* d1 d2) (+ (* d1 d3) (pow d1 2)))
* [misc]approximate:  Taking taylor expansion of (- (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) (* (/ 1 d1) (/ 1 d1))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) (* (/ 1 d1) (/ 1 d1))) in d4
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d4
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) (* (/ 1 d1) (/ 1 d1))) in d3
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d3
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d3
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) (* (/ 1 d1) (/ 1 d1))) in d2
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d2
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) (* (/ 1 d1) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) (* (/ 1 d1) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d2)) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* (/ 1 d4) 1) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) 0) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d2))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d3))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d4) 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)) (* 0 (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)) (* 0 (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d4) 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 d2)) (/ 1 (/ 1 d1)))))) (+ (* -1 (* 1 (* (/ 1 (/ 1 d3)) (* 1 (/ 1 (/ 1 d1)))))) (* 1 (* (/ 1 (/ 1 d4)) (* 1 (* 1 (/ 1 (/ 1 d1)))))))) into (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* [misc]approximate:  Taking taylor expansion of (- (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in d4
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d4
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d4
* [misc]taylor:  Taking taylor expansion of (- d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d1))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in d3
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d3
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d3
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d3
* [misc]taylor:  Taking taylor expansion of (- d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d3
* [misc]taylor:  Taking taylor expansion of (- d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d1))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d2
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d2
* [misc]taylor:  Taking taylor expansion of (- d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d2
* [misc]taylor:  Taking taylor expansion of (- d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d1))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d2)) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* (/ -1 d4) -1) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) 0) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d2))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d3))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d4) 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 d2)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))) (* 0 (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))) (* 0 (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d4) 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 (- d2))) (/ 1 (/ 1 (- d1))))))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- d3))) (* 1 (/ 1 (/ 1 (- d1))))))) (* 1 (* (/ 1 (/ 1 (- d4))) (* 1 (* 1 (/ 1 (/ 1 (- d1))))))))) into (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (expm1 (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (97 enodes)
* * [misc]simplify:  iters left: 2 (159 enodes)
* * [misc]simplify:  iters left: 1 (210 enodes)
* [exit]simplify:  Simplified to (expm1 (fma d1 (- d2 d3) (* d1 d4)))
* [exit]simplify:  Simplified to (expm1 (fma d1 (- d2 d3) (* d1 d4)))
* * * * [misc]progress:  [ 2 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (expm1 (log1p (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (log1p (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (97 enodes)
* * [misc]simplify:  iters left: 2 (159 enodes)
* * [misc]simplify:  iters left: 1 (210 enodes)
* [exit]simplify:  Simplified to (log1p (fma d1 (- d2 d3) (* d1 d4)))
* [exit]simplify:  Simplified to (log1p (fma d1 (- d2 d3) (* d1 d4)))
* * * * [misc]progress:  [ 3 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (fma (* (cbrt (- (* d1 d2) (* d1 d3))) (cbrt (- (* d1 d2) (* d1 d3)))) (cbrt (- (* d1 d2) (* d1 d3))) (* d4 d1)) (* d1 d1)))>
* * * * [misc]progress:  [ 4 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (fma (sqrt (- (* d1 d2) (* d1 d3))) (sqrt (- (* d1 d2) (* d1 d3))) (* d4 d1)) (* d1 d1)))>
* * * * [misc]progress:  [ 5 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (fma 1 (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))>
* * * * [misc]progress:  [ 6 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (fma d1 (- d2 d3) (* d4 d1)) (* d1 d1)))>
* * * * [misc]progress:  [ 7 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log (* (/ (exp (* d1 d2)) (exp (* d1 d3))) (exp (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (/ (exp (* d1 d2)) (exp (* d1 d3))) (exp (* d4 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (75 enodes)
* * [misc]simplify:  iters left: 2 (141 enodes)
* * [misc]simplify:  iters left: 1 (217 enodes)
* [exit]simplify:  Simplified to (exp (fma d1 (- d4 d3) (* d2 d1)))
* [exit]simplify:  Simplified to (exp (fma d1 (- d4 d3) (* d2 d1)))
* * * * [misc]progress:  [ 8 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log (* (exp (- (* d1 d2) (* d1 d3))) (exp (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (exp (- (* d1 d2) (* d1 d3))) (exp (* d4 d1)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (60 enodes)
* * [misc]simplify:  iters left: 3 (124 enodes)
* * [misc]simplify:  iters left: 2 (201 enodes)
* * [misc]simplify:  iters left: 1 (311 enodes)
* [exit]simplify:  Simplified to (exp (fma (- d2 d3) d1 (* d4 d1)))
* [exit]simplify:  Simplified to (exp (fma (- d2 d3) d1 (* d4 d1)))
* * * * [misc]progress:  [ 9 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (pow (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) 1) (* d1 d1)))>
* * * * [misc]progress:  [ 10 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (exp (log (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (log (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (102 enodes)
* * [misc]simplify:  iters left: 2 (165 enodes)
* * [misc]simplify:  iters left: 1 (218 enodes)
* [exit]simplify:  Simplified to (log (fma d1 (- d2 d3) (* d1 d4)))
* [exit]simplify:  Simplified to (log (fma d1 (- d2 d3) (* d1 d4)))
* * * * [misc]progress:  [ 11 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log (exp (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (exp (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (69 enodes)
* * [misc]simplify:  iters left: 3 (151 enodes)
* * [misc]simplify:  iters left: 2 (253 enodes)
* * [misc]simplify:  iters left: 1 (377 enodes)
* [exit]simplify:  Simplified to (exp (fma d1 (- d4 d3) (* d2 d1)))
* [exit]simplify:  Simplified to (exp (fma d1 (- d4 d3) (* d2 d1)))
* * * * [misc]progress:  [ 12 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* (* (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (54 enodes)
* * [misc]simplify:  iters left: 3 (99 enodes)
* * [misc]simplify:  iters left: 2 (161 enodes)
* * [misc]simplify:  iters left: 1 (210 enodes)
* [exit]simplify:  Simplified to (* (cbrt (fma (- d2 d3) d1 (* d1 d4))) (cbrt (fma (- d2 d3) d1 (* d1 d4))))
* [exit]simplify:  Simplified to (* (cbrt (fma (- d2 d3) d1 (* d1 d4))) (cbrt (fma (- d2 d3) d1 (* d1 d4))))
* [enter]simplify:  Simplifying (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (97 enodes)
* * [misc]simplify:  iters left: 2 (159 enodes)
* * [misc]simplify:  iters left: 1 (210 enodes)
* [exit]simplify:  Simplified to (cbrt (fma d1 (- d2 d3) (* d1 d4)))
* [exit]simplify:  Simplified to (cbrt (fma d1 (- d2 d3) (* d1 d4)))
* * * * [misc]progress:  [ 13 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (cbrt (* (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (35 enodes)
* * [misc]simplify:  iters left: 4 (159 enodes)
* [exit]simplify:  Simplified to (pow (fma (- d2 d3) d1 (* d1 d4)) 3)
* [exit]simplify:  Simplified to (pow (fma (- d2 d3) d1 (* d1 d4)) 3)
* * * * [misc]progress:  [ 14 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (97 enodes)
* * [misc]simplify:  iters left: 2 (159 enodes)
* * [misc]simplify:  iters left: 1 (210 enodes)
* [exit]simplify:  Simplified to (sqrt (fma d1 (- d2 d3) (* d1 d4)))
* [exit]simplify:  Simplified to (sqrt (fma d1 (- d2 d3) (* d1 d4)))
* [enter]simplify:  Simplifying (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (97 enodes)
* * [misc]simplify:  iters left: 2 (159 enodes)
* * [misc]simplify:  iters left: 1 (210 enodes)
* [exit]simplify:  Simplified to (sqrt (fma d1 (- d2 d3) (* d1 d4)))
* [exit]simplify:  Simplified to (sqrt (fma d1 (- d2 d3) (* d1 d4)))
* * * * [misc]progress:  [ 15 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (/ (+ (pow (- (* d1 d2) (* d1 d3)) 3) (pow (* d4 d1) 3)) (+ (* (- (* d1 d2) (* d1 d3)) (- (* d1 d2) (* d1 d3))) (- (* (* d4 d1) (* d4 d1)) (* (- (* d1 d2) (* d1 d3)) (* d4 d1))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (+ (pow (- (* d1 d2) (* d1 d3)) 3) (pow (* d4 d1) 3))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (30 enodes)
* * [misc]simplify:  iters left: 4 (90 enodes)
* * [misc]simplify:  iters left: 3 (322 enodes)
* [exit]simplify:  Simplified to (fma (pow (- d2 d3) 3) (pow d1 3) (pow (* d1 d4) 3))
* [exit]simplify:  Simplified to (fma (pow (- d2 d3) 3) (pow d1 3) (pow (* d1 d4) 3))
* [enter]simplify:  Simplifying (+ (* (- (* d1 d2) (* d1 d3)) (- (* d1 d2) (* d1 d3))) (- (* (* d4 d1) (* d4 d1)) (* (- (* d1 d2) (* d1 d3)) (* d4 d1))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (37 enodes)
* * [misc]simplify:  iters left: 4 (115 enodes)
* * [misc]simplify:  iters left: 3 (464 enodes)
* [exit]simplify:  Simplified to (fma (* d1 (- d2 d3)) (* d1 (+ (- d4) (- d2 d3))) (* (* d4 d1) (* d4 d1)))
* [exit]simplify:  Simplified to (fma (* d1 (- d2 d3)) (* d1 (+ (- d4) (- d2 d3))) (* (* d4 d1) (* d4 d1)))
* * * * [misc]progress:  [ 16 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* 1 (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (* d1 d1)))>
* * * * [misc]progress:  [ 17 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (/ (- (* (- (* d1 d2) (* d1 d3)) (- (* d1 d2) (* d1 d3))) (* (* d4 d1) (* d4 d1))) (- (- (* d1 d2) (* d1 d3)) (* d4 d1))) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (* (- (* d1 d2) (* d1 d3)) (- (* d1 d2) (* d1 d3))) (* (* d4 d1) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (29 enodes)
* * [misc]simplify:  iters left: 4 (84 enodes)
* * [misc]simplify:  iters left: 3 (306 enodes)
* [exit]simplify:  Simplified to (- (* (* d1 (- d2 d3)) (* d1 (- d2 d3))) (* (* d4 d1) (* d4 d1)))
* [exit]simplify:  Simplified to (- (* (* d1 (- d2 d3)) (* d1 (- d2 d3))) (* (* d4 d1) (* d4 d1)))
* [enter]simplify:  Simplifying (- (- (* d1 d2) (* d1 d3)) (* d4 d1))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (54 enodes)
* * [misc]simplify:  iters left: 3 (114 enodes)
* * [misc]simplify:  iters left: 2 (177 enodes)
* * [misc]simplify:  iters left: 1 (240 enodes)
* [exit]simplify:  Simplified to (fma (+ d4 d3) (- d1) (* d2 d1))
* [exit]simplify:  Simplified to (fma (+ d4 d3) (- d1) (* d2 d1))
* * * * [misc]progress:  [ 18 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (fma d1 d2 (- (* d3 d1))) (+ (fma (- d3) d1 (* d3 d1)) (* d4 d1))) (* d1 d1)))>
* [enter]simplify:  Simplifying (+ (fma (- d3) d1 (* d3 d1)) (* d4 d1))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (54 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (* d1 d4)
* [exit]simplify:  Simplified to (* d1 d4)
* * * * [misc]progress:  [ 19 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (* d1 d2) (+ (- (* d1 d3)) (* d4 d1))) (* d1 d1)))>
* [enter]simplify:  Simplifying (+ (- (* d1 d3)) (* d4 d1))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* [exit]simplify:  Simplified to (* d1 (- d4 d3))
* [exit]simplify:  Simplified to (* d1 (- d4 d3))
* * * * [misc]progress:  [ 20 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (* d1 d2) (+ (- (* d1 d3)) (* d4 d1))) (* d1 d1)))>
* [enter]simplify:  Simplifying (+ (- (* d1 d3)) (* d4 d1))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* [exit]simplify:  Simplified to (* d1 (- d4 d3))
* [exit]simplify:  Simplified to (* d1 (- d4 d3))
* * * * [misc]progress:  [ 21 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (- (* d1 d2) (- (* d1 d3) (* d4 d1))) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (* d1 d3) (* d4 d1))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (30 enodes)
* [exit]simplify:  Simplified to (* d1 (- d3 d4))
* [exit]simplify:  Simplified to (* d1 (- d3 d4))
* * * * [misc]progress:  [ 22 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (* d4 d1) (- (* d1 d2) (* d1 d3))) (* d1 d1)))>
* * * * [misc]progress:  [ 23 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (fma (* (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (- (* d1 d1))) (fma (- d1) d1 (* d1 d1))))>
* [enter]simplify:  Simplifying (fma (* (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (- (* d1 d1)))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (30 enodes)
* * [misc]simplify:  iters left: 4 (64 enodes)
* * [misc]simplify:  iters left: 3 (113 enodes)
* * [misc]simplify:  iters left: 2 (175 enodes)
* * [misc]simplify:  iters left: 1 (285 enodes)
* [exit]simplify:  Simplified to (* d1 (- (+ d4 d2) (+ d3 d1)))
* [exit]simplify:  Simplified to (* d1 (- (+ d4 d2) (+ d3 d1)))
* [enter]simplify:  Simplifying (fma (- d1) d1 (* d1 d1))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* * * * [misc]progress:  [ 24 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (fma (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (- (* d1 d1))) (fma (- d1) d1 (* d1 d1))))>
* [enter]simplify:  Simplifying (fma (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (- (* d1 d1)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (29 enodes)
* * [misc]simplify:  iters left: 4 (62 enodes)
* * [misc]simplify:  iters left: 3 (165 enodes)
* * [misc]simplify:  iters left: 2 (409 enodes)
* [exit]simplify:  Simplified to (* (+ (- d4 d1) (- d2 d3)) d1)
* [exit]simplify:  Simplified to (* (+ (- d4 d1) (- d2 d3)) d1)
* [enter]simplify:  Simplifying (fma (- d1) d1 (* d1 d1))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* * * * [misc]progress:  [ 25 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (fma 1 (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (- (* d1 d1))) (fma (- d1) d1 (* d1 d1))))>
* [enter]simplify:  Simplifying (fma 1 (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (- (* d1 d1)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (31 enodes)
* * [misc]simplify:  iters left: 4 (73 enodes)
* * [misc]simplify:  iters left: 3 (219 enodes)
* [exit]simplify:  Simplified to (* (- (+ d4 d2) (+ d3 d1)) d1)
* [exit]simplify:  Simplified to (* (- (+ d4 d2) (+ d3 d1)) d1)
* [enter]simplify:  Simplifying (fma (- d1) d1 (* d1 d1))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* * * * [misc]progress:  [ 26 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log1p (expm1 (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (expm1 (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (82 enodes)
* * [misc]simplify:  iters left: 3 (241 enodes)
* [exit]simplify:  Simplified to (expm1 (* (+ (- d4 d1) (- d2 d3)) d1))
* [exit]simplify:  Simplified to (expm1 (* (+ (- d4 d1) (- d2 d3)) d1))
* * * * [misc]progress:  [ 27 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (expm1 (log1p (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (log1p (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (82 enodes)
* * [misc]simplify:  iters left: 3 (241 enodes)
* [exit]simplify:  Simplified to (log1p (* (+ (- d4 d1) (- d2 d3)) d1))
* [exit]simplify:  Simplified to (log1p (* (+ (- d4 d1) (- d2 d3)) d1))
* * * * [misc]progress:  [ 28 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (fma (* (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (- (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 29 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (fma (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (- (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 30 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (fma 1 (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (- (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 31 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log (/ (* (/ (exp (* d1 d2)) (exp (* d1 d3))) (exp (* d4 d1))) (exp (* d1 d1)))))>
* [enter]simplify:  Simplifying (/ (* (/ (exp (* d1 d2)) (exp (* d1 d3))) (exp (* d4 d1))) (exp (* d1 d1)))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (31 enodes)
* * [misc]simplify:  iters left: 4 (55 enodes)
* * [misc]simplify:  iters left: 3 (124 enodes)
* * [misc]simplify:  iters left: 2 (297 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (- (+ d4 d2) (+ d3 d1)))
* [exit]simplify:  Simplified to (pow (exp d1) (- (+ d4 d2) (+ d3 d1)))
* * * * [misc]progress:  [ 32 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log (/ (* (exp (- (* d1 d2) (* d1 d3))) (exp (* d4 d1))) (exp (* d1 d1)))))>
* [enter]simplify:  Simplifying (/ (* (exp (- (* d1 d2) (* d1 d3))) (exp (* d4 d1))) (exp (* d1 d1)))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (34 enodes)
* * [misc]simplify:  iters left: 4 (74 enodes)
* * [misc]simplify:  iters left: 3 (173 enodes)
* * [misc]simplify:  iters left: 2 (396 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (+ (- d2 d3) (- d4 d1)))
* [exit]simplify:  Simplified to (pow (exp d1) (+ (- d2 d3) (- d4 d1)))
* * * * [misc]progress:  [ 33 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log (/ (exp (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (exp (* d1 d1)))))>
* [enter]simplify:  Simplifying (/ (exp (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (exp (* d1 d1)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (31 enodes)
* * [misc]simplify:  iters left: 4 (85 enodes)
* * [misc]simplify:  iters left: 3 (245 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (+ (- d2 d3) (- d4 d1)))
* [exit]simplify:  Simplified to (pow (exp d1) (+ (- d2 d3) (- d4 d1)))
* * * * [misc]progress:  [ 34 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (pow (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) 1))>
* * * * [misc]progress:  [ 35 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (exp (log (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (log (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (82 enodes)
* * [misc]simplify:  iters left: 3 (241 enodes)
* [exit]simplify:  Simplified to (log (* (+ (- d4 d1) (- d2 d3)) d1))
* [exit]simplify:  Simplified to (log (* (+ (- d4 d1) (- d2 d3)) d1))
* * * * [misc]progress:  [ 36 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log (exp (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (exp (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (30 enodes)
* * [misc]simplify:  iters left: 4 (98 enodes)
* * [misc]simplify:  iters left: 3 (309 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (+ (- d4 d1) (- d2 d3)))
* [exit]simplify:  Simplified to (pow (exp d1) (+ (- d4 d1) (- d2 d3)))
* * * * [misc]progress:  [ 37 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (* (cbrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))) (cbrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))) (cbrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (* (cbrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))) (cbrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (28 enodes)
* * [misc]simplify:  iters left: 4 (83 enodes)
* * [misc]simplify:  iters left: 3 (242 enodes)
* [exit]simplify:  Simplified to (* (cbrt (* (+ (- d2 d3) (- d4 d1)) d1)) (cbrt (* (+ (- d2 d3) (- d4 d1)) d1)))
* [exit]simplify:  Simplified to (* (cbrt (* (+ (- d2 d3) (- d4 d1)) d1)) (cbrt (* (+ (- d2 d3) (- d4 d1)) d1)))
* [enter]simplify:  Simplifying (cbrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (82 enodes)
* * [misc]simplify:  iters left: 3 (241 enodes)
* [exit]simplify:  Simplified to (cbrt (* (+ (- d4 d1) (- d2 d3)) d1))
* [exit]simplify:  Simplified to (cbrt (* (+ (- d4 d1) (- d2 d3)) d1))
* * * * [misc]progress:  [ 38 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (cbrt (* (* (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))) (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (* (* (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))) (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (29 enodes)
* * [misc]simplify:  iters left: 4 (110 enodes)
* [exit]simplify:  Simplified to (pow (* d1 (+ (- d2 d3) (- d4 d1))) 3)
* [exit]simplify:  Simplified to (pow (* d1 (+ (- d2 d3) (- d4 d1))) 3)
* * * * [misc]progress:  [ 39 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (sqrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))) (sqrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (sqrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (82 enodes)
* * [misc]simplify:  iters left: 3 (241 enodes)
* [exit]simplify:  Simplified to (sqrt (* (+ (- d4 d1) (- d2 d3)) d1))
* [exit]simplify:  Simplified to (sqrt (* (+ (- d4 d1) (- d2 d3)) d1))
* [enter]simplify:  Simplifying (sqrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (82 enodes)
* * [misc]simplify:  iters left: 3 (241 enodes)
* [exit]simplify:  Simplified to (sqrt (* (+ (- d4 d1) (- d2 d3)) d1))
* [exit]simplify:  Simplified to (sqrt (* (+ (- d4 d1) (- d2 d3)) d1))
* * * * [misc]progress:  [ 40 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (- (pow (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) 3) (pow (* d1 d1) 3)) (+ (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (+ (* (* d1 d1) (* d1 d1)) (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))))))>
* [enter]simplify:  Simplifying (- (pow (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) 3) (pow (* d1 d1) 3))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (35 enodes)
* * [misc]simplify:  iters left: 4 (103 enodes)
* * [misc]simplify:  iters left: 3 (383 enodes)
* [exit]simplify:  Simplified to (fma (fma (- d2 d3) d1 (* d1 d4)) (* (fma (- d2 d3) d1 (* d1 d4)) (fma (- d2 d3) d1 (* d1 d4))) (* (- (* d1 d1)) (* (* d1 d1) (* d1 d1))))
* [exit]simplify:  Simplified to (fma (fma (- d2 d3) d1 (* d1 d4)) (* (fma (- d2 d3) d1 (* d1 d4)) (fma (- d2 d3) d1 (* d1 d4))) (* (- (* d1 d1)) (* (* d1 d1) (* d1 d1))))
* [enter]simplify:  Simplifying (+ (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (+ (* (* d1 d1) (* d1 d1)) (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (47 enodes)
* * [misc]simplify:  iters left: 4 (163 enodes)
* [exit]simplify:  Simplified to (fma (fma (- d2 d3) d1 (* d1 d4)) (fma (- d2 d3) d1 (* d1 d4)) (fma (fma (- d2 d3) d1 (* d1 d4)) (* d1 d1) (* (* d1 d1) (* d1 d1))))
* [exit]simplify:  Simplified to (fma (fma (- d2 d3) d1 (* d1 d4)) (fma (- d2 d3) d1 (* d1 d4)) (fma (fma (- d2 d3) d1 (* d1 d4)) (* d1 d1) (* (* d1 d1) (* d1 d1))))
* * * * [misc]progress:  [ 41 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (- (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 42 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* 1 (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))))>
* * * * [misc]progress:  [ 43 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (- (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (* (* d1 d1) (* d1 d1))) (+ (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (* (* d1 d1) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (40 enodes)
* * [misc]simplify:  iters left: 4 (140 enodes)
* [exit]simplify:  Simplified to (fma (fma d1 (- d2 d3) (* d1 d4)) (fma d1 (- d2 d3) (* d1 d4)) (* (pow d1 3) (- d1)))
* [exit]simplify:  Simplified to (fma (fma d1 (- d2 d3) (* d1 d4)) (fma d1 (- d2 d3) (* d1 d4)) (* (pow d1 3) (- d1)))
* [enter]simplify:  Simplifying (+ (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (77 enodes)
* * [misc]simplify:  iters left: 3 (209 enodes)
* * [misc]simplify:  iters left: 2 (476 enodes)
* [exit]simplify:  Simplified to (* (+ (- d1 d3) (+ d4 d2)) d1)
* [exit]simplify:  Simplified to (* (+ (- d1 d3) (+ d4 d2)) d1)
* * * * [misc]progress:  [ 44 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (+ (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) d1) (- (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) d1)))>
* [enter]simplify:  Simplifying (+ (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) d1)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (55 enodes)
* * [misc]simplify:  iters left: 3 (99 enodes)
* * [misc]simplify:  iters left: 2 (161 enodes)
* * [misc]simplify:  iters left: 1 (212 enodes)
* [exit]simplify:  Simplified to (+ (sqrt (fma (- d2 d3) d1 (* d1 d4))) d1)
* [exit]simplify:  Simplified to (+ (sqrt (fma (- d2 d3) d1 (* d1 d4))) d1)
* [enter]simplify:  Simplifying (- (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) d1)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (56 enodes)
* * [misc]simplify:  iters left: 3 (100 enodes)
* * [misc]simplify:  iters left: 2 (162 enodes)
* * [misc]simplify:  iters left: 1 (217 enodes)
* [exit]simplify:  Simplified to (- (sqrt (fma (- d2 d3) d1 (* d1 d4))) d1)
* [exit]simplify:  Simplified to (- (sqrt (fma (- d2 d3) d1 (* d1 d4))) d1)
* * * * [misc]progress:  [ 45 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (- (* d1 d2) (* d1 d3)) (- (* d4 d1) (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d4 d1) (* d1 d1))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (18 enodes)
* * [misc]simplify:  iters left: 1 (22 enodes)
* [exit]simplify:  Simplified to (* (- d4 d1) d1)
* [exit]simplify:  Simplified to (* (- d4 d1) d1)
* * * * [misc]progress:  [ 46 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* d1 d2) (+ (- (* d1 d3) (* d4 d1)) (* d1 d1))))>
* [enter]simplify:  Simplifying (+ (- (* d1 d3) (* d4 d1)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (42 enodes)
* * [misc]simplify:  iters left: 3 (86 enodes)
* * [misc]simplify:  iters left: 2 (151 enodes)
* * [misc]simplify:  iters left: 1 (196 enodes)
* [exit]simplify:  Simplified to (fma (- d1 d4) d1 (* d3 d1))
* [exit]simplify:  Simplified to (fma (- d1 d4) d1 (* d3 d1))
* * * * [misc]progress:  [ 47 / 53 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (- (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 48 / 53 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- 0 (* d1 d1)))>
* [enter]simplify:  Simplifying (- 0 (* d1 d1))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (17 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 49 / 53 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (79 enodes)
* * [misc]simplify:  iters left: 3 (209 enodes)
* * [misc]simplify:  iters left: 2 (445 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (- d4 d3) (- d2 d1)))
* * * * [misc]progress:  [ 50 / 53 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (79 enodes)
* * [misc]simplify:  iters left: 3 (209 enodes)
* * [misc]simplify:  iters left: 2 (445 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (- d4 d3) (- d2 d1)))
* * * * [misc]progress:  [ 51 / 53 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (* d1 d2) (+ (* d1 d3) (pow d1 2))))>
* [enter]simplify:  Simplifying (- (* d1 d2) (+ (* d1 d3) (pow d1 2)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (76 enodes)
* * [misc]simplify:  iters left: 2 (140 enodes)
* * [misc]simplify:  iters left: 1 (203 enodes)
* [exit]simplify:  Simplified to (fma (- d1) (+ d1 d3) (* d2 d1))
* * * * [misc]progress:  [ 52 / 53 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)))>
* [enter]simplify:  Simplifying (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (49 enodes)
* * [misc]simplify:  iters left: 3 (85 enodes)
* * [misc]simplify:  iters left: 2 (124 enodes)
* * [misc]simplify:  iters left: 1 (150 enodes)
* [exit]simplify:  Simplified to (fma (- d2 d3) d1 (* d4 d1))
* * * * [misc]progress:  [ 53 / 53 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)))>
* [enter]simplify:  Simplifying (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (49 enodes)
* * [misc]simplify:  iters left: 3 (85 enodes)
* * [misc]simplify:  iters left: 2 (124 enodes)
* * [misc]simplify:  iters left: 1 (150 enodes)
* [exit]simplify:  Simplified to (fma (- d2 d3) d1 (* d4 d1))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (d1 d2 d3 d4) (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2 1)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (fma d1 d2 (- (* d3 d1))) in d4
* [misc]taylor:  Rewrote expression to (+ (* d1 d2) (- (* d3 d1)))
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (- (* d3 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (* d3 d1) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) in d3
* [misc]taylor:  Taking taylor expansion of (fma d1 d2 (- (* d3 d1))) in d3
* [misc]taylor:  Rewrote expression to (+ (* d1 d2) (- (* d3 d1)))
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (- (* d3 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (* d3 d1) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (fma d1 d2 (- (* d3 d1))) in d2
* [misc]taylor:  Rewrote expression to (+ (* d1 d2) (- (* d3 d1)))
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (* d3 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (* d3 d1) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (fma d1 d2 (- (* d3 d1))) in d1
* [misc]taylor:  Rewrote expression to (+ (* d1 d2) (- (* d3 d1)))
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (- (* d3 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (* d3 d1) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (fma d1 d2 (- (* d3 d1))) in d1
* [misc]taylor:  Rewrote expression to (+ (* d1 d2) (- (* d3 d1)))
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (- (* d3 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (* d3 d1) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (* 0 d2) into 0
* [misc]backup-simplify:  Simplify (* d3 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (* 0 d4) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d2)) into d2
* [misc]backup-simplify:  Simplify (+ (* d3 1) (* 0 0)) into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d4)) into d4
* [misc]backup-simplify:  Simplify (+ (- d2 d3) d4) into (- (+ d4 d2) d3)
* [misc]taylor:  Taking taylor expansion of (- (+ d4 d2) d3) in d2
* [misc]taylor:  Taking taylor expansion of (+ d4 d2) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (+ d4 0) into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d4 (- d3)) into (- d4 d3)
* [misc]taylor:  Taking taylor expansion of (- d4 d3) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ d4 0) into d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d2))) into 0
* [misc]backup-simplify:  Simplify (+ (* d3 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d4))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]approximate:  Taking taylor expansion of (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) in d4
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) in d4
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (/ 1 d2)) (- (* (/ 1 d3) (/ 1 d1))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d3) (/ 1 d1))) in d4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d3) (/ 1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) in d3
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) in d3
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (/ 1 d2)) (- (* (/ 1 d3) (/ 1 d1))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d3) (/ 1 d1))) in d3
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d3) (/ 1 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) in d2
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) in d2
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (/ 1 d2)) (- (* (/ 1 d3) (/ 1 d1))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d3) (/ 1 d1))) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d3) (/ 1 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (/ 1 d2)) (- (* (/ 1 d3) (/ 1 d1))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d3) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d3) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (/ 1 d2)) (- (* (/ 1 d3) (/ 1 d1))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d3) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d3) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d2)) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (* (/ 1 d3) 1) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d2))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d3) 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d4))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)) (* 0 (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d3) 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)) (* 0 (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 d2)) (/ 1 (/ 1 d1)))))) (+ (* -1 (* 1 (* (/ 1 (/ 1 d3)) (* 1 (/ 1 (/ 1 d1)))))) (* 1 (* (/ 1 (/ 1 d4)) (* 1 (* 1 (/ 1 (/ 1 d1)))))))) into (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* [misc]approximate:  Taking taylor expansion of (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d4
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) in d4
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (/ 1 (- d2))) (- (* (/ 1 (- d3)) (/ 1 (- d1)))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d4
* [misc]taylor:  Taking taylor expansion of (- d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d3)) (/ 1 (- d1)))) in d4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d3)) (/ 1 (- d1))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d3
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) in d3
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (/ 1 (- d2))) (- (* (/ 1 (- d3)) (/ 1 (- d1)))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d3
* [misc]taylor:  Taking taylor expansion of (- d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d3)) (/ 1 (- d1)))) in d3
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d3)) (/ 1 (- d1))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d3
* [misc]taylor:  Taking taylor expansion of (- d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d2
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) in d2
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (/ 1 (- d2))) (- (* (/ 1 (- d3)) (/ 1 (- d1)))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d3)) (/ 1 (- d1)))) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d3)) (/ 1 (- d1))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d2
* [misc]taylor:  Taking taylor expansion of (- d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d2
* [misc]taylor:  Taking taylor expansion of (- d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (/ 1 (- d2))) (- (* (/ 1 (- d3)) (/ 1 (- d1)))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d3)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d3)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (/ 1 (- d2))) (- (* (/ 1 (- d3)) (/ 1 (- d1)))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d3)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d3)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d2)) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (* (/ -1 d3) -1) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d2))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d3) 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d4))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 d2)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))) (* 0 (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d3) 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))) (* 0 (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 (- d2))) (/ 1 (/ 1 (- d1))))))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- d3))) (* 1 (/ 1 (/ 1 (- d1))))))) (* 1 (* (/ 1 (/ 1 (- d4))) (* 1 (* 1 (/ 1 (/ 1 (- d1))))))))) into (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (fma d1 d2 (- (* d3 d1))) in d4
* [misc]taylor:  Rewrote expression to (+ (* d1 d2) (- (* d3 d1)))
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (- (* d3 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (* d3 d1) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) in d3
* [misc]taylor:  Taking taylor expansion of (fma d1 d2 (- (* d3 d1))) in d3
* [misc]taylor:  Rewrote expression to (+ (* d1 d2) (- (* d3 d1)))
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (- (* d3 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (* d3 d1) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (* d1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (fma d1 d2 (- (* d3 d1))) in d2
* [misc]taylor:  Rewrote expression to (+ (* d1 d2) (- (* d3 d1)))
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (* d3 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (* d3 d1) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (* d1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (fma d1 d2 (- (* d3 d1))) in d1
* [misc]taylor:  Rewrote expression to (+ (* d1 d2) (- (* d3 d1)))
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (- (* d3 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (* d3 d1) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (* d1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (fma d1 d2 (- (* d3 d1))) in d1
* [misc]taylor:  Rewrote expression to (+ (* d1 d2) (- (* d3 d1)))
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (- (* d3 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (* d3 d1) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (* d1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 d2) into 0
* [misc]backup-simplify:  Simplify (* d3 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (* 0 d4) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d2)) into d2
* [misc]backup-simplify:  Simplify (+ (* d3 1) (* 0 0)) into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d4)) into d4
* [misc]backup-simplify:  Simplify (+ (- d2 d3) d4) into (- (+ d4 d2) d3)
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (- (+ d4 d2) d3) 0) into (- (+ d2 d4) d3)
* [misc]taylor:  Taking taylor expansion of (- (+ d2 d4) d3) in d2
* [misc]taylor:  Taking taylor expansion of (+ d2 d4) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (+ 0 d4) into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d4 (- d3)) into (- d4 d3)
* [misc]taylor:  Taking taylor expansion of (- d4 d3) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ d4 0) into d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d2))) into 0
* [misc]backup-simplify:  Simplify (+ (* d3 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d4))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ (* -1 (* 1 (* d3 (* 1 d1)))) (+ (* 1 (* 1 (* 1 (* d2 d1)))) (* -1 (pow (* 1 (* 1 (* 1 d1))) 2)))) into (- (* d1 d2) (+ (* d1 d3) (pow d1 2)))
* [misc]approximate:  Taking taylor expansion of (- (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) (* (/ 1 d1) (/ 1 d1))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (- (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) (* (/ 1 d1) (/ 1 d1))) in d4
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) in d4
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) in d4
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (/ 1 d2)) (- (* (/ 1 d3) (/ 1 d1))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d3) (/ 1 d1))) in d4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d3) (/ 1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) (* (/ 1 d1) (/ 1 d1))) in d3
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) in d3
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) in d3
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (/ 1 d2)) (- (* (/ 1 d3) (/ 1 d1))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d3) (/ 1 d1))) in d3
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d3) (/ 1 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) (* (/ 1 d1) (/ 1 d1))) in d2
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) in d2
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) in d2
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (/ 1 d2)) (- (* (/ 1 d3) (/ 1 d1))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d3) (/ 1 d1))) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d3) (/ 1 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) (* (/ 1 d1) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (/ 1 d2)) (- (* (/ 1 d3) (/ 1 d1))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d3) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d3) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) (* (/ 1 d1) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) (* (/ 1 d1) (/ 1 d4))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (/ 1 d2) (- (* (/ 1 d3) (/ 1 d1)))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (/ 1 d2)) (- (* (/ 1 d3) (/ 1 d1))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d3) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d3) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d2)) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (* (/ 1 d3) 1) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) 0) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d2))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d3) 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d4))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)) (* 0 (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d3) 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)) (* 0 (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 d2)) (/ 1 (/ 1 d1)))))) (+ (* -1 (* 1 (* (/ 1 (/ 1 d3)) (* 1 (/ 1 (/ 1 d1)))))) (* 1 (* (/ 1 (/ 1 d4)) (* 1 (* 1 (/ 1 (/ 1 d1)))))))) into (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* [misc]approximate:  Taking taylor expansion of (- (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (- (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in d4
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d4
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) in d4
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (/ 1 (- d2))) (- (* (/ 1 (- d3)) (/ 1 (- d1)))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d4
* [misc]taylor:  Taking taylor expansion of (- d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d3)) (/ 1 (- d1)))) in d4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d3)) (/ 1 (- d1))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d1))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in d3
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d3
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) in d3
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (/ 1 (- d2))) (- (* (/ 1 (- d3)) (/ 1 (- d1)))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d3
* [misc]taylor:  Taking taylor expansion of (- d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d3)) (/ 1 (- d1)))) in d3
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d3)) (/ 1 (- d1))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d3
* [misc]taylor:  Taking taylor expansion of (- d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d1))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d2
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) in d2
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (/ 1 (- d2))) (- (* (/ 1 (- d3)) (/ 1 (- d1)))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d3)) (/ 1 (- d1)))) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d3)) (/ 1 (- d1))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d2
* [misc]taylor:  Taking taylor expansion of (- d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d2
* [misc]taylor:  Taking taylor expansion of (- d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d1))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (/ 1 (- d2))) (- (* (/ 1 (- d3)) (/ 1 (- d1)))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d3)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d3)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (/ 1 (- d2)) (- (* (/ 1 (- d3)) (/ 1 (- d1))))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (/ 1 (- d2))) (- (* (/ 1 (- d3)) (/ 1 (- d1)))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d3)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d3)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d2)) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (* (/ -1 d3) -1) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) 0) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d2))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d3) 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d4))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 d2)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))) (* 0 (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d3) 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))) (* 0 (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 (- d2))) (/ 1 (/ 1 (- d1))))))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- d3))) (* 1 (/ 1 (/ 1 (- d1))))))) (* 1 (* (/ 1 (/ 1 (- d4))) (* 1 (* 1 (/ 1 (/ 1 (- d1))))))))) into (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (expm1 (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (61 enodes)
* * [misc]simplify:  iters left: 2 (115 enodes)
* * [misc]simplify:  iters left: 1 (157 enodes)
* [exit]simplify:  Simplified to (expm1 (fma d1 (- d4 d3) (* d2 d1)))
* [exit]simplify:  Simplified to (expm1 (fma d1 (- d4 d3) (* d2 d1)))
* * * * [misc]progress:  [ 2 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (expm1 (log1p (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (log1p (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (61 enodes)
* * [misc]simplify:  iters left: 2 (115 enodes)
* * [misc]simplify:  iters left: 1 (157 enodes)
* [exit]simplify:  Simplified to (log1p (fma d1 (- d4 d3) (* d2 d1)))
* [exit]simplify:  Simplified to (log1p (fma d1 (- d4 d3) (* d2 d1)))
* * * * [misc]progress:  [ 3 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (fma (* (cbrt (fma d1 d2 (- (* d3 d1)))) (cbrt (fma d1 d2 (- (* d3 d1))))) (cbrt (fma d1 d2 (- (* d3 d1)))) (* d1 d4)) (* d1 d1)))>
* * * * [misc]progress:  [ 4 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (fma (sqrt (fma d1 d2 (- (* d3 d1)))) (sqrt (fma d1 d2 (- (* d3 d1)))) (* d1 d4)) (* d1 d1)))>
* * * * [misc]progress:  [ 5 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (fma 1 (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))>
* * * * [misc]progress:  [ 6 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log (* (exp (fma d1 d2 (- (* d3 d1)))) (exp (* d1 d4)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (exp (fma d1 d2 (- (* d3 d1)))) (exp (* d1 d4)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (36 enodes)
* * [misc]simplify:  iters left: 3 (85 enodes)
* * [misc]simplify:  iters left: 2 (164 enodes)
* * [misc]simplify:  iters left: 1 (251 enodes)
* [exit]simplify:  Simplified to (exp (fma d1 (- d4 d3) (* d2 d1)))
* [exit]simplify:  Simplified to (exp (fma d1 (- d4 d3) (* d2 d1)))
* * * * [misc]progress:  [ 7 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (pow (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) 1) (* d1 d1)))>
* * * * [misc]progress:  [ 8 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (exp (log (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (log (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (61 enodes)
* * [misc]simplify:  iters left: 2 (115 enodes)
* * [misc]simplify:  iters left: 1 (172 enodes)
* [exit]simplify:  Simplified to (log (fma d1 (- d4 d3) (* d2 d1)))
* [exit]simplify:  Simplified to (log (fma d1 (- d4 d3) (* d2 d1)))
* * * * [misc]progress:  [ 9 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log (exp (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (exp (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (94 enodes)
* * [misc]simplify:  iters left: 2 (174 enodes)
* * [misc]simplify:  iters left: 1 (247 enodes)
* [exit]simplify:  Simplified to (exp (fma (- d4 d3) d1 (* d2 d1)))
* [exit]simplify:  Simplified to (exp (fma (- d4 d3) d1 (* d2 d1)))
* * * * [misc]progress:  [ 10 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* (* (cbrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (cbrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))) (cbrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (cbrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (cbrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (62 enodes)
* * [misc]simplify:  iters left: 2 (116 enodes)
* * [misc]simplify:  iters left: 1 (158 enodes)
* [exit]simplify:  Simplified to (* (cbrt (fma d1 (- d4 d3) (* d2 d1))) (cbrt (fma d1 (- d4 d3) (* d2 d1))))
* [exit]simplify:  Simplified to (* (cbrt (fma d1 (- d4 d3) (* d2 d1))) (cbrt (fma d1 (- d4 d3) (* d2 d1))))
* [enter]simplify:  Simplifying (cbrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (61 enodes)
* * [misc]simplify:  iters left: 2 (115 enodes)
* * [misc]simplify:  iters left: 1 (157 enodes)
* [exit]simplify:  Simplified to (cbrt (fma d1 (- d4 d3) (* d2 d1)))
* [exit]simplify:  Simplified to (cbrt (fma d1 (- d4 d3) (* d2 d1)))
* * * * [misc]progress:  [ 11 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (cbrt (* (* (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (* (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (33 enodes)
* * [misc]simplify:  iters left: 4 (130 enodes)
* [exit]simplify:  Simplified to (pow (fma d4 d1 (* d1 (- d2 d3))) 3)
* [exit]simplify:  Simplified to (pow (fma d4 d1 (* d1 (- d2 d3))) 3)
* * * * [misc]progress:  [ 12 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* (sqrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (sqrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (sqrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (61 enodes)
* * [misc]simplify:  iters left: 2 (115 enodes)
* * [misc]simplify:  iters left: 1 (157 enodes)
* [exit]simplify:  Simplified to (sqrt (fma d1 (- d4 d3) (* d2 d1)))
* [exit]simplify:  Simplified to (sqrt (fma d1 (- d4 d3) (* d2 d1)))
* [enter]simplify:  Simplifying (sqrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (61 enodes)
* * [misc]simplify:  iters left: 2 (115 enodes)
* * [misc]simplify:  iters left: 1 (157 enodes)
* [exit]simplify:  Simplified to (sqrt (fma d1 (- d4 d3) (* d2 d1)))
* [exit]simplify:  Simplified to (sqrt (fma d1 (- d4 d3) (* d2 d1)))
* * * * [misc]progress:  [ 13 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (/ (+ (pow (fma d1 d2 (- (* d3 d1))) 3) (pow (* d1 d4) 3)) (+ (* (fma d1 d2 (- (* d3 d1))) (fma d1 d2 (- (* d3 d1)))) (- (* (* d1 d4) (* d1 d4)) (* (fma d1 d2 (- (* d3 d1))) (* d1 d4))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (+ (pow (fma d1 d2 (- (* d3 d1))) 3) (pow (* d1 d4) 3))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (30 enodes)
* * [misc]simplify:  iters left: 4 (75 enodes)
* * [misc]simplify:  iters left: 3 (236 enodes)
* [exit]simplify:  Simplified to (fma (* d1 (- d2 d3)) (* (* d1 (- d2 d3)) (* d1 (- d2 d3))) (pow (* d1 d4) 3))
* [exit]simplify:  Simplified to (fma (* d1 (- d2 d3)) (* (* d1 (- d2 d3)) (* d1 (- d2 d3))) (pow (* d1 d4) 3))
* [enter]simplify:  Simplifying (+ (* (fma d1 d2 (- (* d3 d1))) (fma d1 d2 (- (* d3 d1)))) (- (* (* d1 d4) (* d1 d4)) (* (fma d1 d2 (- (* d3 d1))) (* d1 d4))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (37 enodes)
* * [misc]simplify:  iters left: 4 (100 enodes)
* * [misc]simplify:  iters left: 3 (352 enodes)
* [exit]simplify:  Simplified to (- (fma (* (- d2 d3) d1) (* (- d2 d3) d1) (* (* d4 d1) (* d4 d1))) (* (* d4 d1) (* (- d2 d3) d1)))
* [exit]simplify:  Simplified to (- (fma (* (- d2 d3) d1) (* (- d2 d3) d1) (* (* d4 d1) (* d4 d1))) (* (* d4 d1) (* (- d2 d3) d1)))
* * * * [misc]progress:  [ 14 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* 1 (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (* d1 d1)))>
* * * * [misc]progress:  [ 15 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (/ (- (* (fma d1 d2 (- (* d3 d1))) (fma d1 d2 (- (* d3 d1)))) (* (* d1 d4) (* d1 d4))) (- (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (* (fma d1 d2 (- (* d3 d1))) (fma d1 d2 (- (* d3 d1)))) (* (* d1 d4) (* d1 d4)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (29 enodes)
* * [misc]simplify:  iters left: 4 (65 enodes)
* * [misc]simplify:  iters left: 3 (231 enodes)
* [exit]simplify:  Simplified to (- (* (* (- d2 d3) d1) (* (- d2 d3) d1)) (* (* d4 d1) (* d4 d1)))
* [exit]simplify:  Simplified to (- (* (* (- d2 d3) d1) (* (- d2 d3) d1)) (* (* d4 d1) (* d4 d1)))
* [enter]simplify:  Simplifying (- (fma d1 d2 (- (* d3 d1))) (* d1 d4))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (34 enodes)
* * [misc]simplify:  iters left: 3 (77 enodes)
* * [misc]simplify:  iters left: 2 (161 enodes)
* * [misc]simplify:  iters left: 1 (250 enodes)
* [exit]simplify:  Simplified to (fma (+ d3 d4) (- d1) (* d2 d1))
* [exit]simplify:  Simplified to (fma (+ d3 d4) (- d1) (* d2 d1))
* * * * [misc]progress:  [ 16 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (* d1 d2) (+ (- (* d3 d1)) (* d1 d4))) (* d1 d1)))>
* [enter]simplify:  Simplifying (+ (- (* d3 d1)) (* d1 d4))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* [exit]simplify:  Simplified to (* (- d4 d3) d1)
* [exit]simplify:  Simplified to (* (- d4 d3) d1)
* * * * [misc]progress:  [ 17 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (* d1 d4) (fma d1 d2 (- (* d3 d1)))) (* d1 d1)))>
* * * * [misc]progress:  [ 18 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (fma (* (cbrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (cbrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))) (cbrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (- (* d1 d1))) (fma (- d1) d1 (* d1 d1))))>
* [enter]simplify:  Simplifying (fma (* (cbrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (cbrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))) (cbrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (- (* d1 d1)))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (76 enodes)
* * [misc]simplify:  iters left: 2 (130 enodes)
* * [misc]simplify:  iters left: 1 (264 enodes)
* [exit]simplify:  Simplified to (* (+ (- d2 d3) (- d4 d1)) d1)
* [exit]simplify:  Simplified to (* (+ (- d2 d3) (- d4 d1)) d1)
* [enter]simplify:  Simplifying (fma (- d1) d1 (* d1 d1))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* * * * [misc]progress:  [ 19 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (fma (sqrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (sqrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (- (* d1 d1))) (fma (- d1) d1 (* d1 d1))))>
* [enter]simplify:  Simplifying (fma (sqrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (sqrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (- (* d1 d1)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (99 enodes)
* * [misc]simplify:  iters left: 2 (272 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (- d4 d1) (- d2 d3)))
* [exit]simplify:  Simplified to (* d1 (+ (- d4 d1) (- d2 d3)))
* [enter]simplify:  Simplifying (fma (- d1) d1 (* d1 d1))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* * * * [misc]progress:  [ 20 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (fma 1 (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (- (* d1 d1))) (fma (- d1) d1 (* d1 d1))))>
* [enter]simplify:  Simplifying (fma 1 (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (- (* d1 d1)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (28 enodes)
* * [misc]simplify:  iters left: 4 (50 enodes)
* * [misc]simplify:  iters left: 3 (138 enodes)
* * [misc]simplify:  iters left: 2 (386 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (- d4 d1) (- d2 d3)))
* [exit]simplify:  Simplified to (* d1 (+ (- d4 d1) (- d2 d3)))
* [enter]simplify:  Simplifying (fma (- d1) d1 (* d1 d1))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* * * * [misc]progress:  [ 21 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log1p (expm1 (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (expm1 (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (52 enodes)
* * [misc]simplify:  iters left: 3 (137 enodes)
* * [misc]simplify:  iters left: 2 (381 enodes)
* [exit]simplify:  Simplified to (expm1 (* d1 (+ (- d2 d1) (- d4 d3))))
* [exit]simplify:  Simplified to (expm1 (* d1 (+ (- d2 d1) (- d4 d3))))
* * * * [misc]progress:  [ 22 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (expm1 (log1p (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (log1p (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (52 enodes)
* * [misc]simplify:  iters left: 3 (137 enodes)
* * [misc]simplify:  iters left: 2 (381 enodes)
* [exit]simplify:  Simplified to (log1p (* d1 (+ (- d2 d1) (- d4 d3))))
* [exit]simplify:  Simplified to (log1p (* d1 (+ (- d2 d1) (- d4 d3))))
* * * * [misc]progress:  [ 23 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (fma (* (cbrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (cbrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)))) (cbrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (- (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 24 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (fma (sqrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (sqrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (- (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 25 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (fma 1 (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (- (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 26 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log (/ (* (exp (fma d1 d2 (- (* d3 d1)))) (exp (* d1 d4))) (exp (* d1 d1)))))>
* [enter]simplify:  Simplifying (/ (* (exp (fma d1 d2 (- (* d3 d1)))) (exp (* d1 d4))) (exp (* d1 d1)))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (30 enodes)
* * [misc]simplify:  iters left: 4 (48 enodes)
* * [misc]simplify:  iters left: 3 (120 enodes)
* * [misc]simplify:  iters left: 2 (326 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (- (- d2 d3) (- d1 d4)))
* [exit]simplify:  Simplified to (pow (exp d1) (- (- d2 d3) (- d1 d4)))
* * * * [misc]progress:  [ 27 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log (/ (exp (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (exp (* d1 d1)))))>
* [enter]simplify:  Simplifying (/ (exp (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (exp (* d1 d1)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (29 enodes)
* * [misc]simplify:  iters left: 4 (55 enodes)
* * [misc]simplify:  iters left: 3 (152 enodes)
* * [misc]simplify:  iters left: 2 (430 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (+ (- d4 d1) (- d2 d3)))
* [exit]simplify:  Simplified to (pow (exp d1) (+ (- d4 d1) (- d2 d3)))
* * * * [misc]progress:  [ 28 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (pow (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)) 1))>
* * * * [misc]progress:  [ 29 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (exp (log (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (log (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (52 enodes)
* * [misc]simplify:  iters left: 3 (137 enodes)
* * [misc]simplify:  iters left: 2 (381 enodes)
* [exit]simplify:  Simplified to (log (* d1 (+ (- d2 d1) (- d4 d3))))
* [exit]simplify:  Simplified to (log (* d1 (+ (- d2 d1) (- d4 d3))))
* * * * [misc]progress:  [ 30 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log (exp (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (exp (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (28 enodes)
* * [misc]simplify:  iters left: 4 (65 enodes)
* * [misc]simplify:  iters left: 3 (174 enodes)
* [exit]simplify:  Simplified to (* (pow (exp d1) (- d4 d1)) (pow (exp d1) (- d2 d3)))
* [exit]simplify:  Simplified to (* (pow (exp d1) (- d4 d1)) (pow (exp d1) (- d2 d3)))
* * * * [misc]progress:  [ 31 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (* (cbrt (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1))) (cbrt (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))) (cbrt (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (* (cbrt (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1))) (cbrt (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (137 enodes)
* * [misc]simplify:  iters left: 2 (381 enodes)
* [exit]simplify:  Simplified to (* (cbrt (* d1 (+ (- d4 d3) (- d2 d1)))) (cbrt (* d1 (+ (- d4 d3) (- d2 d1)))))
* [exit]simplify:  Simplified to (* (cbrt (* d1 (+ (- d4 d3) (- d2 d1)))) (cbrt (* d1 (+ (- d4 d3) (- d2 d1)))))
* [enter]simplify:  Simplifying (cbrt (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (52 enodes)
* * [misc]simplify:  iters left: 3 (137 enodes)
* * [misc]simplify:  iters left: 2 (381 enodes)
* [exit]simplify:  Simplified to (cbrt (* d1 (+ (- d2 d1) (- d4 d3))))
* [exit]simplify:  Simplified to (cbrt (* d1 (+ (- d2 d1) (- d4 d3))))
* * * * [misc]progress:  [ 32 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (cbrt (* (* (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)) (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1))) (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (* (* (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)) (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1))) (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (80 enodes)
* * [misc]simplify:  iters left: 3 (494 enodes)
* [exit]simplify:  Simplified to (pow (* d1 (+ (- d4 d1) (- d2 d3))) 3)
* [exit]simplify:  Simplified to (pow (* d1 (+ (- d4 d1) (- d2 d3))) 3)
* * * * [misc]progress:  [ 33 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (sqrt (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1))) (sqrt (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (sqrt (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (52 enodes)
* * [misc]simplify:  iters left: 3 (137 enodes)
* * [misc]simplify:  iters left: 2 (381 enodes)
* [exit]simplify:  Simplified to (sqrt (* d1 (+ (- d2 d1) (- d4 d3))))
* [exit]simplify:  Simplified to (sqrt (* d1 (+ (- d2 d1) (- d4 d3))))
* [enter]simplify:  Simplifying (sqrt (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (52 enodes)
* * [misc]simplify:  iters left: 3 (137 enodes)
* * [misc]simplify:  iters left: 2 (381 enodes)
* [exit]simplify:  Simplified to (sqrt (* d1 (+ (- d2 d1) (- d4 d3))))
* [exit]simplify:  Simplified to (sqrt (* d1 (+ (- d2 d1) (- d4 d3))))
* * * * [misc]progress:  [ 34 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (- (pow (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) 3) (pow (* d1 d1) 3)) (+ (* (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (+ (* (* d1 d1) (* d1 d1)) (* (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1))))))>
* [enter]simplify:  Simplifying (- (pow (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) 3) (pow (* d1 d1) 3))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (33 enodes)
* * [misc]simplify:  iters left: 4 (80 enodes)
* * [misc]simplify:  iters left: 3 (300 enodes)
* [exit]simplify:  Simplified to (fma (fma d1 (- d2 d3) (* d1 d4)) (* (fma d1 (- d2 d3) (* d1 d4)) (fma d1 (- d2 d3) (* d1 d4))) (* (* (* d1 d1) (* d1 d1)) (- (* d1 d1))))
* [exit]simplify:  Simplified to (fma (fma d1 (- d2 d3) (* d1 d4)) (* (fma d1 (- d2 d3) (* d1 d4)) (fma d1 (- d2 d3) (* d1 d4))) (* (* (* d1 d1) (* d1 d1)) (- (* d1 d1))))
* [enter]simplify:  Simplifying (+ (* (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (+ (* (* d1 d1) (* d1 d1)) (* (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1))))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (45 enodes)
* * [misc]simplify:  iters left: 4 (135 enodes)
* [exit]simplify:  Simplified to (fma (fma d4 d1 (* d1 (- d2 d3))) (* d1 d1) (fma (fma d4 d1 (* d1 (- d2 d3))) (fma d4 d1 (* d1 (- d2 d3))) (* (* d1 d1) (* d1 d1))))
* [exit]simplify:  Simplified to (fma (fma d4 d1 (* d1 (- d2 d3))) (* d1 d1) (fma (fma d4 d1 (* d1 (- d2 d3))) (fma d4 d1 (* d1 (- d2 d3))) (* (* d1 d1) (* d1 d1))))
* * * * [misc]progress:  [ 35 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (- (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 36 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* 1 (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1))))>
* * * * [misc]progress:  [ 37 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (- (* (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (* (* d1 d1) (* d1 d1))) (+ (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) (* (* d1 d1) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (38 enodes)
* * [misc]simplify:  iters left: 4 (110 enodes)
* * [misc]simplify:  iters left: 3 (494 enodes)
* [exit]simplify:  Simplified to (fma (fma d1 (- d2 d3) (* d1 d4)) (fma d1 (- d2 d3) (* d1 d4)) (* (- d1) (pow d1 3)))
* [exit]simplify:  Simplified to (fma (fma d1 (- d2 d3) (* d1 d4)) (fma d1 (- d2 d3) (* d1 d4)) (* (- d1) (pow d1 3)))
* [enter]simplify:  Simplifying (+ (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (47 enodes)
* * [misc]simplify:  iters left: 3 (115 enodes)
* * [misc]simplify:  iters left: 2 (293 enodes)
* [exit]simplify:  Simplified to (* d1 (- (+ d4 d2) (- d3 d1)))
* [exit]simplify:  Simplified to (* d1 (- (+ d4 d2) (- d3 d1)))
* * * * [misc]progress:  [ 38 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (+ (sqrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) d1) (- (sqrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) d1)))>
* [enter]simplify:  Simplifying (+ (sqrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) d1)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (62 enodes)
* * [misc]simplify:  iters left: 2 (116 enodes)
* * [misc]simplify:  iters left: 1 (160 enodes)
* [exit]simplify:  Simplified to (+ (sqrt (fma d1 (- d4 d3) (* d2 d1))) d1)
* [exit]simplify:  Simplified to (+ (sqrt (fma d1 (- d4 d3) (* d2 d1))) d1)
* [enter]simplify:  Simplifying (- (sqrt (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4))) d1)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (33 enodes)
* * [misc]simplify:  iters left: 3 (63 enodes)
* * [misc]simplify:  iters left: 2 (117 enodes)
* * [misc]simplify:  iters left: 1 (159 enodes)
* [exit]simplify:  Simplified to (- (sqrt (fma d1 (- d4 d3) (* d2 d1))) d1)
* [exit]simplify:  Simplified to (- (sqrt (fma d1 (- d4 d3) (* d2 d1))) d1)
* * * * [misc]progress:  [ 39 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (fma d1 d2 (- (* d3 d1))) (- (* d1 d4) (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d4) (* d1 d1))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (18 enodes)
* * [misc]simplify:  iters left: 1 (22 enodes)
* [exit]simplify:  Simplified to (* (- d4 d1) d1)
* [exit]simplify:  Simplified to (* (- d4 d1) d1)
* * * * [misc]progress:  [ 40 / 46 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (- (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 41 / 46 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- 0 (* d1 d1)))>
* [enter]simplify:  Simplifying (- 0 (* d1 d1))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (17 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 42 / 46 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (79 enodes)
* * [misc]simplify:  iters left: 3 (209 enodes)
* * [misc]simplify:  iters left: 2 (445 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (- d4 d3) (- d2 d1)))
* * * * [misc]progress:  [ 43 / 46 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (79 enodes)
* * [misc]simplify:  iters left: 3 (209 enodes)
* * [misc]simplify:  iters left: 2 (445 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (- d4 d3) (- d2 d1)))
* * * * [misc]progress:  [ 44 / 46 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (* d1 d2) (+ (* d1 d3) (pow d1 2))))>
* [enter]simplify:  Simplifying (- (* d1 d2) (+ (* d1 d3) (pow d1 2)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (76 enodes)
* * [misc]simplify:  iters left: 2 (140 enodes)
* * [misc]simplify:  iters left: 1 (203 enodes)
* [exit]simplify:  Simplified to (fma (- d1) (+ d1 d3) (* d2 d1))
* * * * [misc]progress:  [ 45 / 46 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)))>
* [enter]simplify:  Simplifying (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (49 enodes)
* * [misc]simplify:  iters left: 3 (85 enodes)
* * [misc]simplify:  iters left: 2 (124 enodes)
* * [misc]simplify:  iters left: 1 (150 enodes)
* [exit]simplify:  Simplified to (fma (- d2 d3) d1 (* d4 d1))
* * * * [misc]progress:  [ 46 / 46 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)))>
* [enter]simplify:  Simplifying (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (49 enodes)
* * [misc]simplify:  iters left: 3 (85 enodes)
* * [misc]simplify:  iters left: 2 (124 enodes)
* * [misc]simplify:  iters left: 1 (150 enodes)
* [exit]simplify:  Simplified to (fma (- d2 d3) d1 (* d4 d1))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 3 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (d1 d2 d3 d4) (* d1 (+ (- d4 d1) (- d2 d3))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 2)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (* d1 (+ (- d4 d1) (- d2 d3))) in (d1 d4 d2 d3) around 0
* [misc]taylor:  Taking taylor expansion of (* d1 (+ (- d4 d1) (- d2 d3))) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (+ (- d4 d1) (- d2 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d4 d1) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 (+ (- d4 d1) (- d2 d3))) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (+ (- d4 d1) (- d2 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (- d4 d1) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d1 (+ (- d4 d1) (- d2 d3))) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (+ (- d4 d1) (- d2 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4 d1) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d1 (+ (- d4 d1) (- d2 d3))) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (- d4 d1) (- d2 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4 d1) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d1 (+ (- d4 d1) (- d2 d3))) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (- d4 d1) (- d2 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4 d1) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ d4 0) into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]backup-simplify:  Simplify (+ d4 (- d2 d3)) into (- (+ d2 d4) d3)
* [misc]backup-simplify:  Simplify (* 0 (- (+ d2 d4) d3)) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (+ (* 0 -1) (* 1 (- (+ d2 d4) d3))) into (- (+ d4 d2) d3)
* [misc]taylor:  Taking taylor expansion of (- (+ d4 d2) d3) in d4
* [misc]taylor:  Taking taylor expansion of (+ d4 d2) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (+ 0 d2) into d2
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ 0 (- d3)) into (- d3)
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 -1) (* 0 (- (+ d2 d4) d3)))) into (- 1)
* [misc]taylor:  Taking taylor expansion of (- 1) in d4
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* d2 (* 1 d1)))) (+ (* 1 (* 1 (* 1 (* d4 d1)))) (* -1 (pow (* 1 (* 1 (* 1 d1))) 2)))) into (- (+ (* d1 d2) (* d1 d4)) (pow d1 2))
* [misc]approximate:  Taking taylor expansion of (* (/ 1 d1) (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3)))) in (d1 d4 d2 d3) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3)))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3))) in d3
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3)))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3))) in d2
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3)))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3))) in d4
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (* 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d2) (/ 1 d3))) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))) (* 0 -1)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))) (* 0 -1))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) 0) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)) (* 0 (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)) (* 0 (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))) (* 0 -1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 d3))) into (- (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 d4)) (/ 1 (/ 1 d1)))))) (+ (* 1 (* 1 (* (/ 1 (/ 1 d2)) (* 1 (/ 1 (/ 1 d1)))))) (* -1 (* (/ 1 (/ 1 d3)) (* 1 (* 1 (/ 1 (/ 1 d1)))))))) into (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* [misc]approximate:  Taking taylor expansion of (* (/ 1 (- d1)) (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3))))) in (d1 d4 d2 d3) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3))))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d3
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d4)) (/ 1 (- d1))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d3
* [misc]taylor:  Taking taylor expansion of (- d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d3
* [misc]taylor:  Taking taylor expansion of (- d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3))))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d2
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d4)) (/ 1 (- d1))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d2
* [misc]taylor:  Taking taylor expansion of (- d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d2
* [misc]taylor:  Taking taylor expansion of (- d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3))))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d4
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d4)) (/ 1 (- d1))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d4
* [misc]taylor:  Taking taylor expansion of (- d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3))))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d4)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3))))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d4)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* -1 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ -1 d4) 0) into (- (/ 1 d4))
* [misc]backup-simplify:  Simplify (- (/ -1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ (/ -1 d2) (/ 1 d3)) into (- (/ 1 d3) (/ 1 d2))
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d4)) (- (/ 1 d3) (/ 1 d2))) into (- (/ 1 d3) (+ (/ 1 d2) (/ 1 d4)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 (- (/ 1 d3) (+ (/ 1 d2) (/ 1 d4)))) (* 0 1)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 (- (/ 1 d3) (+ (/ 1 d2) (/ 1 d4)))) (* 0 1))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) 0) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))) (* 0 (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))) (* 0 (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 (- (/ 1 d3) (+ (/ 1 d2) (/ 1 d4)))) (* 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 d3))) into (- (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 (- d4))) (/ 1 (/ 1 (- d1))))))) (+ (* 1 (* 1 (* (/ 1 (/ 1 (- d2))) (* 1 (/ 1 (/ 1 (- d1))))))) (* -1 (* (/ 1 (/ 1 (- d3))) (* 1 (* 1 (/ 1 (/ 1 (- d1))))))))) into (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2 2)
* [misc]approximate:  Taking taylor expansion of (+ (- d4 d1) (- d2 d3)) in (d4 d1 d2 d3) around 0
* [misc]taylor:  Taking taylor expansion of (+ (- d4 d1) (- d2 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d4 d1) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (- d4 d1) (- d2 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (- d4 d1) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (+ (- d4 d1) (- d2 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4 d1) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (+ (- d4 d1) (- d2 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4 d1) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (+ (- d4 d1) (- d2 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4 d1) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (+ 0 (- d1)) into (- d1)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]backup-simplify:  Simplify (+ (- d1) (- d2 d3)) into (- d2 (+ d1 d3))
* [misc]taylor:  Taking taylor expansion of (- d2 (+ d1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (+ d1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (+ 0 d3) into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ 0 (- d3)) into (- d3)
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* d2 (* 1 1)))) (+ (* -1 (* 1 (* 1 (* d1 1)))) (* 1 (* 1 (* 1 (* 1 d4)))))) into (- (+ d4 d2) d1)
* [misc]approximate:  Taking taylor expansion of (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3))) in (d4 d1 d2 d3) around 0
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3))) in d3
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3))) in d2
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3))) in d4
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 d4) (/ 1 d1)) (- (/ 1 d2) (/ 1 d3))) in d4
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 d1)) into (- (/ 1 d1))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 d1))) into (- (/ 1 d1))
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d1)) (- (/ 1 d2) (/ 1 d3))) into (- (/ 1 d2) (+ (/ 1 d1) (/ 1 d3)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (+ (/ 1 d1) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d1) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d1) (/ 0 d1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d1) (/ 0 d1)) (* 0 (/ 0 d1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)) (* 0 (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 d3))) into (- (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ (* -1 (* 1 (* 1 (* (/ 1 (/ 1 d1)) 1)))) (+ (* 1 (* 1 (* (/ 1 (/ 1 d2)) (* 1 1)))) (* -1 (* (/ 1 (/ 1 d3)) (* 1 (* 1 1)))))) into (- d2 (+ d1 d3))
* [misc]approximate:  Taking taylor expansion of (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3)))) in (d4 d1 d2 d3) around 0
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d3
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d4)) (/ 1 (- d1))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d3
* [misc]taylor:  Taking taylor expansion of (- d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d3
* [misc]taylor:  Taking taylor expansion of (- d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d2
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d4)) (/ 1 (- d1))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d2
* [misc]taylor:  Taking taylor expansion of (- d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d2
* [misc]taylor:  Taking taylor expansion of (- d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d4)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d4
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d4)) (/ 1 (- d1))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d4
* [misc]taylor:  Taking taylor expansion of (- d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (+ (- (/ 1 (- d4)) (/ 1 (- d1))) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d4
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d4)) (/ 1 (- d1))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d4
* [misc]taylor:  Taking taylor expansion of (- d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ -1 d1)) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d1)) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (- (/ -1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ (/ -1 d2) (/ 1 d3)) into (- (/ 1 d3) (/ 1 d2))
* [misc]backup-simplify:  Simplify (+ (/ 1 d1) (- (/ 1 d3) (/ 1 d2))) into (- (+ (/ 1 d1) (/ 1 d3)) (/ 1 d2))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d1) (/ 1 d3)) (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d1) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d1) (/ 0 (- d1))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d2)) into (- (/ 1 d2))
* [misc]backup-simplify:  Simplify (+ (/ 1 d3) (- (/ 1 d2))) into (- (/ 1 d3) (/ 1 d2))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d3) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d1) (/ 0 (- d1))) (* 0 (/ 0 (- d1))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))) (* 0 (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d3) 0) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 (- d1))) 1)))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- d2))) (* 1 1)))) (* 1 (* (/ 1 (/ 1 (- d3))) (* 1 (* 1 1)))))) into (- d2 (+ d1 d3))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log1p (expm1 (* d1 (+ (- d4 d1) (- d2 d3))))))>
* [enter]simplify:  Simplifying (expm1 (* d1 (+ (- d4 d1) (- d2 d3))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (64 enodes)
* * [misc]simplify:  iters left: 3 (156 enodes)
* * [misc]simplify:  iters left: 2 (363 enodes)
* [exit]simplify:  Simplified to (expm1 (* d1 (+ (- d2 d1) (- d4 d3))))
* [exit]simplify:  Simplified to (expm1 (* d1 (+ (- d2 d1) (- d4 d3))))
* * * * [misc]progress:  [ 2 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (expm1 (log1p (* d1 (+ (- d4 d1) (- d2 d3))))))>
* [enter]simplify:  Simplifying (log1p (* d1 (+ (- d4 d1) (- d2 d3))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (64 enodes)
* * [misc]simplify:  iters left: 3 (156 enodes)
* * [misc]simplify:  iters left: 2 (363 enodes)
* [exit]simplify:  Simplified to (log1p (* d1 (+ (- d2 d1) (- d4 d3))))
* [exit]simplify:  Simplified to (log1p (* d1 (+ (- d2 d1) (- d4 d3))))
* * * * [misc]progress:  [ 3 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (pow (* d1 (+ (- d4 d1) (- d2 d3))) 1))>
* * * * [misc]progress:  [ 4 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (exp (log (* d1 (+ (- d4 d1) (- d2 d3))))))>
* [enter]simplify:  Simplifying (log (* d1 (+ (- d4 d1) (- d2 d3))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (28 enodes)
* * [misc]simplify:  iters left: 4 (68 enodes)
* * [misc]simplify:  iters left: 3 (159 enodes)
* * [misc]simplify:  iters left: 2 (363 enodes)
* [exit]simplify:  Simplified to (log (* d1 (- (- d4 d3) (- d1 d2))))
* [exit]simplify:  Simplified to (log (* d1 (- (- d4 d3) (- d1 d2))))
* * * * [misc]progress:  [ 5 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log (exp (* d1 (+ (- d4 d1) (- d2 d3))))))>
* [enter]simplify:  Simplifying (exp (* d1 (+ (- d4 d1) (- d2 d3))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (72 enodes)
* * [misc]simplify:  iters left: 3 (191 enodes)
* * [misc]simplify:  iters left: 2 (489 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (- (- d4 d3) (- d1 d2)))
* [exit]simplify:  Simplified to (pow (exp d1) (- (- d4 d3) (- d1 d2)))
* * * * [misc]progress:  [ 6 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (* (cbrt (* d1 (+ (- d4 d1) (- d2 d3)))) (cbrt (* d1 (+ (- d4 d1) (- d2 d3))))) (cbrt (* d1 (+ (- d4 d1) (- d2 d3))))))>
* [enter]simplify:  Simplifying (* (cbrt (* d1 (+ (- d4 d1) (- d2 d3)))) (cbrt (* d1 (+ (- d4 d1) (- d2 d3)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (65 enodes)
* * [misc]simplify:  iters left: 3 (156 enodes)
* * [misc]simplify:  iters left: 2 (358 enodes)
* [exit]simplify:  Simplified to (* (cbrt (* d1 (+ (- d4 d3) (- d2 d1)))) (cbrt (* d1 (+ (- d4 d3) (- d2 d1)))))
* [exit]simplify:  Simplified to (* (cbrt (* d1 (+ (- d4 d3) (- d2 d1)))) (cbrt (* d1 (+ (- d4 d3) (- d2 d1)))))
* [enter]simplify:  Simplifying (cbrt (* d1 (+ (- d4 d1) (- d2 d3))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (64 enodes)
* * [misc]simplify:  iters left: 3 (156 enodes)
* * [misc]simplify:  iters left: 2 (363 enodes)
* [exit]simplify:  Simplified to (cbrt (* d1 (+ (- d2 d1) (- d4 d3))))
* [exit]simplify:  Simplified to (cbrt (* d1 (+ (- d2 d1) (- d4 d3))))
* * * * [misc]progress:  [ 7 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (cbrt (* (* (* d1 (+ (- d4 d1) (- d2 d3))) (* d1 (+ (- d4 d1) (- d2 d3)))) (* d1 (+ (- d4 d1) (- d2 d3))))))>
* [enter]simplify:  Simplifying (* (* (* d1 (+ (- d4 d1) (- d2 d3))) (* d1 (+ (- d4 d1) (- d2 d3)))) (* d1 (+ (- d4 d1) (- d2 d3))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (33 enodes)
* * [misc]simplify:  iters left: 4 (140 enodes)
* [exit]simplify:  Simplified to (pow (* d1 (+ (- d4 d1) (- d2 d3))) 3)
* [exit]simplify:  Simplified to (pow (* d1 (+ (- d4 d1) (- d2 d3))) 3)
* * * * [misc]progress:  [ 8 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (sqrt (* d1 (+ (- d4 d1) (- d2 d3)))) (sqrt (* d1 (+ (- d4 d1) (- d2 d3))))))>
* [enter]simplify:  Simplifying (sqrt (* d1 (+ (- d4 d1) (- d2 d3))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (64 enodes)
* * [misc]simplify:  iters left: 3 (156 enodes)
* * [misc]simplify:  iters left: 2 (363 enodes)
* [exit]simplify:  Simplified to (sqrt (* d1 (+ (- d2 d1) (- d4 d3))))
* [exit]simplify:  Simplified to (sqrt (* d1 (+ (- d2 d1) (- d4 d3))))
* [enter]simplify:  Simplifying (sqrt (* d1 (+ (- d4 d1) (- d2 d3))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (64 enodes)
* * [misc]simplify:  iters left: 3 (156 enodes)
* * [misc]simplify:  iters left: 2 (363 enodes)
* [exit]simplify:  Simplified to (sqrt (* d1 (+ (- d2 d1) (- d4 d3))))
* [exit]simplify:  Simplified to (sqrt (* d1 (+ (- d2 d1) (- d4 d3))))
* * * * [misc]progress:  [ 9 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* 1 (* d1 (+ (- d4 d1) (- d2 d3)))))>
* * * * [misc]progress:  [ 10 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* d1 (- d4 d1)) (* d1 (- d2 d3))))>
* [enter]simplify:  Simplifying (* d1 (- d4 d1))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (14 enodes)
* * [misc]simplify:  iters left: 1 (20 enodes)
* [exit]simplify:  Simplified to (* d1 (- d4 d1))
* [exit]simplify:  Simplified to (* d1 (- d4 d1))
* [enter]simplify:  Simplifying (* d1 (- d2 d3))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* * [misc]simplify:  iters left: 1 (23 enodes)
* [exit]simplify:  Simplified to (* (- d2 d3) d1)
* [exit]simplify:  Simplified to (* (- d2 d3) d1)
* * * * [misc]progress:  [ 11 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* (- d4 d1) d1) (* (- d2 d3) d1)))>
* [enter]simplify:  Simplifying (* (- d4 d1) d1)
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (14 enodes)
* * [misc]simplify:  iters left: 1 (20 enodes)
* [exit]simplify:  Simplified to (* (- d4 d1) d1)
* [exit]simplify:  Simplified to (* (- d4 d1) d1)
* [enter]simplify:  Simplifying (* (- d2 d3) d1)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* * [misc]simplify:  iters left: 1 (23 enodes)
* [exit]simplify:  Simplified to (* (- d2 d3) d1)
* [exit]simplify:  Simplified to (* (- d2 d3) d1)
* * * * [misc]progress:  [ 12 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (* d1 (* (cbrt (+ (- d4 d1) (- d2 d3))) (cbrt (+ (- d4 d1) (- d2 d3))))) (cbrt (+ (- d4 d1) (- d2 d3)))))>
* [enter]simplify:  Simplifying (* d1 (* (cbrt (+ (- d4 d1) (- d2 d3))) (cbrt (+ (- d4 d1) (- d2 d3)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (47 enodes)
* * [misc]simplify:  iters left: 3 (102 enodes)
* * [misc]simplify:  iters left: 2 (193 enodes)
* * [misc]simplify:  iters left: 1 (336 enodes)
* [exit]simplify:  Simplified to (* d1 (* (cbrt (+ (- d2 d1) (- d4 d3))) (cbrt (+ (- d2 d1) (- d4 d3)))))
* [exit]simplify:  Simplified to (* d1 (* (cbrt (+ (- d2 d1) (- d4 d3))) (cbrt (+ (- d2 d1) (- d4 d3)))))
* * * * [misc]progress:  [ 13 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (* d1 (sqrt (+ (- d4 d1) (- d2 d3)))) (sqrt (+ (- d4 d1) (- d2 d3)))))>
* [enter]simplify:  Simplifying (* d1 (sqrt (+ (- d4 d1) (- d2 d3))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (42 enodes)
* * [misc]simplify:  iters left: 3 (97 enodes)
* * [misc]simplify:  iters left: 2 (191 enodes)
* * [misc]simplify:  iters left: 1 (330 enodes)
* [exit]simplify:  Simplified to (* (sqrt (- (- d4 d3) (- d1 d2))) d1)
* [exit]simplify:  Simplified to (* (sqrt (- (- d4 d3) (- d1 d2))) d1)
* * * * [misc]progress:  [ 14 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (* d1 1) (+ (- d4 d1) (- d2 d3))))>
* [enter]simplify:  Simplifying (* d1 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to d1
* [exit]simplify:  Simplified to d1
* * * * [misc]progress:  [ 15 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (* d1 1) (+ (- d4 d1) (- d2 d3))))>
* [enter]simplify:  Simplifying (* d1 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to d1
* [exit]simplify:  Simplified to d1
* * * * [misc]progress:  [ 16 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (* d1 (+ (* (- (pow d4 3) (pow d1 3)) (+ (* d2 d2) (+ (* d3 d3) (* d2 d3)))) (* (+ (* d4 d4) (+ (* d1 d1) (* d4 d1))) (- (pow d2 3) (pow d3 3))))) (* (+ (* d4 d4) (+ (* d1 d1) (* d4 d1))) (+ (* d2 d2) (+ (* d3 d3) (* d2 d3))))))>
* [enter]simplify:  Simplifying (* d1 (+ (* (- (pow d4 3) (pow d1 3)) (+ (* d2 d2) (+ (* d3 d3) (* d2 d3)))) (* (+ (* d4 d4) (+ (* d1 d1) (* d4 d1))) (- (pow d2 3) (pow d3 3)))))
* * [misc]simplify:  iters left: 6 (25 enodes)
* * [misc]simplify:  iters left: 5 (72 enodes)
* * [misc]simplify:  iters left: 4 (221 enodes)
* [exit]simplify:  Simplified to (* d1 (fma (fma (- d3) (* d3 d3) (pow d2 3)) (fma d1 (+ d4 d1) (* d4 d4)) (* (fma d3 (+ d3 d2) (* d2 d2)) (fma (* d1 d1) (- d1) (pow d4 3)))))
* [exit]simplify:  Simplified to (* d1 (fma (fma (- d3) (* d3 d3) (pow d2 3)) (fma d1 (+ d4 d1) (* d4 d4)) (* (fma d3 (+ d3 d2) (* d2 d2)) (fma (* d1 d1) (- d1) (pow d4 3)))))
* * * * [misc]progress:  [ 17 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (* d1 (+ (* (- (pow d4 3) (pow d1 3)) (+ d2 d3)) (* (+ (* d4 d4) (+ (* d1 d1) (* d4 d1))) (- (* d2 d2) (* d3 d3))))) (* (+ (* d4 d4) (+ (* d1 d1) (* d4 d1))) (+ d2 d3))))>
* [enter]simplify:  Simplifying (* d1 (+ (* (- (pow d4 3) (pow d1 3)) (+ d2 d3)) (* (+ (* d4 d4) (+ (* d1 d1) (* d4 d1))) (- (* d2 d2) (* d3 d3)))))
* * [misc]simplify:  iters left: 6 (21 enodes)
* * [misc]simplify:  iters left: 5 (59 enodes)
* * [misc]simplify:  iters left: 4 (176 enodes)
* [exit]simplify:  Simplified to (fma (fma d1 (+ d4 d1) (* d4 d4)) (* (- d2 d3) (* d1 (+ d2 d3))) (* (fma (- d1) (* d1 d1) (pow d4 3)) (* d1 (+ d2 d3))))
* [exit]simplify:  Simplified to (fma (fma d1 (+ d4 d1) (* d4 d4)) (* (- d2 d3) (* d1 (+ d2 d3))) (* (fma (- d1) (* d1 d1) (pow d4 3)) (* d1 (+ d2 d3))))
* * * * [misc]progress:  [ 18 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (* d1 (+ (* (- (* d4 d4) (* d1 d1)) (+ (* d2 d2) (+ (* d3 d3) (* d2 d3)))) (* (+ d4 d1) (- (pow d2 3) (pow d3 3))))) (* (+ d4 d1) (+ (* d2 d2) (+ (* d3 d3) (* d2 d3))))))>
* [enter]simplify:  Simplifying (* d1 (+ (* (- (* d4 d4) (* d1 d1)) (+ (* d2 d2) (+ (* d3 d3) (* d2 d3)))) (* (+ d4 d1) (- (pow d2 3) (pow d3 3)))))
* * [misc]simplify:  iters left: 6 (21 enodes)
* * [misc]simplify:  iters left: 5 (59 enodes)
* * [misc]simplify:  iters left: 4 (196 enodes)
* [exit]simplify:  Simplified to (fma (* (- d4 d1) (+ d4 d1)) (* d1 (fma d3 (+ d2 d3) (* d2 d2))) (* (fma (- d3) (* d3 d3) (pow d2 3)) (* (+ d4 d1) d1)))
* [exit]simplify:  Simplified to (fma (* (- d4 d1) (+ d4 d1)) (* d1 (fma d3 (+ d2 d3) (* d2 d2))) (* (fma (- d3) (* d3 d3) (pow d2 3)) (* (+ d4 d1) d1)))
* * * * [misc]progress:  [ 19 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (* d1 (+ (* (- (* d4 d4) (* d1 d1)) (+ d2 d3)) (* (+ d4 d1) (- (* d2 d2) (* d3 d3))))) (* (+ d4 d1) (+ d2 d3))))>
* [enter]simplify:  Simplifying (* d1 (+ (* (- (* d4 d4) (* d1 d1)) (+ d2 d3)) (* (+ d4 d1) (- (* d2 d2) (* d3 d3)))))
* * [misc]simplify:  iters left: 6 (16 enodes)
* * [misc]simplify:  iters left: 5 (45 enodes)
* * [misc]simplify:  iters left: 4 (150 enodes)
* [exit]simplify:  Simplified to (fma (+ d4 d1) (* (* (+ d3 d2) d1) (- d2 d3)) (* (* (- d4 d1) (+ d4 d1)) (* (+ d3 d2) d1)))
* [exit]simplify:  Simplified to (fma (+ d4 d1) (* (* (+ d3 d2) d1) (- d2 d3)) (* (* (- d4 d1) (+ d4 d1)) (* (+ d3 d2) d1)))
* * * * [misc]progress:  [ 20 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (* d1 (+ (pow (- d4 d1) 3) (pow (- d2 d3) 3))) (+ (* (- d4 d1) (- d4 d1)) (- (* (- d2 d3) (- d2 d3)) (* (- d4 d1) (- d2 d3))))))>
* [enter]simplify:  Simplifying (* d1 (+ (pow (- d4 d1) 3) (pow (- d2 d3) 3)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (29 enodes)
* * [misc]simplify:  iters left: 4 (79 enodes)
* * [misc]simplify:  iters left: 3 (331 enodes)
* [exit]simplify:  Simplified to (fma (* (- d4 d1) (- d4 d1)) (* d1 (- d4 d1)) (* (* (- d2 d3) (- d2 d3)) (* (- d2 d3) d1)))
* [exit]simplify:  Simplified to (fma (* (- d4 d1) (- d4 d1)) (* d1 (- d4 d1)) (* (* (- d2 d3) (- d2 d3)) (* (- d2 d3) d1)))
* * * * [misc]progress:  [ 21 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (* d1 (- (* (- d4 d1) (- d4 d1)) (* (- d2 d3) (- d2 d3)))) (- (- d4 d1) (- d2 d3))))>
* [enter]simplify:  Simplifying (* d1 (- (* (- d4 d1) (- d4 d1)) (* (- d2 d3) (- d2 d3))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (66 enodes)
* * [misc]simplify:  iters left: 3 (310 enodes)
* [exit]simplify:  Simplified to (* d1 (* (+ (- d4 d1) (- d3 d2)) (- (- d4 d1) (- d3 d2))))
* [exit]simplify:  Simplified to (* d1 (* (+ (- d4 d1) (- d3 d2)) (- (- d4 d1) (- d3 d2))))
* * * * [misc]progress:  [ 22 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (+ (- d4 d1) (- d2 d3)) d1))>
* * * * [misc]progress:  [ 23 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (log1p (expm1 (+ (- d4 d1) (- d2 d3))))))>
* [enter]simplify:  Simplifying (expm1 (+ (- d4 d1) (- d2 d3)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (40 enodes)
* * [misc]simplify:  iters left: 2 (95 enodes)
* * [misc]simplify:  iters left: 1 (188 enodes)
* [exit]simplify:  Simplified to (expm1 (+ (- d4 d1) (- d2 d3)))
* [exit]simplify:  Simplified to (expm1 (+ (- d4 d1) (- d2 d3)))
* * * * [misc]progress:  [ 24 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (expm1 (log1p (+ (- d4 d1) (- d2 d3))))))>
* [enter]simplify:  Simplifying (log1p (+ (- d4 d1) (- d2 d3)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (40 enodes)
* * [misc]simplify:  iters left: 2 (95 enodes)
* * [misc]simplify:  iters left: 1 (188 enodes)
* [exit]simplify:  Simplified to (log1p (+ (- d4 d1) (- d2 d3)))
* [exit]simplify:  Simplified to (log1p (+ (- d4 d1) (- d2 d3)))
* * * * [misc]progress:  [ 25 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (fma (* (cbrt (- d4 d1)) (cbrt (- d4 d1))) (cbrt (- d4 d1)) (- d2 d3))))>
* * * * [misc]progress:  [ 26 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (fma (sqrt (- d4 d1)) (sqrt (- d4 d1)) (- d2 d3))))>
* * * * [misc]progress:  [ 27 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (fma 1 (- d4 d1) (- d2 d3))))>
* * * * [misc]progress:  [ 28 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (log (* (exp (- d4 d1)) (exp (- d2 d3))))))>
* [enter]simplify:  Simplifying (* (exp (- d4 d1)) (exp (- d2 d3)))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (45 enodes)
* * [misc]simplify:  iters left: 2 (117 enodes)
* * [misc]simplify:  iters left: 1 (291 enodes)
* [exit]simplify:  Simplified to (exp (- (- d4 d1) (- d3 d2)))
* [exit]simplify:  Simplified to (exp (- (- d4 d1) (- d3 d2)))
* * * * [misc]progress:  [ 29 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (pow (+ (- d4 d1) (- d2 d3)) 1)))>
* * * * [misc]progress:  [ 30 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (exp (log (+ (- d4 d1) (- d2 d3))))))>
* [enter]simplify:  Simplifying (log (+ (- d4 d1) (- d2 d3)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (40 enodes)
* * [misc]simplify:  iters left: 2 (95 enodes)
* * [misc]simplify:  iters left: 1 (188 enodes)
* [exit]simplify:  Simplified to (log (+ (- d4 d1) (- d2 d3)))
* [exit]simplify:  Simplified to (log (+ (- d4 d1) (- d2 d3)))
* * * * [misc]progress:  [ 31 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (log (exp (+ (- d4 d1) (- d2 d3))))))>
* [enter]simplify:  Simplifying (exp (+ (- d4 d1) (- d2 d3)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (20 enodes)
* * [misc]simplify:  iters left: 3 (58 enodes)
* * [misc]simplify:  iters left: 2 (148 enodes)
* * [misc]simplify:  iters left: 1 (342 enodes)
* [exit]simplify:  Simplified to (exp (+ (- d2 d3) (- d4 d1)))
* [exit]simplify:  Simplified to (exp (+ (- d2 d3) (- d4 d1)))
* * * * [misc]progress:  [ 32 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (* (* (cbrt (+ (- d4 d1) (- d2 d3))) (cbrt (+ (- d4 d1) (- d2 d3)))) (cbrt (+ (- d4 d1) (- d2 d3))))))>
* [enter]simplify:  Simplifying (* (cbrt (+ (- d4 d1) (- d2 d3))) (cbrt (+ (- d4 d1) (- d2 d3))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (95 enodes)
* * [misc]simplify:  iters left: 2 (188 enodes)
* * [misc]simplify:  iters left: 1 (402 enodes)
* [exit]simplify:  Simplified to (* (cbrt (- (+ d4 d2) (+ d1 d3))) (cbrt (- (+ d4 d2) (+ d1 d3))))
* [exit]simplify:  Simplified to (* (cbrt (- (+ d4 d2) (+ d1 d3))) (cbrt (- (+ d4 d2) (+ d1 d3))))
* [enter]simplify:  Simplifying (cbrt (+ (- d4 d1) (- d2 d3)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (40 enodes)
* * [misc]simplify:  iters left: 2 (95 enodes)
* * [misc]simplify:  iters left: 1 (188 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (- d4 d1) (- d2 d3)))
* [exit]simplify:  Simplified to (cbrt (+ (- d4 d1) (- d2 d3)))
* * * * [misc]progress:  [ 33 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (cbrt (* (* (+ (- d4 d1) (- d2 d3)) (+ (- d4 d1) (- d2 d3))) (+ (- d4 d1) (- d2 d3))))))>
* [enter]simplify:  Simplifying (* (* (+ (- d4 d1) (- d2 d3)) (+ (- d4 d1) (- d2 d3))) (+ (- d4 d1) (- d2 d3)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (31 enodes)
* * [misc]simplify:  iters left: 4 (136 enodes)
* [exit]simplify:  Simplified to (pow (+ (- d4 d1) (- d2 d3)) 3)
* [exit]simplify:  Simplified to (pow (+ (- d4 d1) (- d2 d3)) 3)
* * * * [misc]progress:  [ 34 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (* (sqrt (+ (- d4 d1) (- d2 d3))) (sqrt (+ (- d4 d1) (- d2 d3))))))>
* [enter]simplify:  Simplifying (sqrt (+ (- d4 d1) (- d2 d3)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (40 enodes)
* * [misc]simplify:  iters left: 2 (95 enodes)
* * [misc]simplify:  iters left: 1 (188 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (- d4 d1) (- d2 d3)))
* [exit]simplify:  Simplified to (sqrt (+ (- d4 d1) (- d2 d3)))
* [enter]simplify:  Simplifying (sqrt (+ (- d4 d1) (- d2 d3)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (40 enodes)
* * [misc]simplify:  iters left: 2 (95 enodes)
* * [misc]simplify:  iters left: 1 (188 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (- d4 d1) (- d2 d3)))
* [exit]simplify:  Simplified to (sqrt (+ (- d4 d1) (- d2 d3)))
* * * * [misc]progress:  [ 35 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (/ (+ (* (- (pow d4 3) (pow d1 3)) (+ (* d2 d2) (+ (* d3 d3) (* d2 d3)))) (* (+ (* d4 d4) (+ (* d1 d1) (* d4 d1))) (- (pow d2 3) (pow d3 3)))) (* (+ (* d4 d4) (+ (* d1 d1) (* d4 d1))) (+ (* d2 d2) (+ (* d3 d3) (* d2 d3)))))))>
* [enter]simplify:  Simplifying (+ (* (- (pow d4 3) (pow d1 3)) (+ (* d2 d2) (+ (* d3 d3) (* d2 d3)))) (* (+ (* d4 d4) (+ (* d1 d1) (* d4 d1))) (- (pow d2 3) (pow d3 3))))
* * [misc]simplify:  iters left: 6 (24 enodes)
* * [misc]simplify:  iters left: 5 (64 enodes)
* * [misc]simplify:  iters left: 4 (181 enodes)
* [exit]simplify:  Simplified to (fma (fma (- d3) (* d3 d3) (pow d2 3)) (fma d1 (+ d4 d1) (* d4 d4)) (* (fma (+ d3 d2) d3 (* d2 d2)) (fma (* d1 d1) (- d1) (pow d4 3))))
* [exit]simplify:  Simplified to (fma (fma (- d3) (* d3 d3) (pow d2 3)) (fma d1 (+ d4 d1) (* d4 d4)) (* (fma (+ d3 d2) d3 (* d2 d2)) (fma (* d1 d1) (- d1) (pow d4 3))))
* [enter]simplify:  Simplifying (* (+ (* d4 d4) (+ (* d1 d1) (* d4 d1))) (+ (* d2 d2) (+ (* d3 d3) (* d2 d3))))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (40 enodes)
* * [misc]simplify:  iters left: 4 (132 enodes)
* [exit]simplify:  Simplified to (* (fma d3 (+ d3 d2) (* d2 d2)) (fma d1 (+ d4 d1) (* d4 d4)))
* [exit]simplify:  Simplified to (* (fma d3 (+ d3 d2) (* d2 d2)) (fma d1 (+ d4 d1) (* d4 d4)))
* * * * [misc]progress:  [ 36 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (/ (+ (* (- (pow d4 3) (pow d1 3)) (+ d2 d3)) (* (+ (* d4 d4) (+ (* d1 d1) (* d4 d1))) (- (* d2 d2) (* d3 d3)))) (* (+ (* d4 d4) (+ (* d1 d1) (* d4 d1))) (+ d2 d3)))))>
* [enter]simplify:  Simplifying (+ (* (- (pow d4 3) (pow d1 3)) (+ d2 d3)) (* (+ (* d4 d4) (+ (* d1 d1) (* d4 d1))) (- (* d2 d2) (* d3 d3))))
* * [misc]simplify:  iters left: 6 (20 enodes)
* * [misc]simplify:  iters left: 5 (51 enodes)
* * [misc]simplify:  iters left: 4 (136 enodes)
* [exit]simplify:  Simplified to (fma (+ d2 d3) (* (fma d1 (+ d4 d1) (* d4 d4)) (- d2 d3)) (* (+ d2 d3) (fma (- d1) (* d1 d1) (pow d4 3))))
* [exit]simplify:  Simplified to (fma (+ d2 d3) (* (fma d1 (+ d4 d1) (* d4 d4)) (- d2 d3)) (* (+ d2 d3) (fma (- d1) (* d1 d1) (pow d4 3))))
* [enter]simplify:  Simplifying (* (+ (* d4 d4) (+ (* d1 d1) (* d4 d1))) (+ d2 d3))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (28 enodes)
* * [misc]simplify:  iters left: 4 (87 enodes)
* * [misc]simplify:  iters left: 3 (282 enodes)
* [exit]simplify:  Simplified to (* (fma (+ d4 d1) d1 (* d4 d4)) (+ d3 d2))
* [exit]simplify:  Simplified to (* (fma (+ d4 d1) d1 (* d4 d4)) (+ d3 d2))
* * * * [misc]progress:  [ 37 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (/ (+ (* (- (* d4 d4) (* d1 d1)) (+ (* d2 d2) (+ (* d3 d3) (* d2 d3)))) (* (+ d4 d1) (- (pow d2 3) (pow d3 3)))) (* (+ d4 d1) (+ (* d2 d2) (+ (* d3 d3) (* d2 d3)))))))>
* [enter]simplify:  Simplifying (+ (* (- (* d4 d4) (* d1 d1)) (+ (* d2 d2) (+ (* d3 d3) (* d2 d3)))) (* (+ d4 d1) (- (pow d2 3) (pow d3 3))))
* * [misc]simplify:  iters left: 6 (20 enodes)
* * [misc]simplify:  iters left: 5 (51 enodes)
* * [misc]simplify:  iters left: 4 (158 enodes)
* [exit]simplify:  Simplified to (fma (* (- d4 d1) (+ d4 d1)) (fma (+ d2 d3) d3 (* d2 d2)) (* (fma (* d3 d3) (- d3) (pow d2 3)) (+ d4 d1)))
* [exit]simplify:  Simplified to (fma (* (- d4 d1) (+ d4 d1)) (fma (+ d2 d3) d3 (* d2 d2)) (* (fma (* d3 d3) (- d3) (pow d2 3)) (+ d4 d1)))
* [enter]simplify:  Simplifying (* (+ d4 d1) (+ (* d2 d2) (+ (* d3 d3) (* d2 d3))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (28 enodes)
* * [misc]simplify:  iters left: 4 (89 enodes)
* * [misc]simplify:  iters left: 3 (281 enodes)
* [exit]simplify:  Simplified to (* (fma d3 (+ d3 d2) (* d2 d2)) (+ d1 d4))
* [exit]simplify:  Simplified to (* (fma d3 (+ d3 d2) (* d2 d2)) (+ d1 d4))
* * * * [misc]progress:  [ 38 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (/ (+ (* (- (* d4 d4) (* d1 d1)) (+ d2 d3)) (* (+ d4 d1) (- (* d2 d2) (* d3 d3)))) (* (+ d4 d1) (+ d2 d3)))))>
* [enter]simplify:  Simplifying (+ (* (- (* d4 d4) (* d1 d1)) (+ d2 d3)) (* (+ d4 d1) (- (* d2 d2) (* d3 d3))))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (37 enodes)
* * [misc]simplify:  iters left: 4 (112 enodes)
* * [misc]simplify:  iters left: 3 (438 enodes)
* [exit]simplify:  Simplified to (* (* (+ d4 d1) (+ d3 d2)) (+ (- d2 d3) (- d4 d1)))
* [exit]simplify:  Simplified to (* (* (+ d4 d1) (+ d3 d2)) (+ (- d2 d3) (- d4 d1)))
* [enter]simplify:  Simplifying (* (+ d4 d1) (+ d2 d3))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (16 enodes)
* * [misc]simplify:  iters left: 2 (44 enodes)
* * [misc]simplify:  iters left: 1 (98 enodes)
* [exit]simplify:  Simplified to (* (+ d1 d4) (+ d2 d3))
* [exit]simplify:  Simplified to (* (+ d1 d4) (+ d2 d3))
* * * * [misc]progress:  [ 39 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (/ (+ (pow (- d4 d1) 3) (pow (- d2 d3) 3)) (+ (* (- d4 d1) (- d4 d1)) (- (* (- d2 d3) (- d2 d3)) (* (- d4 d1) (- d2 d3)))))))>
* [enter]simplify:  Simplifying (+ (pow (- d4 d1) 3) (pow (- d2 d3) 3))
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (51 enodes)
* * [misc]simplify:  iters left: 2 (187 enodes)
* [exit]simplify:  Simplified to (fma (* (- d4 d1) (- d4 d1)) (- d4 d1) (pow (- d2 d3) 3))
* [exit]simplify:  Simplified to (fma (* (- d4 d1) (- d4 d1)) (- d4 d1) (pow (- d2 d3) 3))
* [enter]simplify:  Simplifying (+ (* (- d4 d1) (- d4 d1)) (- (* (- d2 d3) (- d2 d3)) (* (- d4 d1) (- d2 d3))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (75 enodes)
* * [misc]simplify:  iters left: 3 (334 enodes)
* [exit]simplify:  Simplified to (fma (- (- d2 d3) (- d4 d1)) (- d2 d3) (* (- d4 d1) (- d4 d1)))
* [exit]simplify:  Simplified to (fma (- (- d2 d3) (- d4 d1)) (- d2 d3) (* (- d4 d1) (- d4 d1)))
* * * * [misc]progress:  [ 40 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (* 1 (+ (- d4 d1) (- d2 d3)))))>
* * * * [misc]progress:  [ 41 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (/ (- (* (- d4 d1) (- d4 d1)) (* (- d2 d3) (- d2 d3))) (- (- d4 d1) (- d2 d3)))))>
* [enter]simplify:  Simplifying (- (* (- d4 d1) (- d4 d1)) (* (- d2 d3) (- d2 d3)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (54 enodes)
* * [misc]simplify:  iters left: 3 (229 enodes)
* [exit]simplify:  Simplified to (- (* (- d4 d1) (- d4 d1)) (* (- d2 d3) (- d2 d3)))
* [exit]simplify:  Simplified to (- (* (- d4 d1) (- d4 d1)) (* (- d2 d3) (- d2 d3)))
* [enter]simplify:  Simplifying (- (- d4 d1) (- d2 d3))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* * [misc]simplify:  iters left: 2 (39 enodes)
* * [misc]simplify:  iters left: 1 (93 enodes)
* [exit]simplify:  Simplified to (+ (- d3 d2) (- d4 d1))
* [exit]simplify:  Simplified to (+ (- d3 d2) (- d4 d1))
* * * * [misc]progress:  [ 42 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (* 1 (+ (- d4 d1) (- d2 d3)))))>
* [enter]simplify:  Simplifying (+ (- d4 d1) (- d2 d3))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (16 enodes)
* * [misc]simplify:  iters left: 2 (39 enodes)
* * [misc]simplify:  iters left: 1 (93 enodes)
* [exit]simplify:  Simplified to (- (- d4 d3) (- d1 d2))
* [exit]simplify:  Simplified to (- (- d4 d3) (- d1 d2))
* * * * [misc]progress:  [ 43 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (+ (+ (- d4 d1) d2) (- d3))))>
* [enter]simplify:  Simplifying (+ (- d4 d1) d2)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (20 enodes)
* * [misc]simplify:  iters left: 1 (31 enodes)
* [exit]simplify:  Simplified to (+ d2 (- d4 d1))
* [exit]simplify:  Simplified to (+ d2 (- d4 d1))
* * * * [misc]progress:  [ 44 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (+ (+ (- d4 d1) d2) (- d3))))>
* [enter]simplify:  Simplifying (+ (- d4 d1) d2)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (20 enodes)
* * [misc]simplify:  iters left: 1 (31 enodes)
* [exit]simplify:  Simplified to (+ d2 (- d4 d1))
* [exit]simplify:  Simplified to (+ d2 (- d4 d1))
* * * * [misc]progress:  [ 45 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (+ d4 (+ (- d1) (- d2 d3)))))>
* [enter]simplify:  Simplifying (+ (- d1) (- d2 d3))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (- (- d2 d1) d3)
* [exit]simplify:  Simplified to (- (- d2 d1) d3)
* * * * [misc]progress:  [ 46 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (+ d4 (+ (- d1) (- d2 d3)))))>
* [enter]simplify:  Simplifying (+ (- d1) (- d2 d3))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (- (- d2 d1) d3)
* [exit]simplify:  Simplified to (- (- d2 d1) d3)
* * * * [misc]progress:  [ 47 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (- (+ (- d4 d1) d2) d3)))>
* [enter]simplify:  Simplifying (+ (- d4 d1) d2)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (20 enodes)
* * [misc]simplify:  iters left: 1 (31 enodes)
* [exit]simplify:  Simplified to (+ d2 (- d4 d1))
* [exit]simplify:  Simplified to (+ d2 (- d4 d1))
* * * * [misc]progress:  [ 48 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (- d4 (- d1 (- d2 d3)))))>
* [enter]simplify:  Simplifying (- d1 (- d2 d3))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* * [misc]simplify:  iters left: 1 (31 enodes)
* [exit]simplify:  Simplified to (- (+ d1 d3) d2)
* [exit]simplify:  Simplified to (- (+ d1 d3) d2)
* * * * [misc]progress:  [ 49 / 55 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* d1 (+ (- d2 d3) (- d4 d1))))>
* * * * [misc]progress:  [ 50 / 55 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (+ (* d1 d2) (* d1 d4)) (pow d1 2)))>
* [enter]simplify:  Simplifying (- (+ (* d1 d2) (* d1 d4)) (pow d1 2))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (46 enodes)
* * [misc]simplify:  iters left: 3 (80 enodes)
* * [misc]simplify:  iters left: 2 (114 enodes)
* * [misc]simplify:  iters left: 1 (139 enodes)
* [exit]simplify:  Simplified to (fma d1 (- d2 d1) (* d4 d1))
* * * * [misc]progress:  [ 51 / 55 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)))>
* [enter]simplify:  Simplifying (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (49 enodes)
* * [misc]simplify:  iters left: 3 (85 enodes)
* * [misc]simplify:  iters left: 2 (124 enodes)
* * [misc]simplify:  iters left: 1 (150 enodes)
* [exit]simplify:  Simplified to (fma (- d2 d3) d1 (* d4 d1))
* * * * [misc]progress:  [ 52 / 55 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)))>
* [enter]simplify:  Simplifying (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (49 enodes)
* * [misc]simplify:  iters left: 3 (85 enodes)
* * [misc]simplify:  iters left: 2 (124 enodes)
* * [misc]simplify:  iters left: 1 (150 enodes)
* [exit]simplify:  Simplified to (fma (- d2 d3) d1 (* d4 d1))
* * * * [misc]progress:  [ 53 / 55 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (* d1 (- (+ d4 d2) d1)))>
* [enter]simplify:  Simplifying (* d1 (- (+ d4 d2) d1))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (61 enodes)
* * [misc]simplify:  iters left: 2 (89 enodes)
* * [misc]simplify:  iters left: 1 (104 enodes)
* [exit]simplify:  Simplified to (fma (- d2 d1) d1 (* d4 d1))
* * * * [misc]progress:  [ 54 / 55 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (* d1 (- d2 (+ d1 d3))))>
* [enter]simplify:  Simplifying (* d1 (- d2 (+ d1 d3)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (53 enodes)
* * [misc]simplify:  iters left: 2 (106 enodes)
* * [misc]simplify:  iters left: 1 (168 enodes)
* [exit]simplify:  Simplified to (fma (- d1) (+ d3 d1) (* d2 d1))
* * * * [misc]progress:  [ 55 / 55 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (* d1 (- d2 (+ d1 d3))))>
* [enter]simplify:  Simplifying (* d1 (- d2 (+ d1 d3)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (53 enodes)
* * [misc]simplify:  iters left: 2 (106 enodes)
* * [misc]simplify:  iters left: 1 (168 enodes)
* [exit]simplify:  Simplified to (fma (- d1) (+ d3 d1) (* d2 d1))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 4 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))) (* d1 d1)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 3 ] rewriting at (2 1)
* * * * [misc]progress:  [ 2 / 3 ] rewriting at (2 1 1)
* * * * [misc]progress:  [ 3 / 3 ] rewriting at (2 1 1 1)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 3 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))) in d4
* [misc]taylor:  Rewrote expression to (log (+ 1 (expm1 (fma d1 (- d2 d3) (* d1 d4)))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (expm1 (fma d1 (- d2 d3) (* d1 d4)))) in d4
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma d1 (- d2 d3) (* d1 d4))) in d4
* [misc]taylor:  Rewrote expression to (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma d1 (- d2 d3) (* d1 d4))) in d4
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in d4
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d2 d3)) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d2 d3)) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]backup-simplify:  Simplify (* d1 (- d2 d3)) into (* (- d2 d3) d1)
* [misc]backup-simplify:  Simplify (* d1 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- d2 d3) d1) 0) into (- (* d1 d2) (* d1 d3))
* [misc]backup-simplify:  Simplify (exp (- (* d1 d2) (* d1 d3))) into (exp (- (* d1 d2) (* d1 d3)))
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (- (* d1 d2) (* d1 d3))) -1) into (- (exp (- (* d1 d2) (* d1 d3))) 1)
* [misc]backup-simplify:  Simplify (+ 1 (- (exp (- (* d1 d2) (* d1 d3))) 1)) into (exp (- (* d1 d2) (* d1 d3)))
* [misc]backup-simplify:  Simplify (log (exp (- (* d1 d2) (* d1 d3)))) into (- (* d1 d2) (* d1 d3))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))) in d3
* [misc]taylor:  Rewrote expression to (log (+ 1 (expm1 (fma d1 (- d2 d3) (* d1 d4)))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (expm1 (fma d1 (- d2 d3) (* d1 d4)))) in d3
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma d1 (- d2 d3) (* d1 d4))) in d3
* [misc]taylor:  Rewrote expression to (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma d1 (- d2 d3) (* d1 d4))) in d3
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in d3
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d2 d3)) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d2 d3)) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ d2 0) into d2
* [misc]backup-simplify:  Simplify (* d1 d2) into (* d1 d2)
* [misc]backup-simplify:  Simplify (* d1 d4) into (* d1 d4)
* [misc]backup-simplify:  Simplify (+ (* d1 d2) (* d1 d4)) into (+ (* d1 d2) (* d1 d4))
* [misc]backup-simplify:  Simplify (exp (+ (* d1 d2) (* d1 d4))) into (exp (+ (* d1 d2) (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (+ (* d1 d2) (* d1 d4))) -1) into (- (exp (+ (* d1 d2) (* d1 d4))) 1)
* [misc]backup-simplify:  Simplify (+ 1 (- (exp (+ (* d1 d2) (* d1 d4))) 1)) into (exp (+ (* d1 d2) (* d1 d4)))
* [misc]backup-simplify:  Simplify (log (exp (+ (* d1 d2) (* d1 d4)))) into (+ (* d1 d2) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))) in d2
* [misc]taylor:  Rewrote expression to (log (+ 1 (expm1 (fma d1 (- d2 d3) (* d1 d4)))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (expm1 (fma d1 (- d2 d3) (* d1 d4)))) in d2
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma d1 (- d2 d3) (* d1 d4))) in d2
* [misc]taylor:  Rewrote expression to (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma d1 (- d2 d3) (* d1 d4))) in d2
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in d2
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d2 d3)) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d2 d3)) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ 0 (- d3)) into (- d3)
* [misc]backup-simplify:  Simplify (* d1 (- d3)) into (* -1 (* d1 d3))
* [misc]backup-simplify:  Simplify (* d1 d4) into (* d1 d4)
* [misc]backup-simplify:  Simplify (+ (* -1 (* d1 d3)) (* d1 d4)) into (- (* d1 d4) (* d1 d3))
* [misc]backup-simplify:  Simplify (exp (- (* d1 d4) (* d1 d3))) into (exp (- (* d1 d4) (* d1 d3)))
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (- (* d1 d4) (* d1 d3))) -1) into (- (exp (- (* d1 d4) (* d1 d3))) 1)
* [misc]backup-simplify:  Simplify (+ 1 (- (exp (- (* d1 d4) (* d1 d3))) 1)) into (exp (- (* d1 d4) (* d1 d3)))
* [misc]backup-simplify:  Simplify (log (exp (- (* d1 d4) (* d1 d3)))) into (- (* d1 d4) (* d1 d3))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))) in d1
* [misc]taylor:  Rewrote expression to (log (+ 1 (expm1 (fma d1 (- d2 d3) (* d1 d4)))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (expm1 (fma d1 (- d2 d3) (* d1 d4)))) in d1
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma d1 (- d2 d3) (* d1 d4))) in d1
* [misc]taylor:  Rewrote expression to (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma d1 (- d2 d3) (* d1 d4))) in d1
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in d1
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d2 d3)) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d2 d3)) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]backup-simplify:  Simplify (* 0 (- d2 d3)) into 0
* [misc]backup-simplify:  Simplify (* 0 d4) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (- d2 d3))) into (- d2 d3)
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d4)) into d4
* [misc]backup-simplify:  Simplify (+ (- d2 d3) d4) into (- (+ d4 d2) d3)
* [misc]backup-simplify:  Simplify (exp 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 1 -1) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (log 1) into 0
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))) in d1
* [misc]taylor:  Rewrote expression to (log (+ 1 (expm1 (fma d1 (- d2 d3) (* d1 d4)))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (expm1 (fma d1 (- d2 d3) (* d1 d4)))) in d1
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma d1 (- d2 d3) (* d1 d4))) in d1
* [misc]taylor:  Rewrote expression to (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma d1 (- d2 d3) (* d1 d4))) in d1
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in d1
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d2 d3)) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d2 d3)) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]backup-simplify:  Simplify (* 0 (- d2 d3)) into 0
* [misc]backup-simplify:  Simplify (* 0 d4) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (- d2 d3))) into (- d2 d3)
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d4)) into d4
* [misc]backup-simplify:  Simplify (+ (- d2 d3) d4) into (- (+ d4 d2) d3)
* [misc]backup-simplify:  Simplify (exp 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 1 -1) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (log 1) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow (- (+ d4 d2) d3) 1) 1)))) into (- (+ d2 d4) d3)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (- (+ d2 d4) d3) 0) into (- (+ d4 d2) d3)
* [misc]backup-simplify:  Simplify (+ 0 (- (+ d4 d2) d3)) into (- (+ d2 d4) d3)
* [misc]backup-simplify:  Simplify (/ (+ (* 1 (/ (* (pow (* 1 (- (+ d2 d4) d3)) 1)) (pow 1 1)))) 1) into (- (+ d4 d2) d3)
* [misc]taylor:  Taking taylor expansion of (- (+ d4 d2) d3) in d2
* [misc]taylor:  Taking taylor expansion of (+ d4 d2) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (+ d4 0) into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d4 (- d3)) into (- d4 d3)
* [misc]taylor:  Taking taylor expansion of (- d4 d3) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ d4 0) into d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (- d2 d3)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d4))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow (- (+ d4 d2) d3) 2) 2)) (* (/ (pow 0 1) 1)))) into (- (+ (* 1/2 (pow d2 2)) (+ (* 1/2 (pow d3 2)) (+ (* 1/2 (* d4 d2)) (+ (* 1/2 (pow d4 2)) (* 1/2 (* d2 d4)))))) (+ (* d3 d4) (* d3 d2)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (- (+ (* 1/2 (pow d2 2)) (+ (* 1/2 (pow d3 2)) (+ (* 1/2 (* d4 d2)) (+ (* 1/2 (pow d4 2)) (* 1/2 (* d2 d4)))))) (+ (* d3 d4) (* d3 d2))) 0) into (- (+ (* 1/2 (pow d2 2)) (+ (* 1/2 (pow d3 2)) (+ (* 1/2 (* d4 d2)) (+ (* 1/2 (pow d4 2)) (* 1/2 (* d2 d4)))))) (+ (* d3 d4) (* d3 d2)))
* [misc]backup-simplify:  Simplify (+ 0 (- (+ (* 1/2 (pow d2 2)) (+ (* 1/2 (pow d3 2)) (+ (* 1/2 (* d4 d2)) (+ (* 1/2 (pow d4 2)) (* 1/2 (* d2 d4)))))) (+ (* d3 d4) (* d3 d2)))) into (- (+ (* 1/2 (pow d2 2)) (+ (* 1/2 (pow d3 2)) (+ (* 1/2 (* d4 d2)) (+ (* 1/2 (pow d4 2)) (* 1/2 (* d2 d4)))))) (+ (* d3 d4) (* d3 d2)))
* [misc]backup-simplify:  Simplify (/ (+ (* -1 (/ (* (pow (* 1 (- (+ d2 d4) d3)) 2)) (pow 1 2))) (* 1 (/ (* 1 (pow (* 2 (- (+ (* 1/2 (pow d2 2)) (+ (* 1/2 (pow d3 2)) (+ (* 1/2 (* d4 d2)) (+ (* 1/2 (pow d4 2)) (* 1/2 (* d2 d4)))))) (+ (* d3 d4) (* d3 d2)))) 1)) (pow 1 1)))) 2) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]approximate:  Taking taylor expansion of (log1p (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))) in d4
* [misc]taylor:  Rewrote expression to (log (+ 1 (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))) in d4
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d4
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d4
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in d4
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (* (/ 1 d1) (/ 1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (* (/ 1 d1) 1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d1)) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)
* [misc]backup-simplify:  Simplify (+ 1 (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]backup-simplify:  Simplify (log (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))) into (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))) in d3
* [misc]taylor:  Rewrote expression to (log (+ 1 (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))) in d3
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d3
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d3
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in d3
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (* (/ 1 d1) (/ 1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* (/ 1 d1) -1) into (/ -1 d1)
* [misc]backup-simplify:  Simplify (+ (/ -1 d1) 0) into (- (/ 1 d1))
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)
* [misc]backup-simplify:  Simplify (+ 1 (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]backup-simplify:  Simplify (log (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))) into (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))) in d2
* [misc]taylor:  Rewrote expression to (log (+ 1 (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))) in d2
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d2
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d2
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in d2
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (* (/ 1 d1) (/ 1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* (/ 1 d1) 1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ (/ 1 d1) 0) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)
* [misc]backup-simplify:  Simplify (+ 1 (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]backup-simplify:  Simplify (log (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))) into (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))) in d1
* [misc]taylor:  Rewrote expression to (log (+ 1 (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))) in d1
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d1
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (* (/ 1 d1) (/ 1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* 1 (- (/ 1 d2) (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)
* [misc]backup-simplify:  Simplify (+ 1 (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]backup-simplify:  Simplify (log (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))) into (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))) in d1
* [misc]taylor:  Rewrote expression to (log (+ 1 (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))))) in d1
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d1
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (* (/ 1 d1) (/ 1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* 1 (- (/ 1 d2) (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)
* [misc]backup-simplify:  Simplify (+ 1 (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]backup-simplify:  Simplify (log (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))) into (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))) in d2
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (* d1 d4) into (* d1 d4)
* [misc]backup-simplify:  Simplify (/ 1 (* d1 d4)) into (/ 1 (* d1 d4))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 d3))) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d1) (/ 0 d1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d1) (- (/ 1 d3))) (* 0 1)) into (- (/ 1 (* d1 d3)))
* [misc]backup-simplify:  Simplify (+ (- (/ 1 (* d1 d3))) (/ 1 (* d1 d4))) into (- (/ 1 (* d1 d4)) (/ 1 (* d1 d3)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d1 d4)) (/ 1 (* d1 d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d1 d4)) in d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (* d1 d4) into (* d1 d4)
* [misc]backup-simplify:  Simplify (/ 1 (* d1 d4)) into (/ 1 (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* d1 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d1 1) (* 0 0)) into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ (* d1 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d1) (/ 0 d1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 (* d1 d4)) 0) into (/ 1 (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* d1 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d1 1) (* 0 0)) into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ (* d1 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d1) (/ 0 d1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* 1 (/ (* (pow (* 1 0) 1)) (pow (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)))) 1) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d1) (/ 0 d1)) (* 0 (/ 0 d1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d1) 0) (+ (* 0 (- (/ 1 d3))) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (+ (* d1 0) (* 0 d4)) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d1 d4)) (/ 0 (* d1 d4))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d1 0) (* 0 d4)) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d1 d4)) (/ 0 (* d1 d4))))) into 0
* [misc]backup-simplify:  Simplify (+ (* d1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d1) (/ 0 d1)) (* 0 (/ 0 d1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d1) (/ 0 d1)) (* 0 (/ 0 d1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* -1 (/ (* (pow (* 1 0) 2)) (pow (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)))) 2) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]approximate:  Taking taylor expansion of (log1p (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))) in d4
* [misc]taylor:  Rewrote expression to (log (+ 1 (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))) in d4
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d4
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d4
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d4
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) (* (/ 1 (- d1)) (/ 1 (- d4))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d4
* [misc]taylor:  Taking taylor expansion of (- d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (* (/ -1 d1) -1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d1)) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)
* [misc]backup-simplify:  Simplify (+ 1 (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]backup-simplify:  Simplify (log (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))) into (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))) in d3
* [misc]taylor:  Rewrote expression to (log (+ 1 (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))) in d3
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d3
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d3
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d3
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) (* (/ 1 (- d1)) (/ 1 (- d4))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d3
* [misc]taylor:  Taking taylor expansion of (- d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d3
* [misc]taylor:  Taking taylor expansion of (- d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* (/ -1 d1) 1) into (/ -1 d1)
* [misc]backup-simplify:  Simplify (+ (/ -1 d1) 0) into (- (/ 1 d1))
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)
* [misc]backup-simplify:  Simplify (+ 1 (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]backup-simplify:  Simplify (log (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))) into (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))) in d2
* [misc]taylor:  Rewrote expression to (log (+ 1 (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))) in d2
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d2
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d2
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d2
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) (* (/ 1 (- d1)) (/ 1 (- d4))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d2
* [misc]taylor:  Taking taylor expansion of (- d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d2
* [misc]taylor:  Taking taylor expansion of (- d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (* (/ -1 d1) -1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ (/ 1 d1) 0) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)
* [misc]backup-simplify:  Simplify (+ 1 (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]backup-simplify:  Simplify (log (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))) into (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))) in d1
* [misc]taylor:  Rewrote expression to (log (+ 1 (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))) in d1
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d1
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) (* (/ 1 (- d1)) (/ 1 (- d4))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]backup-simplify:  Simplify (- (/ -1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ (/ -1 d2) (/ 1 d3)) into (- (/ 1 d3) (/ 1 d2))
* [misc]backup-simplify:  Simplify (* -1 (- (/ 1 d3) (/ 1 d2))) into (* -1 (- (/ 1 d3) (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (* -1 (- (/ 1 d3) (/ 1 d2))) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)
* [misc]backup-simplify:  Simplify (+ 1 (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]backup-simplify:  Simplify (log (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))) into (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))) in d1
* [misc]taylor:  Rewrote expression to (log (+ 1 (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))))) in d1
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d1
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) (* (/ 1 (- d1)) (/ 1 (- d4))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]backup-simplify:  Simplify (- (/ -1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ (/ -1 d2) (/ 1 d3)) into (- (/ 1 d3) (/ 1 d2))
* [misc]backup-simplify:  Simplify (* -1 (- (/ 1 d3) (/ 1 d2))) into (* -1 (- (/ 1 d3) (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (* -1 (- (/ 1 d3) (/ 1 d2))) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)
* [misc]backup-simplify:  Simplify (+ 1 (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]backup-simplify:  Simplify (log (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))) into (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))) in d2
* [misc]taylor:  Rewrote expression to (+ (* (/ -1 d1) (- (/ 1 d3) (/ 1 d2))) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ -1 d1) (- (/ 1 d3) (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (/ -1 d1) in d2
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ -1 d1) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d3) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (* d1 d4) into (* d1 d4)
* [misc]backup-simplify:  Simplify (/ 1 (* d1 d4)) into (/ 1 (* d1 d4))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d3) 0) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 0 d1) (+ (* (/ -1 d1) (/ 0 d1)))) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d1) (/ 1 d3)) (* 0 -1)) into (- (/ 1 (* d1 d3)))
* [misc]backup-simplify:  Simplify (+ (- (/ 1 (* d1 d3))) (/ 1 (* d1 d4))) into (- (/ 1 (* d1 d4)) (/ 1 (* d1 d3)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d1 d4)) (/ 1 (* d1 d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d1 d4)) in d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (* d1 d4) into (* d1 d4)
* [misc]backup-simplify:  Simplify (/ 1 (* d1 d4)) into (/ 1 (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* d1 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d1 1) (* 0 0)) into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ (* d1 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d1) (/ 0 d1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 (* d1 d4)) 0) into (/ 1 (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* d1 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d1 1) (* 0 0)) into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ (* d1 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d1) (/ 0 d1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* 1 (/ (* (pow (* 1 0) 1)) (pow (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)))) 1) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 d1) (+ (* (/ -1 d1) (/ 0 d1)) (* 0 (/ 0 d1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d1) 0) (+ (* 0 (/ 1 d3)) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (+ (* d1 0) (* 0 d4)) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d1 d4)) (/ 0 (* d1 d4))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d1 0) (* 0 d4)) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d1 d4)) (/ 0 (* d1 d4))))) into 0
* [misc]backup-simplify:  Simplify (+ (* d1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d1) (/ 0 d1)) (* 0 (/ 0 d1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d1) (/ 0 d1)) (* 0 (/ 0 d1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* -1 (/ (* (pow (* 1 0) 2)) (pow (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)))) 2) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* * * * [misc]progress:  [ 2 / 3 ] generating series at (2 1 1)
* [misc]approximate:  Taking taylor expansion of (expm1 (fma d1 (- d2 d3) (* d1 d4))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (expm1 (fma d1 (- d2 d3) (* d1 d4))) in d4
* [misc]taylor:  Rewrote expression to (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma d1 (- d2 d3) (* d1 d4))) in d4
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in d4
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d2 d3)) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d2 d3)) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]backup-simplify:  Simplify (* d1 (- d2 d3)) into (* (- d2 d3) d1)
* [misc]backup-simplify:  Simplify (* d1 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- d2 d3) d1) 0) into (- (* d1 d2) (* d1 d3))
* [misc]backup-simplify:  Simplify (exp (- (* d1 d2) (* d1 d3))) into (exp (- (* d1 d2) (* d1 d3)))
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma d1 (- d2 d3) (* d1 d4))) in d3
* [misc]taylor:  Rewrote expression to (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma d1 (- d2 d3) (* d1 d4))) in d3
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in d3
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d2 d3)) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d2 d3)) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ d2 0) into d2
* [misc]backup-simplify:  Simplify (* d1 d2) into (* d1 d2)
* [misc]backup-simplify:  Simplify (* d1 d4) into (* d1 d4)
* [misc]backup-simplify:  Simplify (+ (* d1 d2) (* d1 d4)) into (+ (* d1 d2) (* d1 d4))
* [misc]backup-simplify:  Simplify (exp (+ (* d1 d2) (* d1 d4))) into (exp (+ (* d1 d2) (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma d1 (- d2 d3) (* d1 d4))) in d2
* [misc]taylor:  Rewrote expression to (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma d1 (- d2 d3) (* d1 d4))) in d2
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in d2
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d2 d3)) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d2 d3)) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ 0 (- d3)) into (- d3)
* [misc]backup-simplify:  Simplify (* d1 (- d3)) into (* -1 (* d1 d3))
* [misc]backup-simplify:  Simplify (* d1 d4) into (* d1 d4)
* [misc]backup-simplify:  Simplify (+ (* -1 (* d1 d3)) (* d1 d4)) into (- (* d1 d4) (* d1 d3))
* [misc]backup-simplify:  Simplify (exp (- (* d1 d4) (* d1 d3))) into (exp (- (* d1 d4) (* d1 d3)))
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma d1 (- d2 d3) (* d1 d4))) in d1
* [misc]taylor:  Rewrote expression to (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma d1 (- d2 d3) (* d1 d4))) in d1
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in d1
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d2 d3)) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d2 d3)) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]backup-simplify:  Simplify (* 0 (- d2 d3)) into 0
* [misc]backup-simplify:  Simplify (* 0 d4) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (- d2 d3))) into (- d2 d3)
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d4)) into d4
* [misc]backup-simplify:  Simplify (+ (- d2 d3) d4) into (- (+ d4 d2) d3)
* [misc]backup-simplify:  Simplify (exp 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma d1 (- d2 d3) (* d1 d4))) in d1
* [misc]taylor:  Rewrote expression to (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma d1 (- d2 d3) (* d1 d4))) in d1
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in d1
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d2 d3)) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d2 d3)) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]backup-simplify:  Simplify (* 0 (- d2 d3)) into 0
* [misc]backup-simplify:  Simplify (* 0 d4) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (- d2 d3))) into (- d2 d3)
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d4)) into d4
* [misc]backup-simplify:  Simplify (+ (- d2 d3) d4) into (- (+ d4 d2) d3)
* [misc]backup-simplify:  Simplify (exp 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 1 -1) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow (- (+ d4 d2) d3) 1) 1)))) into (- (+ d2 d4) d3)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (- (+ d2 d4) d3) 0) into (- (+ d4 d2) d3)
* [misc]taylor:  Taking taylor expansion of (- (+ d4 d2) d3) in d2
* [misc]taylor:  Taking taylor expansion of (+ d4 d2) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (+ d4 0) into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d4 (- d3)) into (- d4 d3)
* [misc]taylor:  Taking taylor expansion of (- d4 d3) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ d4 0) into d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (- d2 d3)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d4))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow (- (+ d4 d2) d3) 2) 2)) (* (/ (pow 0 1) 1)))) into (- (+ (* 1/2 (pow d2 2)) (+ (* 1/2 (pow d3 2)) (+ (* 1/2 (* d4 d2)) (+ (* 1/2 (pow d4 2)) (* 1/2 (* d2 d4)))))) (+ (* d3 d4) (* d3 d2)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (- (+ (* 1/2 (pow d2 2)) (+ (* 1/2 (pow d3 2)) (+ (* 1/2 (* d4 d2)) (+ (* 1/2 (pow d4 2)) (* 1/2 (* d2 d4)))))) (+ (* d3 d4) (* d3 d2))) 0) into (- (+ (* 1/2 (pow d2 2)) (+ (* 1/2 (pow d3 2)) (+ (* 1/2 (* d4 d2)) (+ (* 1/2 (pow d4 2)) (* 1/2 (* d2 d4)))))) (+ (* d3 d4) (* d3 d2)))
* [misc]taylor:  Taking taylor expansion of (- (+ (* 1/2 (pow d2 2)) (+ (* 1/2 (pow d3 2)) (+ (* 1/2 (* d4 d2)) (+ (* 1/2 (pow d4 2)) (* 1/2 (* d2 d4)))))) (+ (* d3 d4) (* d3 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (+ (* 1/2 (pow d2 2)) (+ (* 1/2 (pow d3 2)) (+ (* 1/2 (* d4 d2)) (+ (* 1/2 (pow d4 2)) (* 1/2 (* d2 d4)))))) in d2
* [misc]taylor:  Taking taylor expansion of (* 1/2 (pow d2 2)) in d2
* [misc]taylor:  Taking taylor expansion of 1/2 in d2
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]taylor:  Taking taylor expansion of (pow d2 2) in d2
* [misc]taylor:  Taking taylor expansion of (+ (* 1/2 (pow d3 2)) (+ (* 1/2 (* d4 d2)) (+ (* 1/2 (pow d4 2)) (* 1/2 (* d2 d4))))) in d2
* [misc]taylor:  Taking taylor expansion of (* 1/2 (pow d3 2)) in d2
* [misc]taylor:  Taking taylor expansion of 1/2 in d2
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]taylor:  Taking taylor expansion of (pow d3 2) in d2
* [misc]taylor:  Taking taylor expansion of (exp (* 2 (log d3))) in d2
* [misc]taylor:  Taking taylor expansion of (* 2 (log d3)) in d2
* [misc]taylor:  Taking taylor expansion of 2 in d2
* [misc]backup-simplify:  Simplify 2 into 2
* [misc]taylor:  Taking taylor expansion of (log d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (log d3) into (log d3)
* [misc]backup-simplify:  Simplify (* 2 (log d3)) into (* 2 (log d3))
* [misc]backup-simplify:  Simplify (exp (* 2 (log d3))) into (pow d3 2)
* [misc]taylor:  Taking taylor expansion of (+ (* 1/2 (* d4 d2)) (+ (* 1/2 (pow d4 2)) (* 1/2 (* d2 d4)))) in d2
* [misc]taylor:  Taking taylor expansion of (* 1/2 (* d4 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 1/2 in d2
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]taylor:  Taking taylor expansion of (* d4 d2) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (* 1/2 (pow d4 2)) (* 1/2 (* d2 d4))) in d2
* [misc]taylor:  Taking taylor expansion of (* 1/2 (pow d4 2)) in d2
* [misc]taylor:  Taking taylor expansion of 1/2 in d2
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]taylor:  Taking taylor expansion of (pow d4 2) in d2
* [misc]taylor:  Taking taylor expansion of (exp (* 2 (log d4))) in d2
* [misc]taylor:  Taking taylor expansion of (* 2 (log d4)) in d2
* [misc]taylor:  Taking taylor expansion of 2 in d2
* [misc]backup-simplify:  Simplify 2 into 2
* [misc]taylor:  Taking taylor expansion of (log d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (log d4) into (log d4)
* [misc]backup-simplify:  Simplify (* 2 (log d4)) into (* 2 (log d4))
* [misc]backup-simplify:  Simplify (exp (* 2 (log d4))) into (pow d4 2)
* [misc]taylor:  Taking taylor expansion of (* 1/2 (* d2 d4)) in d2
* [misc]taylor:  Taking taylor expansion of 1/2 in d2
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]taylor:  Taking taylor expansion of (* d2 d4) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (+ (* d3 d4) (* d3 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (* d3 d4) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (* d3 d2) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 1/2 (pow d3 2)) into (* 1/2 (pow d3 2))
* [misc]backup-simplify:  Simplify (* d4 0) into 0
* [misc]backup-simplify:  Simplify (* 1/2 0) into 0
* [misc]backup-simplify:  Simplify (* 1/2 (pow d4 2)) into (* 1/2 (pow d4 2))
* [misc]backup-simplify:  Simplify (* 0 d4) into 0
* [misc]backup-simplify:  Simplify (* 1/2 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 1/2 (pow d4 2)) 0) into (* 1/2 (pow d4 2))
* [misc]backup-simplify:  Simplify (+ 0 (* 1/2 (pow d4 2))) into (* 1/2 (pow d4 2))
* [misc]backup-simplify:  Simplify (+ (* 1/2 (pow d3 2)) (* 1/2 (pow d4 2))) into (+ (* 1/2 (pow d4 2)) (* 1/2 (pow d3 2)))
* [misc]backup-simplify:  Simplify (+ 0 (+ (* 1/2 (pow d4 2)) (* 1/2 (pow d3 2)))) into (+ (* 1/2 (pow d4 2)) (* 1/2 (pow d3 2)))
* [misc]backup-simplify:  Simplify (* d3 d4) into (* d3 d4)
* [misc]backup-simplify:  Simplify (* d3 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d3 d4) 0) into (* d3 d4)
* [misc]backup-simplify:  Simplify (- (* d3 d4)) into (- (* d3 d4))
* [misc]backup-simplify:  Simplify (+ (+ (* 1/2 (pow d4 2)) (* 1/2 (pow d3 2))) (- (* d3 d4))) into (- (+ (* 1/2 (pow d4 2)) (* 1/2 (pow d3 2))) (* d3 d4))
* [misc]taylor:  Taking taylor expansion of (- (+ (* 1/2 (pow d4 2)) (* 1/2 (pow d3 2))) (* d3 d4)) in d3
* [misc]taylor:  Taking taylor expansion of (+ (* 1/2 (pow d4 2)) (* 1/2 (pow d3 2))) in d3
* [misc]taylor:  Taking taylor expansion of (* 1/2 (pow d4 2)) in d3
* [misc]taylor:  Taking taylor expansion of 1/2 in d3
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]taylor:  Taking taylor expansion of (pow d4 2) in d3
* [misc]taylor:  Taking taylor expansion of (exp (* 2 (log d4))) in d3
* [misc]taylor:  Taking taylor expansion of (* 2 (log d4)) in d3
* [misc]taylor:  Taking taylor expansion of 2 in d3
* [misc]backup-simplify:  Simplify 2 into 2
* [misc]taylor:  Taking taylor expansion of (log d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (log d4) into (log d4)
* [misc]backup-simplify:  Simplify (* 2 (log d4)) into (* 2 (log d4))
* [misc]backup-simplify:  Simplify (exp (* 2 (log d4))) into (pow d4 2)
* [misc]taylor:  Taking taylor expansion of (* 1/2 (pow d3 2)) in d3
* [misc]taylor:  Taking taylor expansion of 1/2 in d3
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]taylor:  Taking taylor expansion of (pow d3 2) in d3
* [misc]taylor:  Taking taylor expansion of (* d3 d4) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (* 1/2 (pow d4 2)) into (* 1/2 (pow d4 2))
* [misc]backup-simplify:  Simplify (+ (* 1/2 (pow d4 2)) 0) into (* 1/2 (pow d4 2))
* [misc]backup-simplify:  Simplify (* 0 d4) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 1/2 (pow d4 2)) 0) into (* 1/2 (pow d4 2))
* [misc]taylor:  Taking taylor expansion of (* 1/2 (pow d4 2)) in d4
* [misc]taylor:  Taking taylor expansion of 1/2 in d4
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]taylor:  Taking taylor expansion of (pow d4 2) in d4
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* d4 (* 1 (* 1 d1)))) (+ (* -1 (* 1 (* d3 (* 1 d1)))) (* 1 (* 1 (* 1 (* d2 d1)))))) into (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* [misc]approximate:  Taking taylor expansion of (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d4
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d4
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in d4
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (* (/ 1 d1) (/ 1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (* (/ 1 d1) 1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d1)) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d3
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d3
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in d3
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (* (/ 1 d1) (/ 1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* (/ 1 d1) -1) into (/ -1 d1)
* [misc]backup-simplify:  Simplify (+ (/ -1 d1) 0) into (- (/ 1 d1))
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d2
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d2
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in d2
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (* (/ 1 d1) (/ 1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* (/ 1 d1) 1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ (/ 1 d1) 0) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d1
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (* (/ 1 d1) (/ 1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* 1 (- (/ 1 d2) (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d1
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (* (/ 1 d1) (/ 1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* 1 (- (/ 1 d2) (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4)))) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1) in d2
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) in d2
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))) in d2
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (* d1 d4) into (* d1 d4)
* [misc]backup-simplify:  Simplify (/ 1 (* d1 d4)) into (/ 1 (* d1 d4))
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* (/ 1 d1) 1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ (/ 1 d1) 0) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1) in d3
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) in d3
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))) in d3
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d1 d4)) in d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (* d1 d4) into (* d1 d4)
* [misc]backup-simplify:  Simplify (/ 1 (* d1 d4)) into (/ 1 (* d1 d4))
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* (/ 1 d1) -1) into (/ -1 d1)
* [misc]backup-simplify:  Simplify (+ (/ -1 d1) 0) into (- (/ 1 d1))
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1) in d4
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) in d4
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))) in d4
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* d1 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d1 1) (* 0 0)) into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d1)) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) into (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)
* [misc]backup-simplify:  Simplify (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1) into (- (exp (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (/ 1 (* d1 d4)))) 1)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (exp (fma (/ 1 (/ 1 d1)) (- (/ 1 (/ 1 d2)) (/ 1 (/ 1 d3))) (/ 1 (* (/ 1 d1) (/ 1 d4))))) 1) into (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)
* [misc]approximate:  Taking taylor expansion of (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d4
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d4
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d4
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) (* (/ 1 (- d1)) (/ 1 (- d4))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d4
* [misc]taylor:  Taking taylor expansion of (- d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (* (/ -1 d1) -1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d1)) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d3
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d3
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d3
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) (* (/ 1 (- d1)) (/ 1 (- d4))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d3
* [misc]taylor:  Taking taylor expansion of (- d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d3
* [misc]taylor:  Taking taylor expansion of (- d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* (/ -1 d1) 1) into (/ -1 d1)
* [misc]backup-simplify:  Simplify (+ (/ -1 d1) 0) into (- (/ 1 d1))
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d2
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d2
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d2
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) (* (/ 1 (- d1)) (/ 1 (- d4))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d2
* [misc]taylor:  Taking taylor expansion of (- d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d2
* [misc]taylor:  Taking taylor expansion of (- d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (* (/ -1 d1) -1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ (/ 1 d1) 0) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d1
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) (* (/ 1 (- d1)) (/ 1 (- d4))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]backup-simplify:  Simplify (- (/ -1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ (/ -1 d2) (/ 1 d3)) into (- (/ 1 d3) (/ 1 d2))
* [misc]backup-simplify:  Simplify (* -1 (- (/ 1 d3) (/ 1 d2))) into (* -1 (- (/ 1 d3) (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (* -1 (- (/ 1 d3) (/ 1 d2))) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (expm1 (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d1
* [misc]taylor:  Rewrote expression to (- (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) 1)
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) in d1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) (* (/ 1 (- d1)) (/ 1 (- d4))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]backup-simplify:  Simplify (- (/ -1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ (/ -1 d2) (/ 1 d3)) into (- (/ 1 d3) (/ 1 d2))
* [misc]backup-simplify:  Simplify (* -1 (- (/ 1 d3) (/ 1 d2))) into (* -1 (- (/ 1 d3) (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (* -1 (- (/ 1 d3) (/ 1 d2))) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (exp (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4))))) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1) in d2
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) in d2
* [misc]taylor:  Taking taylor expansion of (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))) in d2
* [misc]taylor:  Rewrote expression to (+ (* (/ -1 d1) (- (/ 1 d3) (/ 1 d2))) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ -1 d1) (- (/ 1 d3) (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (/ -1 d1) in d2
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ -1 d1) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d3) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (* d1 d4) into (* d1 d4)
* [misc]backup-simplify:  Simplify (/ 1 (* d1 d4)) into (/ 1 (* d1 d4))
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* (/ -1 d1) -1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ (/ 1 d1) 0) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1) in d3
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) in d3
* [misc]taylor:  Taking taylor expansion of (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))) in d3
* [misc]taylor:  Rewrote expression to (+ (* (/ -1 d1) (- (/ 1 d3) (/ 1 d2))) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ -1 d1) (- (/ 1 d3) (/ 1 d2))) in d3
* [misc]taylor:  Taking taylor expansion of (/ -1 d1) in d3
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ -1 d1) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d3) (/ 1 d2)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d1 d4)) in d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (* d1 d4) into (* d1 d4)
* [misc]backup-simplify:  Simplify (/ 1 (* d1 d4)) into (/ 1 (* d1 d4))
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* (/ -1 d1) 1) into (/ -1 d1)
* [misc]backup-simplify:  Simplify (+ (/ -1 d1) 0) into (- (/ 1 d1))
* [misc]backup-simplify:  Simplify (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)
* [misc]taylor:  Taking taylor expansion of (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1) in d4
* [misc]taylor:  Taking taylor expansion of (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) in d4
* [misc]taylor:  Taking taylor expansion of (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))) in d4
* [misc]taylor:  Rewrote expression to (+ (* (/ -1 d1) (- (/ 1 d3) (/ 1 d2))) (/ 1 (* d1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ -1 d1) (- (/ 1 d3) (/ 1 d2))) in d4
* [misc]taylor:  Taking taylor expansion of (/ -1 d1) in d4
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ -1 d1) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d3) (/ 1 d2)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* d1 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d1 1) (* 0 0)) into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d1)) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) into (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4))))
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) -1) into (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)
* [misc]backup-simplify:  Simplify (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1) into (- (exp (fma (/ -1 d1) (- (/ 1 d3) (/ 1 d2)) (/ 1 (* d1 d4)))) 1)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (exp (fma (/ -1 (/ 1 (- d1))) (- (/ 1 (/ 1 (- d3))) (/ 1 (/ 1 (- d2)))) (/ 1 (* (/ 1 (- d1)) (/ 1 (- d4)))))) 1) into (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)
* * * * [misc]progress:  [ 3 / 3 ] generating series at (2 1 1 1)
* [misc]approximate:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in d4
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d2 d3)) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d2 d3)) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in d3
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d2 d3)) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d2 d3)) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in d2
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d2 d3)) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d2 d3)) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in d1
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d2 d3)) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d2 d3)) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d2 d3) (* d1 d4)) in d1
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d2 d3)) (* d1 d4))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d2 d3)) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]backup-simplify:  Simplify (* 0 (- d2 d3)) into 0
* [misc]backup-simplify:  Simplify (* 0 d4) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (- d2 d3))) into (- d2 d3)
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d4)) into d4
* [misc]backup-simplify:  Simplify (+ (- d2 d3) d4) into (- (+ d4 d2) d3)
* [misc]taylor:  Taking taylor expansion of (- (+ d4 d2) d3) in d2
* [misc]taylor:  Taking taylor expansion of (+ d4 d2) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (+ d4 0) into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d4 (- d3)) into (- d4 d3)
* [misc]taylor:  Taking taylor expansion of (- d4 d3) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ d4 0) into d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (- d2 d3)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d4))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]approximate:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in d4
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (* (/ 1 d1) (/ 1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in d3
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (* (/ 1 d1) (/ 1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in d2
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (* (/ 1 d1) (/ 1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (* (/ 1 d1) (/ 1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d2) (/ 1 d3)) (* (/ 1 d1) (/ 1 d4))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) (* (/ 1 d1) (/ 1 d4)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d2) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* 1 (- (/ 1 d2) (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (- (/ 1 d2) (/ 1 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d4))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)) (* 0 (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (- (/ 1 d2) (/ 1 d3))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)) (* 0 (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 d2)) (/ 1 (/ 1 d1)))))) (+ (* -1 (* 1 (* (/ 1 (/ 1 d3)) (* 1 (/ 1 (/ 1 d1)))))) (* 1 (* (/ 1 (/ 1 d4)) (* 1 (* 1 (/ 1 (/ 1 d1)))))))) into (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* [misc]approximate:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d4
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) (* (/ 1 (- d1)) (/ 1 (- d4))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d4
* [misc]taylor:  Taking taylor expansion of (- d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d3
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) (* (/ 1 (- d1)) (/ 1 (- d4))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d3
* [misc]taylor:  Taking taylor expansion of (- d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d3
* [misc]taylor:  Taking taylor expansion of (- d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d2
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) (* (/ 1 (- d1)) (/ 1 (- d4))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d2
* [misc]taylor:  Taking taylor expansion of (- d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d2
* [misc]taylor:  Taking taylor expansion of (- d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) (* (/ 1 (- d1)) (/ 1 (- d4))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3))) (* (/ 1 (- d1)) (/ 1 (- d4)))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) (* (/ 1 (- d1)) (/ 1 (- d4))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d2)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d2)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]backup-simplify:  Simplify (- (/ -1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ (/ -1 d2) (/ 1 d3)) into (- (/ 1 d3) (/ 1 d2))
* [misc]backup-simplify:  Simplify (* -1 (- (/ 1 d3) (/ 1 d2))) into (* -1 (- (/ 1 d3) (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (* -1 (- (/ 1 d3) (/ 1 d2))) (/ 1 d4)) into (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (- (/ 1 d3) (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d4))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))) (* 0 (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (- (/ 1 d3) (/ 1 d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))) (* 0 (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 (- d2))) (/ 1 (/ 1 (- d1))))))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- d3))) (* 1 (/ 1 (/ 1 (- d1))))))) (* 1 (* (/ 1 (/ 1 (- d4))) (* 1 (* 1 (/ 1 (/ 1 (- d1))))))))) into (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log (+ 1 (expm1 (fma d1 (- d2 d3) (* d1 d4))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (+ 1 (expm1 (fma d1 (- d2 d3) (* d1 d4))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (57 enodes)
* * [misc]simplify:  iters left: 2 (96 enodes)
* * [misc]simplify:  iters left: 1 (143 enodes)
* [exit]simplify:  Simplified to (+ (expm1 (fma (- d4 d3) d1 (* d2 d1))) 1)
* [exit]simplify:  Simplified to (+ (expm1 (fma (- d4 d3) d1 (* d2 d1))) 1)
* * * * [misc]progress:  [ 2 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (expm1 (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (54 enodes)
* * [misc]simplify:  iters left: 2 (93 enodes)
* * [misc]simplify:  iters left: 1 (138 enodes)
* [exit]simplify:  Simplified to (expm1 (fma (- d2 d3) d1 (* d1 d4)))
* [exit]simplify:  Simplified to (expm1 (fma (- d2 d3) d1 (* d1 d4)))
* * * * [misc]progress:  [ 3 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (expm1 (log1p (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (log1p (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (54 enodes)
* * [misc]simplify:  iters left: 2 (91 enodes)
* * [misc]simplify:  iters left: 1 (134 enodes)
* [exit]simplify:  Simplified to (log1p (fma (- d2 d3) d1 (* d1 d4)))
* [exit]simplify:  Simplified to (log1p (fma (- d2 d3) d1 (* d1 d4)))
* * * * [misc]progress:  [ 4 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (fma d1 (- d2 d3) (* d1 d4)) (* d1 d1)))>
* * * * [misc]progress:  [ 5 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (pow (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))) 1) (* d1 d1)))>
* * * * [misc]progress:  [ 6 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (exp (log (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (log (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (57 enodes)
* * [misc]simplify:  iters left: 2 (96 enodes)
* * [misc]simplify:  iters left: 1 (141 enodes)
* [exit]simplify:  Simplified to (log (fma (- d4 d3) d1 (* d2 d1)))
* [exit]simplify:  Simplified to (log (fma (- d4 d3) d1 (* d2 d1)))
* * * * [misc]progress:  [ 7 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log (exp (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (exp (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (72 enodes)
* * [misc]simplify:  iters left: 2 (141 enodes)
* * [misc]simplify:  iters left: 1 (232 enodes)
* [exit]simplify:  Simplified to (exp (fma (- d2 d3) d1 (* d1 d4)))
* [exit]simplify:  Simplified to (exp (fma (- d2 d3) d1 (* d1 d4)))
* * * * [misc]progress:  [ 8 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* (* (cbrt (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4))))) (cbrt (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (cbrt (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (cbrt (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4))))) (cbrt (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4))))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (27 enodes)
* * [misc]simplify:  iters left: 3 (55 enodes)
* * [misc]simplify:  iters left: 2 (92 enodes)
* * [misc]simplify:  iters left: 1 (139 enodes)
* [exit]simplify:  Simplified to (* (cbrt (fma (- d2 d3) d1 (* d1 d4))) (cbrt (fma (- d2 d3) d1 (* d1 d4))))
* [exit]simplify:  Simplified to (* (cbrt (fma (- d2 d3) d1 (* d1 d4))) (cbrt (fma (- d2 d3) d1 (* d1 d4))))
* [enter]simplify:  Simplifying (cbrt (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (54 enodes)
* * [misc]simplify:  iters left: 2 (91 enodes)
* * [misc]simplify:  iters left: 1 (134 enodes)
* [exit]simplify:  Simplified to (cbrt (fma (- d2 d3) d1 (* d1 d4)))
* [exit]simplify:  Simplified to (cbrt (fma (- d2 d3) d1 (* d1 d4)))
* * * * [misc]progress:  [ 9 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (cbrt (* (* (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))) (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4))))) (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (* (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))) (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4))))) (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (42 enodes)
* * [misc]simplify:  iters left: 3 (190 enodes)
* [exit]simplify:  Simplified to (pow (fma (- d2 d3) d1 (* d1 d4)) 3)
* [exit]simplify:  Simplified to (pow (fma (- d2 d3) d1 (* d1 d4)) 3)
* * * * [misc]progress:  [ 10 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* (sqrt (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4))))) (sqrt (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (sqrt (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (54 enodes)
* * [misc]simplify:  iters left: 2 (91 enodes)
* * [misc]simplify:  iters left: 1 (134 enodes)
* [exit]simplify:  Simplified to (sqrt (fma (- d2 d3) d1 (* d1 d4)))
* [exit]simplify:  Simplified to (sqrt (fma (- d2 d3) d1 (* d1 d4)))
* [enter]simplify:  Simplifying (sqrt (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (54 enodes)
* * [misc]simplify:  iters left: 2 (91 enodes)
* * [misc]simplify:  iters left: 1 (134 enodes)
* [exit]simplify:  Simplified to (sqrt (fma (- d2 d3) d1 (* d1 d4)))
* [exit]simplify:  Simplified to (sqrt (fma (- d2 d3) d1 (* d1 d4)))
* * * * [misc]progress:  [ 11 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* 1 (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4))))) (* d1 d1)))>
* * * * [misc]progress:  [ 12 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (exp (fma d1 (- d2 d3) (* d1 d4)))
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (70 enodes)
* [exit]simplify:  Simplified to (exp (fma (- d2 d3) d1 (* d1 d4)))
* [exit]simplify:  Simplified to (exp (fma (- d2 d3) d1 (* d1 d4)))
* * * * [misc]progress:  [ 13 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (log1p (expm1 (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (expm1 (expm1 (fma d1 (- d2 d3) (* d1 d4))))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (94 enodes)
* [exit]simplify:  Simplified to (expm1 (expm1 (fma (- d2 d3) d1 (* d1 d4))))
* [exit]simplify:  Simplified to (expm1 (expm1 (fma (- d2 d3) d1 (* d1 d4))))
* * * * [misc]progress:  [ 14 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4))))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (91 enodes)
* [exit]simplify:  Simplified to (fma (- d2 d3) d1 (* d1 d4))
* [exit]simplify:  Simplified to (fma (- d2 d3) d1 (* d1 d4))
* * * * [misc]progress:  [ 15 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))) (* d1 d1)))>
* * * * [misc]progress:  [ 16 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (pow (expm1 (fma d1 (- d2 d3) (* d1 d4))) 1)) (* d1 d1)))>
* * * * [misc]progress:  [ 17 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (exp (log (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (log (expm1 (fma d1 (- d2 d3) (* d1 d4))))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (94 enodes)
* [exit]simplify:  Simplified to (log (expm1 (fma (- d2 d3) d1 (* d1 d4))))
* [exit]simplify:  Simplified to (log (expm1 (fma (- d2 d3) d1 (* d1 d4))))
* * * * [misc]progress:  [ 18 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (log (exp (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (exp (expm1 (fma d1 (- d2 d3) (* d1 d4))))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (94 enodes)
* [exit]simplify:  Simplified to (exp (expm1 (fma (- d2 d3) d1 (* d1 d4))))
* [exit]simplify:  Simplified to (exp (expm1 (fma (- d2 d3) d1 (* d1 d4))))
* * * * [misc]progress:  [ 19 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (* (* (cbrt (expm1 (fma d1 (- d2 d3) (* d1 d4)))) (cbrt (expm1 (fma d1 (- d2 d3) (* d1 d4))))) (cbrt (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (cbrt (expm1 (fma d1 (- d2 d3) (* d1 d4)))) (cbrt (expm1 (fma d1 (- d2 d3) (* d1 d4)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (54 enodes)
* * [misc]simplify:  iters left: 2 (91 enodes)
* * [misc]simplify:  iters left: 1 (136 enodes)
* [exit]simplify:  Simplified to (* (cbrt (expm1 (fma (- d2 d3) d1 (* d1 d4)))) (cbrt (expm1 (fma (- d2 d3) d1 (* d1 d4)))))
* [exit]simplify:  Simplified to (* (cbrt (expm1 (fma (- d2 d3) d1 (* d1 d4)))) (cbrt (expm1 (fma (- d2 d3) d1 (* d1 d4)))))
* [enter]simplify:  Simplifying (cbrt (expm1 (fma d1 (- d2 d3) (* d1 d4))))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (94 enodes)
* [exit]simplify:  Simplified to (cbrt (expm1 (fma (- d2 d3) d1 (* d1 d4))))
* [exit]simplify:  Simplified to (cbrt (expm1 (fma (- d2 d3) d1 (* d1 d4))))
* * * * [misc]progress:  [ 20 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (cbrt (* (* (expm1 (fma d1 (- d2 d3) (* d1 d4))) (expm1 (fma d1 (- d2 d3) (* d1 d4)))) (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (* (expm1 (fma d1 (- d2 d3) (* d1 d4))) (expm1 (fma d1 (- d2 d3) (* d1 d4)))) (expm1 (fma d1 (- d2 d3) (* d1 d4))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (57 enodes)
* * [misc]simplify:  iters left: 2 (95 enodes)
* * [misc]simplify:  iters left: 1 (140 enodes)
* [exit]simplify:  Simplified to (pow (expm1 (fma (- d2 d3) d1 (* d1 d4))) 3)
* [exit]simplify:  Simplified to (pow (expm1 (fma (- d2 d3) d1 (* d1 d4))) 3)
* * * * [misc]progress:  [ 21 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (* (sqrt (expm1 (fma d1 (- d2 d3) (* d1 d4)))) (sqrt (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (sqrt (expm1 (fma d1 (- d2 d3) (* d1 d4))))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (94 enodes)
* [exit]simplify:  Simplified to (sqrt (expm1 (fma (- d2 d3) d1 (* d1 d4))))
* [exit]simplify:  Simplified to (sqrt (expm1 (fma (- d2 d3) d1 (* d1 d4))))
* [enter]simplify:  Simplifying (sqrt (expm1 (fma d1 (- d2 d3) (* d1 d4))))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (94 enodes)
* [exit]simplify:  Simplified to (sqrt (expm1 (fma (- d2 d3) d1 (* d1 d4))))
* [exit]simplify:  Simplified to (sqrt (expm1 (fma (- d2 d3) d1 (* d1 d4))))
* * * * [misc]progress:  [ 22 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (* 1 (expm1 (fma d1 (- d2 d3) (* d1 d4))))) (* d1 d1)))>
* * * * [misc]progress:  [ 23 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (expm1 (fma d1 (- d2 d3) (* d1 d4)))
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (52 enodes)
* [exit]simplify:  Simplified to (expm1 (fma (- d2 d3) d1 (* d1 d4)))
* [exit]simplify:  Simplified to (expm1 (fma (- d2 d3) d1 (* d1 d4)))
* * * * [misc]progress:  [ 24 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (expm1 (log1p (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (log1p (fma d1 (- d2 d3) (* d1 d4)))
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (52 enodes)
* [exit]simplify:  Simplified to (log1p (fma (- d2 d3) d1 (* d1 d4)))
* [exit]simplify:  Simplified to (log1p (fma (- d2 d3) d1 (* d1 d4)))
* * * * [misc]progress:  [ 25 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (+ (* d1 (- d2 d3)) (* d1 d4)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* d1 (- d2 d3))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* * [misc]simplify:  iters left: 1 (23 enodes)
* [exit]simplify:  Simplified to (* (- d2 d3) d1)
* [exit]simplify:  Simplified to (* (- d2 d3) d1)
* * * * [misc]progress:  [ 26 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (pow (fma d1 (- d2 d3) (* d1 d4)) 1))) (* d1 d1)))>
* * * * [misc]progress:  [ 27 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (exp (log (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (log (fma d1 (- d2 d3) (* d1 d4)))
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (55 enodes)
* [exit]simplify:  Simplified to (log (fma (- d2 d3) d1 (* d1 d4)))
* [exit]simplify:  Simplified to (log (fma (- d2 d3) d1 (* d1 d4)))
* * * * [misc]progress:  [ 28 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (log (exp (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (exp (fma d1 (- d2 d3) (* d1 d4)))
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (70 enodes)
* [exit]simplify:  Simplified to (exp (fma (- d2 d3) d1 (* d1 d4)))
* [exit]simplify:  Simplified to (exp (fma (- d2 d3) d1 (* d1 d4)))
* * * * [misc]progress:  [ 29 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (* (* (cbrt (fma d1 (- d2 d3) (* d1 d4))) (cbrt (fma d1 (- d2 d3) (* d1 d4)))) (cbrt (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (cbrt (fma d1 (- d2 d3) (* d1 d4))) (cbrt (fma d1 (- d2 d3) (* d1 d4))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (53 enodes)
* * [misc]simplify:  iters left: 2 (94 enodes)
* * [misc]simplify:  iters left: 1 (139 enodes)
* [exit]simplify:  Simplified to (* (cbrt (fma (- d4 d3) d1 (* d2 d1))) (cbrt (fma (- d4 d3) d1 (* d2 d1))))
* [exit]simplify:  Simplified to (* (cbrt (fma (- d4 d3) d1 (* d2 d1))) (cbrt (fma (- d4 d3) d1 (* d2 d1))))
* [enter]simplify:  Simplifying (cbrt (fma d1 (- d2 d3) (* d1 d4)))
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (52 enodes)
* [exit]simplify:  Simplified to (cbrt (fma (- d2 d3) d1 (* d1 d4)))
* [exit]simplify:  Simplified to (cbrt (fma (- d2 d3) d1 (* d1 d4)))
* * * * [misc]progress:  [ 30 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (cbrt (* (* (fma d1 (- d2 d3) (* d1 d4)) (fma d1 (- d2 d3) (* d1 d4))) (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (* (fma d1 (- d2 d3) (* d1 d4)) (fma d1 (- d2 d3) (* d1 d4))) (fma d1 (- d2 d3) (* d1 d4)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (188 enodes)
* [exit]simplify:  Simplified to (pow (fma (- d2 d3) d1 (* d1 d4)) 3)
* [exit]simplify:  Simplified to (pow (fma (- d2 d3) d1 (* d1 d4)) 3)
* * * * [misc]progress:  [ 31 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (* (sqrt (fma d1 (- d2 d3) (* d1 d4))) (sqrt (fma d1 (- d2 d3) (* d1 d4)))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (sqrt (fma d1 (- d2 d3) (* d1 d4)))
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (52 enodes)
* [exit]simplify:  Simplified to (sqrt (fma (- d2 d3) d1 (* d1 d4)))
* [exit]simplify:  Simplified to (sqrt (fma (- d2 d3) d1 (* d1 d4)))
* [enter]simplify:  Simplifying (sqrt (fma d1 (- d2 d3) (* d1 d4)))
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (52 enodes)
* [exit]simplify:  Simplified to (sqrt (fma (- d2 d3) d1 (* d1 d4)))
* [exit]simplify:  Simplified to (sqrt (fma (- d2 d3) d1 (* d1 d4)))
* * * * [misc]progress:  [ 32 / 41 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (* 1 (fma d1 (- d2 d3) (* d1 d4))))) (* d1 d1)))>
* * * * [misc]progress:  [ 33 / 41 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- 0 (* d1 d1)))>
* [enter]simplify:  Simplifying (- 0 (* d1 d1))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (17 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 34 / 41 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- 0 (* d1 d1)))>
* [enter]simplify:  Simplifying (- 0 (* d1 d1))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (17 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 35 / 41 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- 0 (* d1 d1)))>
* [enter]simplify:  Simplifying (- 0 (* d1 d1))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (17 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 36 / 41 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (log1p (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (log1p (- (+ (* d1 d2) (* d1 d4)) (* d1 d3))) (* d1 d1))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (57 enodes)
* * [misc]simplify:  iters left: 3 (95 enodes)
* * [misc]simplify:  iters left: 2 (134 enodes)
* * [misc]simplify:  iters left: 1 (160 enodes)
* [exit]simplify:  Simplified to (- (log1p (fma (- d4 d3) d1 (* d2 d1))) (* d1 d1))
* * * * [misc]progress:  [ 37 / 41 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (log1p (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (log1p (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (45 enodes)
* * [misc]simplify:  iters left: 3 (110 enodes)
* * [misc]simplify:  iters left: 2 (259 enodes)
* [exit]simplify:  Simplified to (* (+ (- d4 d1) (- d2 d3)) d1)
* * * * [misc]progress:  [ 38 / 41 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (log1p (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (log1p (- (exp (fma d1 (- d2 d3) (* d1 d4))) 1)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (45 enodes)
* * [misc]simplify:  iters left: 3 (110 enodes)
* * [misc]simplify:  iters left: 2 (259 enodes)
* [exit]simplify:  Simplified to (* (+ (- d4 d1) (- d2 d3)) d1)
* * * * [misc]progress:  [ 39 / 41 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (log1p (expm1 0)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (log1p (expm1 0)) (* d1 d1))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (- (* d1 d1))
* * * * [misc]progress:  [ 40 / 41 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (log1p (expm1 (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (log1p (expm1 (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)))) (* d1 d1))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (70 enodes)
* * [misc]simplify:  iters left: 3 (189 enodes)
* * [misc]simplify:  iters left: 2 (432 enodes)
* [exit]simplify:  Simplified to (* (- (+ d4 d2) (+ d3 d1)) d1)
* * * * [misc]progress:  [ 41 / 41 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (log1p (expm1 (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (log1p (expm1 (- (+ (* d1 d2) (* d1 d4)) (* d1 d3)))) (* d1 d1))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (70 enodes)
* * [misc]simplify:  iters left: 3 (189 enodes)
* * [misc]simplify:  iters left: 2 (432 enodes)
* [exit]simplify:  Simplified to (* (- (+ d4 d2) (+ d3 d1)) d1)
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime-changes:  Finding splitpoints for: (#<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (fma d1 (- d2 d3) (* d1 d4)))) (* d1 d1)))> #<alt-delta (λ (d1 d2 d3 d4) (* d1 (+ (- d4 d1) (- d2 d3))))> #<alt-delta (λ (d1 d2 d3 d4) (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))>)
* [misc]regimes:  Found splitpoints: (#s(sp 0 (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) +nan.0)) , with alts (#<alt-delta (λ (d1 d2 d3 d4) (- (+ (fma d1 d2 (- (* d3 d1))) (* d1 d4)) (* d1 d1)))>)
* * * * [misc]points:  Sampling 8010 additional inputs, have 0 / 8000
* * * * [misc]points:  Computing 8010 additional correct outputs
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 2673 additional inputs, have 5337 / 8000
* * * * [misc]points:  Computing 2673 additional correct outputs
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 887 additional inputs, have 7123 / 8000
* * * * [misc]points:  Computing 887 additional correct outputs
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 277 additional inputs, have 7733 / 8000
* * * * [misc]points:  Computing 277 additional correct outputs
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 90 additional inputs, have 7920 / 8000
* * * * [misc]points:  Computing 90 additional correct outputs
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 24 additional inputs, have 7986 / 8000
* * * * [misc]points:  Computing 24 additional correct outputs
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Setting precision to 128
* * * * [misc]points:  Setting precision to 384
* * * * [misc]points:  Filtering points with unrepresentable outputs