* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * [misc]progress:  [2/2] Setting up program.
* [enter]simplify:  Simplifying (* (+ a (+ b (+ c d))) 2)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (59 enodes)
* * [misc]simplify:  iters left: 2 (117 enodes)
* * [misc]simplify:  iters left: 1 (152 enodes)
* [exit]simplify:  Simplified to (* (+ (+ a b) (+ c d)) 2)
* [misc]progress:  [Phase 2 of 3] Improving.
* * [misc]progress:  iteration 1 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-event (λ (a b c d) (* (+ a (+ b (+ c d))) 2))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (+ a (+ b (+ c d))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ a (+ b (+ c d))) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of (+ c d) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ a (+ b (+ c d))) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of (+ c d) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ a (+ b (+ c d))) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ c d) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ a (+ b (+ c d))) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of (+ c d) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ a (+ b (+ c d))) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of (+ c d) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ c d) into (+ c d)
* [misc]backup-simplify:  Simplify (+ b (+ c d)) into (+ b (+ c d))
* [misc]backup-simplify:  Simplify (+ 0 (+ b (+ c d))) into (+ b (+ c d))
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ c d) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ c d) into (+ c d)
* [misc]backup-simplify:  Simplify (+ 0 (+ c d)) into (+ c d)
* [misc]taylor:  Taking taylor expansion of (+ c d) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ 0 d) into d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 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 b
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* c (* 1 1)))) (+ (* 1 (* 1 (* 1 (* b 1)))) (* 1 (* 1 (* 1 (* 1 a)))))) into (+ b (+ c a))
* [misc]approximate:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 c) (/ 1 d)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 b) (+ (/ 1 c) (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 b) (+ (/ 1 c) (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in b
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 c) (/ 1 d)) into (+ (/ 1 d) (/ 1 c))
* [misc]backup-simplify:  Simplify (+ (/ 1 b) (+ (/ 1 d) (/ 1 c))) into (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))
* [misc]backup-simplify:  Simplify (+ 0 (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))) into (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 b) (/ 0 b)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 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 b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 c)) into (+ (/ 1 d) (/ 1 c))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 (+ 0 1) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [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 b) (/ 0 b)) (* 0 (/ 0 b)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 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 b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) 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 c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d) 0) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [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 b)) 1)))) (+ (* 1 (* 1 (* (/ 1 (/ 1 c)) (* 1 1)))) (* 1 (* (/ 1 (/ 1 d)) (* 1 (* 1 1)))))) into (+ b (+ c d))
* [misc]approximate:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in d
* [misc]taylor:  Taking taylor expansion of (- a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in d
* [misc]taylor:  Taking taylor expansion of (- b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in d
* [misc]taylor:  Taking taylor expansion of (- c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in d
* [misc]taylor:  Taking taylor expansion of (- d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in c
* [misc]taylor:  Taking taylor expansion of (- a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in c
* [misc]taylor:  Taking taylor expansion of (- b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in c
* [misc]taylor:  Taking taylor expansion of (- c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 (- d)) in c
* [misc]taylor:  Taking taylor expansion of (- d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in b
* [misc]taylor:  Taking taylor expansion of (- a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in b
* [misc]taylor:  Taking taylor expansion of (- b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 (- c)) (/ 1 (- d))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in b
* [misc]taylor:  Taking taylor expansion of (- c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in b
* [misc]taylor:  Taking taylor expansion of (- d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in a
* [misc]taylor:  Taking taylor expansion of (- b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in a
* [misc]taylor:  Taking taylor expansion of (- c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in a
* [misc]taylor:  Taking taylor expansion of (- d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in a
* [misc]taylor:  Taking taylor expansion of (- b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in a
* [misc]taylor:  Taking taylor expansion of (- c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in a
* [misc]taylor:  Taking taylor expansion of (- d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]taylor:  Taking taylor expansion of -1 in b
* [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 c) (/ -1 d)) into (- (+ (/ 1 d) (/ 1 c)))
* [misc]backup-simplify:  Simplify (+ (/ -1 b) (- (+ (/ 1 d) (/ 1 c)))) into (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))))
* [misc]backup-simplify:  Simplify (+ 0 (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))))) into (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in c
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in c
* [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 (- b) into (- b)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 b) (/ 0 (- b))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 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 b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 c)) into (+ (/ 1 d) (/ 1 c))
* [misc]backup-simplify:  Simplify (- (+ (/ 1 d) (/ 1 c))) into (- (+ (/ 1 d) (/ 1 c)))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (/ 1 c))) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [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 (- b) into (- b)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 b) (/ 0 (- b))) (* 0 (/ 0 (- b))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))) (* 0 (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))) (* 0 (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 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 b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) 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]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d) 0) into (/ 1 d)
* [misc]backup-simplify:  Simplify (- (/ 1 d)) into (- (/ 1 d))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [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 (- b))) 1)))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- c))) (* 1 1)))) (* -1 (* (/ 1 (/ 1 (- d))) (* 1 (* 1 1)))))) into (+ b (+ c d))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2 1)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 14 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ b (+ c a)) 2))>
* [enter]simplify:  Simplifying (* (+ b (+ c a)) 2)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (42 enodes)
* * [misc]simplify:  iters left: 2 (48 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (* (+ a (+ b c)) 2)
* * * * [misc]progress:  [ 2 / 14 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ b (+ c d)) 2))>
* [enter]simplify:  Simplifying (* (+ b (+ c d)) 2)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (42 enodes)
* * [misc]simplify:  iters left: 2 (48 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (* (+ d (+ b c)) 2)
* * * * [misc]progress:  [ 3 / 14 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ b (+ c d)) 2))>
* [enter]simplify:  Simplifying (* (+ b (+ c d)) 2)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (42 enodes)
* * [misc]simplify:  iters left: 2 (48 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (* (+ d (+ b c)) 2)
* * * * [misc]progress:  [ 4 / 14 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (pow (+ a (+ b (+ c d))) 1) 2))>
* * * * [misc]progress:  [ 5 / 14 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (exp (log (+ a (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (log (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (log (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (log (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 6 / 14 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log (exp (+ a (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (exp (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (54 enodes)
* * [misc]simplify:  iters left: 2 (98 enodes)
* * [misc]simplify:  iters left: 1 (118 enodes)
* [exit]simplify:  Simplified to (exp (+ (+ a b) (+ c d)))
* [exit]simplify:  Simplified to (exp (+ (+ a b) (+ c d)))
* * * * [misc]progress:  [ 7 / 14 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cube (cbrt (+ a (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (cbrt (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (cbrt (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 8 / 14 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (+ a (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (cube (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (115 enodes)
* * [misc]simplify:  iters left: 2 (498 enodes)
* [exit]simplify:  Simplified to (cube (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (cube (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 9 / 14 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (sqr (sqrt (+ a (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (sqrt (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (sqrt (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 10 / 14 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (* 1 (+ a (+ b (+ c d)))) 2))>
* * * * [misc]progress:  [ 11 / 14 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (- (pow a 3) (pow (+ b (+ c d)) 3)) (+ (sqr a) (- (sqr (+ b (+ c d))) (* a (+ b (+ c d)))))) 2))>
* [enter]simplify:  Simplifying (- (pow a 3) (pow (+ b (+ c d)) 3))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (150 enodes)
* * [misc]simplify:  iters left: 1 (304 enodes)
* [exit]simplify:  Simplified to (- (cube a) (cube (+ (+ c b) d)))
* [exit]simplify:  Simplified to (- (cube a) (cube (+ (+ c b) d)))
* [enter]simplify:  Simplifying (+ (sqr a) (- (sqr (+ b (+ c d))) (* a (+ b (+ c d)))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (58 enodes)
* * [misc]simplify:  iters left: 3 (130 enodes)
* * [misc]simplify:  iters left: 2 (256 enodes)
* * [misc]simplify:  iters left: 1 (381 enodes)
* [exit]simplify:  Simplified to (+ (sqr a) (* (+ (- b a) (+ d c)) (+ (+ b c) d)))
* [exit]simplify:  Simplified to (+ (sqr a) (* (+ (- b a) (+ d c)) (+ (+ b c) d)))
* * * * [misc]progress:  [ 12 / 14 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (- (sqr a) (sqr (+ b (+ c d)))) (- a (+ b (+ c d)))) 2))>
* [enter]simplify:  Simplifying (- (sqr a) (sqr (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (133 enodes)
* * [misc]simplify:  iters left: 2 (286 enodes)
* * [misc]simplify:  iters left: 1 (428 enodes)
* [exit]simplify:  Simplified to (* (+ (+ d a) (+ b c)) (- (- a c) (+ d b)))
* [exit]simplify:  Simplified to (* (+ (+ d a) (+ b c)) (- (- a c) (+ d b)))
* [enter]simplify:  Simplifying (- a (+ b (+ c d)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (37 enodes)
* [exit]simplify:  Simplified to (- (- a d) (+ c b))
* [exit]simplify:  Simplified to (- (- a d) (+ c b))
* * * * [misc]progress:  [ 13 / 14 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ (+ a b) (+ c d)) 2))>
* [enter]simplify:  Simplifying (+ a b)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (+ a b)
* [exit]simplify:  Simplified to (+ a b)
* * * * [misc]progress:  [ 14 / 14 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ (+ b (+ c d)) a) 2))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (a b c d) (* (cbrt (cube (+ a (+ b (+ c d))))) 2))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 3 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (cbrt (cube (+ a (+ b (+ c d))))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ a (+ b (+ c d))))) in d
* [misc]backup-simplify:  Simplify (cbrt (cube (+ a (+ b (+ c d))))) into (+ b (+ c (+ d a)))
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ a (+ b (+ c d))))) in c
* [misc]backup-simplify:  Simplify (cbrt (cube (+ a (+ b (+ c d))))) into (+ b (+ c (+ d a)))
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ a (+ b (+ c d))))) in b
* [misc]backup-simplify:  Simplify (cbrt (cube (+ a (+ b (+ c d))))) into (+ b (+ c (+ d a)))
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ a (+ b (+ c d))))) in a
* [misc]backup-simplify:  Simplify (cbrt (cube (+ a (+ b (+ c d))))) into (+ b (+ c (+ d a)))
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ a (+ b (+ c d))))) in a
* [misc]backup-simplify:  Simplify (cbrt (cube (+ a (+ b (+ c d))))) into (+ b (+ c (+ d a)))
* [misc]taylor:  Taking taylor expansion of (+ b (+ c (+ d a))) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ c (+ d a)) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of (+ d a) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (+ d a) into (+ d a)
* [misc]backup-simplify:  Simplify (+ c (+ d a)) into (+ c (+ d a))
* [misc]backup-simplify:  Simplify (+ 0 (+ c (+ d a))) into (+ c (+ d a))
* [misc]taylor:  Taking taylor expansion of (+ c (+ d a)) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ d a) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (+ d a) into (+ d a)
* [misc]backup-simplify:  Simplify (+ 0 (+ d a)) into (+ d a)
* [misc]taylor:  Taking taylor expansion of (+ d a) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (+ 0 a) into a
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [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 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* c (* 1 1)))) (+ (* 1 (* 1 (* 1 (* b 1)))) a)) into (+ b (+ c a))
* [misc]approximate:  Taking taylor expansion of (cbrt (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))))) in d
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))))) into (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))))) in c
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))))) into (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))))) in b
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))))) into (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))))) in a
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))))) into (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))))) in a
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))))) into (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 c) (/ 1 a)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 c) (/ 1 a)) into (+ (/ 1 c) (/ 1 a))
* [misc]backup-simplify:  Simplify (+ 0 (+ (/ 1 c) (/ 1 a))) into (+ (/ 1 c) (/ 1 a))
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (+ (/ 1 c) (/ 1 a))) into (+ (/ 1 d) (+ (/ 1 c) (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 c) (/ 1 a))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 a)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 a)) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 a)) into (+ (/ 1 d) (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 a)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 a)) into (/ 1 a)
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 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 c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)))) 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 d
* [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 a) (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]approximate:  Taking taylor expansion of (cbrt (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))))) in d
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))))) into (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))))) in c
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))))) into (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))))) in b
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))))) into (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))))) in a
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))))) into (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))))) in a
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))))) into (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 c) (/ 1 a)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 c) (/ 1 a)) into (+ (/ 1 c) (/ 1 a))
* [misc]backup-simplify:  Simplify (+ 0 (+ (/ 1 c) (/ 1 a))) into (+ (/ 1 c) (/ 1 a))
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (+ (/ 1 c) (/ 1 a))) into (+ (/ 1 d) (+ (/ 1 c) (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (/ 1 d) (+ (/ 1 c) (/ 1 a)))) into (- (+ (/ 1 d) (+ (/ 1 c) (/ 1 a))))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (+ (/ 1 c) (/ 1 a)))) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 c) (/ 1 a))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 a)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 a)) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 a)) into (+ (/ 1 d) (/ 1 a))
* [misc]backup-simplify:  Simplify (- (+ (/ 1 d) (/ 1 a))) into (- (+ (/ 1 d) (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (/ 1 a))) in d
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 a)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 a)) into (/ 1 a)
* [misc]backup-simplify:  Simplify (- (/ 1 a)) into (- (/ 1 a))
* [misc]backup-simplify:  Simplify (- (/ 1 a)) into (- (/ 1 a))
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 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]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)))) 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]taylor:  Taking taylor expansion of 0 in d
* [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 a) (/ 0 a)))) 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]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 1 a)) into (- (/ 1 a))
* * * * [misc]progress:  [ 2 / 3 ] generating series at (2 1 1)
* [misc]approximate:  Taking taylor expansion of (cube (+ a (+ b (+ c d)))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (cube (+ a (+ b (+ c d)))) in d
* [misc]backup-simplify:  Simplify (cube (+ a (+ b (+ c d)))) into (cube (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of (cube (+ a (+ b (+ c d)))) in c
* [misc]backup-simplify:  Simplify (cube (+ a (+ b (+ c d)))) into (cube (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of (cube (+ a (+ b (+ c d)))) in b
* [misc]backup-simplify:  Simplify (cube (+ a (+ b (+ c d)))) into (cube (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of (cube (+ a (+ b (+ c d)))) in a
* [misc]backup-simplify:  Simplify (cube (+ a (+ b (+ c d)))) into (cube (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of (cube (+ a (+ b (+ c d)))) in a
* [misc]backup-simplify:  Simplify (cube (+ a (+ b (+ c d)))) into (cube (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of (cube (+ b (+ c (+ d a)))) in b
* [misc]backup-simplify:  Simplify (cube (+ b (+ c (+ d a)))) into (cube (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of (cube (+ b (+ c (+ d a)))) in c
* [misc]backup-simplify:  Simplify (cube (+ b (+ c (+ d a)))) into (cube (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of (cube (+ b (+ c (+ d a)))) in d
* [misc]backup-simplify:  Simplify (cube (+ b (+ c (+ d a)))) into (cube (+ b (+ c (+ d a))))
* [misc]backup-simplify:  Simplify (cube (+ b (+ c (+ d a)))) into (cube (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (cube (+ b (+ c (+ d a)))) into (cube (+ b (+ c (+ d a))))
* [misc]approximate:  Taking taylor expansion of (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))))) in d
* [misc]backup-simplify:  Simplify (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))))) into (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))))) in c
* [misc]backup-simplify:  Simplify (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))))) into (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))))) in b
* [misc]backup-simplify:  Simplify (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))))) into (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))))) in a
* [misc]backup-simplify:  Simplify (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))))) into (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))))) in a
* [misc]backup-simplify:  Simplify (cube (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))))) into (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) in b
* [misc]backup-simplify:  Simplify (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) into (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) in c
* [misc]backup-simplify:  Simplify (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) into (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) in d
* [misc]backup-simplify:  Simplify (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) into (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]backup-simplify:  Simplify (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) into (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) into (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]approximate:  Taking taylor expansion of (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))))) in d
* [misc]backup-simplify:  Simplify (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))))) into (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))))) in c
* [misc]backup-simplify:  Simplify (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))))) into (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))))) in b
* [misc]backup-simplify:  Simplify (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))))) into (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))))) in a
* [misc]backup-simplify:  Simplify (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))))) into (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))))) in a
* [misc]backup-simplify:  Simplify (cube (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))))) into (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) in b
* [misc]backup-simplify:  Simplify (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) into (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) in c
* [misc]backup-simplify:  Simplify (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) into (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) in d
* [misc]backup-simplify:  Simplify (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) into (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]backup-simplify:  Simplify (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) into (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) into (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* * * * [misc]progress:  [ 3 / 3 ] generating series at (2 1 1 1)
* [misc]approximate:  Taking taylor expansion of (+ a (+ b (+ c d))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ a (+ b (+ c d))) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of (+ c d) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ a (+ b (+ c d))) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of (+ c d) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ a (+ b (+ c d))) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ c d) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ a (+ b (+ c d))) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of (+ c d) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ a (+ b (+ c d))) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of (+ c d) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ c d) into (+ c d)
* [misc]backup-simplify:  Simplify (+ b (+ c d)) into (+ b (+ c d))
* [misc]backup-simplify:  Simplify (+ 0 (+ b (+ c d))) into (+ b (+ c d))
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ c d) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ c d) into (+ c d)
* [misc]backup-simplify:  Simplify (+ 0 (+ c d)) into (+ c d)
* [misc]taylor:  Taking taylor expansion of (+ c d) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ 0 d) into d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 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 b
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* c (* 1 1)))) (+ (* 1 (* 1 (* 1 (* b 1)))) (* 1 (* 1 (* 1 (* 1 a)))))) into (+ b (+ c a))
* [misc]approximate:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 c) (/ 1 d)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 b) (+ (/ 1 c) (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 b) (+ (/ 1 c) (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in b
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 c) (/ 1 d)) into (+ (/ 1 d) (/ 1 c))
* [misc]backup-simplify:  Simplify (+ (/ 1 b) (+ (/ 1 d) (/ 1 c))) into (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))
* [misc]backup-simplify:  Simplify (+ 0 (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))) into (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 b) (/ 0 b)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 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 b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 c)) into (+ (/ 1 d) (/ 1 c))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 (+ 0 1) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [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 b) (/ 0 b)) (* 0 (/ 0 b)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 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 b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) 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 c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d) 0) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [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 b)) 1)))) (+ (* 1 (* 1 (* (/ 1 (/ 1 c)) (* 1 1)))) (* 1 (* (/ 1 (/ 1 d)) (* 1 (* 1 1)))))) into (+ b (+ c d))
* [misc]approximate:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in d
* [misc]taylor:  Taking taylor expansion of (- a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in d
* [misc]taylor:  Taking taylor expansion of (- b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in d
* [misc]taylor:  Taking taylor expansion of (- c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in d
* [misc]taylor:  Taking taylor expansion of (- d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in c
* [misc]taylor:  Taking taylor expansion of (- a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in c
* [misc]taylor:  Taking taylor expansion of (- b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in c
* [misc]taylor:  Taking taylor expansion of (- c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 (- d)) in c
* [misc]taylor:  Taking taylor expansion of (- d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in b
* [misc]taylor:  Taking taylor expansion of (- a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in b
* [misc]taylor:  Taking taylor expansion of (- b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 (- c)) (/ 1 (- d))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in b
* [misc]taylor:  Taking taylor expansion of (- c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in b
* [misc]taylor:  Taking taylor expansion of (- d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in a
* [misc]taylor:  Taking taylor expansion of (- b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in a
* [misc]taylor:  Taking taylor expansion of (- c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in a
* [misc]taylor:  Taking taylor expansion of (- d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in a
* [misc]taylor:  Taking taylor expansion of (- b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in a
* [misc]taylor:  Taking taylor expansion of (- c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in a
* [misc]taylor:  Taking taylor expansion of (- d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]taylor:  Taking taylor expansion of -1 in b
* [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 c) (/ -1 d)) into (- (+ (/ 1 d) (/ 1 c)))
* [misc]backup-simplify:  Simplify (+ (/ -1 b) (- (+ (/ 1 d) (/ 1 c)))) into (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))))
* [misc]backup-simplify:  Simplify (+ 0 (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))))) into (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in c
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in c
* [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 (- b) into (- b)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 b) (/ 0 (- b))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 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 b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 c)) into (+ (/ 1 d) (/ 1 c))
* [misc]backup-simplify:  Simplify (- (+ (/ 1 d) (/ 1 c))) into (- (+ (/ 1 d) (/ 1 c)))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (/ 1 c))) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [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 (- b) into (- b)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 b) (/ 0 (- b))) (* 0 (/ 0 (- b))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))) (* 0 (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))) (* 0 (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 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 b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) 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]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d) 0) into (/ 1 d)
* [misc]backup-simplify:  Simplify (- (/ 1 d)) into (- (/ 1 d))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [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 (- b))) 1)))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- c))) (* 1 1)))) (* -1 (* (/ 1 (/ 1 (- d))) (* 1 (* 1 1)))))) into (+ b (+ c d))
* * * [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:  simplifying candidates
* * * * [misc]progress:  [ 1 / 45 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ b (+ c a)) 2))>
* [enter]simplify:  Simplifying (* (+ b (+ c a)) 2)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (42 enodes)
* * [misc]simplify:  iters left: 2 (48 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (* (+ a (+ b c)) 2)
* * * * [misc]progress:  [ 2 / 45 ] simplifiying candidate #<alt-event (λ (a b c d) (* (/ 1 a) 2))>
* [enter]simplify:  Simplifying (* (/ 1 a) 2)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* [exit]simplify:  Simplified to (/ 2 a)
* * * * [misc]progress:  [ 3 / 45 ] simplifiying candidate #<alt-event (λ (a b c d) (* (- (/ 1 a)) 2))>
* [enter]simplify:  Simplifying (* (- (/ 1 a)) 2)
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (20 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (47 enodes)
* [exit]simplify:  Simplified to (/ (- 2) a)
* * * * [misc]progress:  [ 4 / 45 ] simplifiying candidate #<alt-event (λ (a b c d) (* (cbrt (cube (+ b (+ c (+ d a))))) 2))>
* [enter]simplify:  Simplifying (* (cbrt (cube (+ b (+ c (+ d a))))) 2)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (50 enodes)
* * [misc]simplify:  iters left: 3 (145 enodes)
* [exit]simplify:  Simplified to (* (+ (+ b c) (+ d a)) 2)
* * * * [misc]progress:  [ 5 / 45 ] simplifiying candidate #<alt-event (λ (a b c d) (* (cbrt (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) 2))>
* [enter]simplify:  Simplifying (* (cbrt (cube (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) 2)
* * [misc]simplify:  iters left: 6 (16 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (57 enodes)
* * [misc]simplify:  iters left: 3 (160 enodes)
* * [misc]simplify:  iters left: 2 (480 enodes)
* [exit]simplify:  Simplified to (+ (+ (/ 2 b) (/ 2 d)) (+ (/ 2 a) (/ 2 c)))
* * * * [misc]progress:  [ 6 / 45 ] simplifiying candidate #<alt-event (λ (a b c d) (* (cbrt (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))) 2))>
* [enter]simplify:  Simplifying (* (cbrt (cube (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))) 2)
* * [misc]simplify:  iters left: 6 (17 enodes)
* * [misc]simplify:  iters left: 5 (31 enodes)
* * [misc]simplify:  iters left: 4 (76 enodes)
* * [misc]simplify:  iters left: 3 (223 enodes)
* [exit]simplify:  Simplified to (* (+ (+ (/ 1 a) (/ 1 d)) (+ (/ 1 b) (/ 1 c))) (- 2))
* * * * [misc]progress:  [ 7 / 45 ] simplifiying candidate #<alt-event (λ (a b c d) (* (cbrt (cube (+ b (+ c a)))) 2))>
* [enter]simplify:  Simplifying (* (cbrt (cube (+ b (+ c a)))) 2)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (47 enodes)
* * [misc]simplify:  iters left: 3 (129 enodes)
* * [misc]simplify:  iters left: 2 (228 enodes)
* * [misc]simplify:  iters left: 1 (332 enodes)
* [exit]simplify:  Simplified to (* (+ c (+ b a)) 2)
* * * * [misc]progress:  [ 8 / 45 ] simplifiying candidate #<alt-event (λ (a b c d) (* (cbrt (cube (+ b (+ c d)))) 2))>
* [enter]simplify:  Simplifying (* (cbrt (cube (+ b (+ c d)))) 2)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (47 enodes)
* * [misc]simplify:  iters left: 3 (129 enodes)
* * [misc]simplify:  iters left: 2 (228 enodes)
* * [misc]simplify:  iters left: 1 (332 enodes)
* [exit]simplify:  Simplified to (* (+ c (+ b d)) 2)
* * * * [misc]progress:  [ 9 / 45 ] simplifiying candidate #<alt-event (λ (a b c d) (* (cbrt (cube (+ b (+ c d)))) 2))>
* [enter]simplify:  Simplifying (* (cbrt (cube (+ b (+ c d)))) 2)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (47 enodes)
* * [misc]simplify:  iters left: 3 (129 enodes)
* * [misc]simplify:  iters left: 2 (228 enodes)
* * [misc]simplify:  iters left: 1 (332 enodes)
* [exit]simplify:  Simplified to (* (+ c (+ b d)) 2)
* * * * [misc]progress:  [ 10 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (pow (cube (+ a (+ b (+ c d)))) 1/3) 2))>
* * * * [misc]progress:  [ 11 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (pow (cbrt (cube (+ a (+ b (+ c d))))) 1) 2))>
* * * * [misc]progress:  [ 12 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (exp (log (cbrt (cube (+ a (+ b (+ c d))))))) 2))>
* [enter]simplify:  Simplifying (log (cbrt (cube (+ a (+ b (+ c d))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (115 enodes)
* * [misc]simplify:  iters left: 2 (455 enodes)
* [exit]simplify:  Simplified to (log (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (log (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 13 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log (exp (cbrt (cube (+ a (+ b (+ c d))))))) 2))>
* [enter]simplify:  Simplifying (exp (cbrt (cube (+ a (+ b (+ c d))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (44 enodes)
* * [misc]simplify:  iters left: 3 (127 enodes)
* * [misc]simplify:  iters left: 2 (480 enodes)
* [exit]simplify:  Simplified to (exp (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (exp (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 14 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (* (cbrt (cube 1)) (cbrt (cube (+ a (+ b (+ c d)))))) 2))>
* [enter]simplify:  Simplifying (cbrt (cube 1))
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (7 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (cbrt (cube (+ a (+ b (+ c d)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (114 enodes)
* * [misc]simplify:  iters left: 2 (454 enodes)
* [exit]simplify:  Simplified to (+ (+ a b) (+ c d))
* [exit]simplify:  Simplified to (+ (+ a b) (+ c d))
* * * * [misc]progress:  [ 15 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (* (cbrt (+ a (+ b (+ c d)))) (cbrt (* (+ a (+ b (+ c d))) (+ a (+ b (+ c d)))))) 2))>
* [enter]simplify:  Simplifying (cbrt (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (cbrt (+ (+ c d) (+ a b)))
* [enter]simplify:  Simplifying (cbrt (* (+ a (+ b (+ c d))) (+ a (+ b (+ c d)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (52 enodes)
* * [misc]simplify:  iters left: 3 (184 enodes)
* [exit]simplify:  Simplified to (cbrt (sqr (+ (+ c d) (+ a b))))
* [exit]simplify:  Simplified to (cbrt (sqr (+ (+ c d) (+ a b))))
* * * * [misc]progress:  [ 16 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (* (cbrt 1) (cbrt (cube (+ a (+ b (+ c d)))))) 2))>
* [enter]simplify:  Simplifying (cbrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (cbrt 1)
* [exit]simplify:  Simplified to (cbrt 1)
* [enter]simplify:  Simplifying (cbrt (cube (+ a (+ b (+ c d)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (114 enodes)
* * [misc]simplify:  iters left: 2 (454 enodes)
* [exit]simplify:  Simplified to (+ (+ a b) (+ c d))
* [exit]simplify:  Simplified to (+ (+ a b) (+ c d))
* * * * [misc]progress:  [ 17 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (cbrt (cube (- (pow a 3) (pow (+ b (+ c d)) 3)))) (cbrt (cube (+ (sqr a) (- (sqr (+ b (+ c d))) (* a (+ b (+ c d)))))))) 2))>
* [enter]simplify:  Simplifying (cbrt (cube (- (pow a 3) (pow (+ b (+ c d)) 3))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (59 enodes)
* * [misc]simplify:  iters left: 2 (192 enodes)
* * [misc]simplify:  iters left: 1 (391 enodes)
* [exit]simplify:  Simplified to (- (cube a) (cube (+ d (+ c b))))
* [exit]simplify:  Simplified to (- (cube a) (cube (+ d (+ c b))))
* [enter]simplify:  Simplifying (cbrt (cube (+ (sqr a) (- (sqr (+ b (+ c d))) (* a (+ b (+ c d)))))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (30 enodes)
* * [misc]simplify:  iters left: 4 (79 enodes)
* * [misc]simplify:  iters left: 3 (176 enodes)
* * [misc]simplify:  iters left: 2 (395 enodes)
* [exit]simplify:  Simplified to (- (sqr (+ (+ b c) d)) (* a (+ (+ b c) (- d a))))
* [exit]simplify:  Simplified to (- (sqr (+ (+ b c) d)) (* a (+ (+ b c) (- d a))))
* * * * [misc]progress:  [ 18 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (cbrt (cube (- (sqr a) (sqr (+ b (+ c d)))))) (cbrt (cube (- a (+ b (+ c d)))))) 2))>
* [enter]simplify:  Simplifying (cbrt (cube (- (sqr a) (sqr (+ b (+ c d))))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (51 enodes)
* * [misc]simplify:  iters left: 3 (176 enodes)
* * [misc]simplify:  iters left: 2 (427 enodes)
* [exit]simplify:  Simplified to (* (+ (+ d c) (+ a b)) (- (- a d) (+ b c)))
* [exit]simplify:  Simplified to (* (+ (+ d c) (+ a b)) (- (- a d) (+ b c)))
* [enter]simplify:  Simplifying (cbrt (cube (- a (+ b (+ c d)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (40 enodes)
* * [misc]simplify:  iters left: 1 (50 enodes)
* [exit]simplify:  Simplified to (- (- a b) (+ c d))
* [exit]simplify:  Simplified to (- (- a b) (+ c d))
* * * * [misc]progress:  [ 19 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cube (cbrt (cbrt (cube (+ a (+ b (+ c d))))))) 2))>
* [enter]simplify:  Simplifying (cbrt (cbrt (cube (+ a (+ b (+ c d))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (115 enodes)
* * [misc]simplify:  iters left: 2 (455 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (cbrt (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 20 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (cbrt (cube (+ a (+ b (+ c d))))))) 2))>
* [enter]simplify:  Simplifying (cube (cbrt (cube (+ a (+ b (+ c d))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (83 enodes)
* [exit]simplify:  Simplified to (cube (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (cube (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 21 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (sqr (sqrt (cbrt (cube (+ a (+ b (+ c d))))))) 2))>
* [enter]simplify:  Simplifying (sqrt (cbrt (cube (+ a (+ b (+ c d))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (115 enodes)
* * [misc]simplify:  iters left: 2 (455 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (sqrt (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 22 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (* 1 (cbrt (cube (+ a (+ b (+ c d)))))) 2))>
* * * * [misc]progress:  [ 23 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (pow (+ a (+ b (+ c d))) 3)) 2))>
* * * * [misc]progress:  [ 24 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (pow (cube (+ a (+ b (+ c d)))) 1)) 2))>
* * * * [misc]progress:  [ 25 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (exp (log (cube (+ a (+ b (+ c d))))))) 2))>
* [enter]simplify:  Simplifying (log (cube (+ a (+ b (+ c d)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (121 enodes)
* [exit]simplify:  Simplified to (log (cube (+ (+ a d) (+ c b))))
* [exit]simplify:  Simplified to (log (cube (+ (+ a d) (+ c b))))
* * * * [misc]progress:  [ 26 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (log (exp (cube (+ a (+ b (+ c d))))))) 2))>
* [enter]simplify:  Simplifying (exp (cube (+ a (+ b (+ c d)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (34 enodes)
* * [misc]simplify:  iters left: 3 (128 enodes)
* [exit]simplify:  Simplified to (exp (cube (+ (+ a b) (+ c d))))
* [exit]simplify:  Simplified to (exp (cube (+ (+ a b) (+ c d))))
* * * * [misc]progress:  [ 27 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (cbrt (cube (+ a (+ b (+ c d))))))) 2))>
* [enter]simplify:  Simplifying (cbrt (cube (+ a (+ b (+ c d)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (114 enodes)
* * [misc]simplify:  iters left: 2 (454 enodes)
* [exit]simplify:  Simplified to (+ (+ a b) (+ c d))
* [exit]simplify:  Simplified to (+ (+ a b) (+ c d))
* * * * [misc]progress:  [ 28 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cbrt (cube (cube (+ a (+ b (+ c d))))))) 2))>
* [enter]simplify:  Simplifying (cube (cube (+ a (+ b (+ c d)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (127 enodes)
* [exit]simplify:  Simplified to (cube (cube (+ (+ a b) (+ c d))))
* [exit]simplify:  Simplified to (cube (cube (+ (+ a b) (+ c d))))
* * * * [misc]progress:  [ 29 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (* (cube 1) (cube (+ a (+ b (+ c d)))))) 2))>
* [enter]simplify:  Simplifying (cube 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (cube 1)
* [exit]simplify:  Simplified to (cube 1)
* [enter]simplify:  Simplifying (cube (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (115 enodes)
* * [misc]simplify:  iters left: 2 (498 enodes)
* [exit]simplify:  Simplified to (cube (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (cube (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 30 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (/ (cube (- (pow a 3) (pow (+ b (+ c d)) 3))) (cube (+ (sqr a) (- (sqr (+ b (+ c d))) (* a (+ b (+ c d)))))))) 2))>
* [enter]simplify:  Simplifying (cube (- (pow a 3) (pow (+ b (+ c d)) 3)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (27 enodes)
* * [misc]simplify:  iters left: 3 (51 enodes)
* * [misc]simplify:  iters left: 2 (155 enodes)
* * [misc]simplify:  iters left: 1 (309 enodes)
* [exit]simplify:  Simplified to (cube (- (cube a) (cube (+ c (+ d b)))))
* [exit]simplify:  Simplified to (cube (- (cube a) (cube (+ c (+ d b)))))
* [enter]simplify:  Simplifying (cube (+ (sqr a) (- (sqr (+ b (+ c d))) (* a (+ b (+ c d))))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (29 enodes)
* * [misc]simplify:  iters left: 4 (71 enodes)
* * [misc]simplify:  iters left: 3 (187 enodes)
* * [misc]simplify:  iters left: 2 (461 enodes)
* [exit]simplify:  Simplified to (cube (+ (sqr a) (* (+ (+ d b) (- c a)) (+ (+ d b) c))))
* [exit]simplify:  Simplified to (cube (+ (sqr a) (* (+ (+ d b) (- c a)) (+ (+ d b) c))))
* * * * [misc]progress:  [ 31 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (/ (cube (- (sqr a) (sqr (+ b (+ c d))))) (cube (- a (+ b (+ c d)))))) 2))>
* [enter]simplify:  Simplifying (cube (- (sqr a) (sqr (+ b (+ c d)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (52 enodes)
* * [misc]simplify:  iters left: 3 (177 enodes)
* * [misc]simplify:  iters left: 2 (447 enodes)
* [exit]simplify:  Simplified to (cube (* (- (- a b) (+ d c)) (+ (+ a b) (+ d c))))
* [exit]simplify:  Simplified to (cube (* (- (- a b) (+ d c)) (+ (+ a b) (+ d c))))
* [enter]simplify:  Simplifying (cube (- a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (32 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (cube (- (- a d) (+ c b)))
* [exit]simplify:  Simplified to (cube (- (- a d) (+ c b)))
* * * * [misc]progress:  [ 32 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (* (+ a (+ b (+ c d))) (* (+ a (+ b (+ c d))) (+ a (+ b (+ c d)))))) 2))>
* [enter]simplify:  Simplifying (* (+ a (+ b (+ c d))) (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (51 enodes)
* * [misc]simplify:  iters left: 3 (183 enodes)
* [exit]simplify:  Simplified to (sqr (+ (+ a b) (+ c d)))
* [exit]simplify:  Simplified to (sqr (+ (+ a b) (+ c d)))
* * * * [misc]progress:  [ 33 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (sqr (sqrt (cube (+ a (+ b (+ c d))))))) 2))>
* [enter]simplify:  Simplifying (sqrt (cube (+ a (+ b (+ c d)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (116 enodes)
* * [misc]simplify:  iters left: 2 (485 enodes)
* [exit]simplify:  Simplified to (sqrt (cube (+ (+ c d) (+ a b))))
* [exit]simplify:  Simplified to (sqrt (cube (+ (+ c d) (+ a b))))
* * * * [misc]progress:  [ 34 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (* 1 (cube (+ a (+ b (+ c d)))))) 2))>
* * * * [misc]progress:  [ 35 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (pow (+ a (+ b (+ c d))) 1))) 2))>
* * * * [misc]progress:  [ 36 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (exp (log (+ a (+ b (+ c d))))))) 2))>
* [enter]simplify:  Simplifying (log (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (log (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (log (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 37 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (log (exp (+ a (+ b (+ c d))))))) 2))>
* [enter]simplify:  Simplifying (exp (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (54 enodes)
* * [misc]simplify:  iters left: 2 (98 enodes)
* * [misc]simplify:  iters left: 1 (118 enodes)
* [exit]simplify:  Simplified to (exp (+ (+ a b) (+ c d)))
* [exit]simplify:  Simplified to (exp (+ (+ a b) (+ c d)))
* * * * [misc]progress:  [ 38 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (cube (cbrt (+ a (+ b (+ c d))))))) 2))>
* [enter]simplify:  Simplifying (cbrt (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (cbrt (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 39 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (cbrt (cube (+ a (+ b (+ c d))))))) 2))>
* [enter]simplify:  Simplifying (cube (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (115 enodes)
* * [misc]simplify:  iters left: 2 (498 enodes)
* [exit]simplify:  Simplified to (cube (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (cube (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 40 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (sqr (sqrt (+ a (+ b (+ c d))))))) 2))>
* [enter]simplify:  Simplifying (sqrt (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (sqrt (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 41 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (* 1 (+ a (+ b (+ c d)))))) 2))>
* * * * [misc]progress:  [ 42 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (/ (- (pow a 3) (pow (+ b (+ c d)) 3)) (+ (sqr a) (- (sqr (+ b (+ c d))) (* a (+ b (+ c d)))))))) 2))>
* [enter]simplify:  Simplifying (- (pow a 3) (pow (+ b (+ c d)) 3))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (150 enodes)
* * [misc]simplify:  iters left: 1 (304 enodes)
* [exit]simplify:  Simplified to (- (cube a) (cube (+ (+ c b) d)))
* [exit]simplify:  Simplified to (- (cube a) (cube (+ (+ c b) d)))
* [enter]simplify:  Simplifying (+ (sqr a) (- (sqr (+ b (+ c d))) (* a (+ b (+ c d)))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (58 enodes)
* * [misc]simplify:  iters left: 3 (130 enodes)
* * [misc]simplify:  iters left: 2 (256 enodes)
* * [misc]simplify:  iters left: 1 (381 enodes)
* [exit]simplify:  Simplified to (+ (sqr a) (* (+ (- b a) (+ d c)) (+ (+ b c) d)))
* [exit]simplify:  Simplified to (+ (sqr a) (* (+ (- b a) (+ d c)) (+ (+ b c) d)))
* * * * [misc]progress:  [ 43 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (/ (- (sqr a) (sqr (+ b (+ c d)))) (- a (+ b (+ c d)))))) 2))>
* [enter]simplify:  Simplifying (- (sqr a) (sqr (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (133 enodes)
* * [misc]simplify:  iters left: 2 (286 enodes)
* * [misc]simplify:  iters left: 1 (428 enodes)
* [exit]simplify:  Simplified to (* (+ (+ d a) (+ b c)) (- (- a c) (+ d b)))
* [exit]simplify:  Simplified to (* (+ (+ d a) (+ b c)) (- (- a c) (+ d b)))
* [enter]simplify:  Simplifying (- a (+ b (+ c d)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (37 enodes)
* [exit]simplify:  Simplified to (- (- a d) (+ c b))
* [exit]simplify:  Simplified to (- (- a d) (+ c b))
* * * * [misc]progress:  [ 44 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (+ (+ a b) (+ c d)))) 2))>
* [enter]simplify:  Simplifying (+ a b)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (+ a b)
* [exit]simplify:  Simplified to (+ a b)
* * * * [misc]progress:  [ 45 / 45 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (+ (+ b (+ c d)) a))) 2))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 3 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (a b c d) (* (+ (+ b c) (+ d a)) 2))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (+ (+ b c) (+ d a)) in (b c d a) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) (+ d a)) in a
* [misc]taylor:  Taking taylor expansion of (+ b c) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of (+ d a) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) (+ d a)) in d
* [misc]taylor:  Taking taylor expansion of (+ b c) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of (+ d a) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) (+ d a)) in c
* [misc]taylor:  Taking taylor expansion of (+ b c) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ d a) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) (+ d a)) in b
* [misc]taylor:  Taking taylor expansion of (+ b c) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of (+ d a) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) (+ d a)) in b
* [misc]taylor:  Taking taylor expansion of (+ b c) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of (+ d a) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (+ 0 c) into c
* [misc]backup-simplify:  Simplify (+ d a) into (+ d a)
* [misc]backup-simplify:  Simplify (+ c (+ d a)) into (+ c (+ d a))
* [misc]taylor:  Taking taylor expansion of (+ c (+ d a)) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ d a) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (+ d a) into (+ d a)
* [misc]backup-simplify:  Simplify (+ 0 (+ d a)) into (+ d a)
* [misc]taylor:  Taking taylor expansion of (+ d a) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (+ 0 a) into a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* d (* 1 1)))) (+ (* 1 (* 1 (* 1 (* c 1)))) (* 1 (* 1 (* 1 (* 1 b)))))) into (+ b (+ c d))
* [misc]approximate:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (+ (/ 1 d) (/ 1 a))) in (b c d a) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (+ (/ 1 d) (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 b) (/ 1 c)) (+ (/ 1 d) (/ 1 a))) in d
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 a)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (+ (/ 1 d) (/ 1 a))) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 d) (/ 1 a)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (+ (/ 1 d) (/ 1 a))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 a)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (+ (/ 1 d) (/ 1 a))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 a)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 a)) into (+ (/ 1 d) (/ 1 a))
* [misc]backup-simplify:  Simplify (+ (/ 1 c) (+ (/ 1 d) (/ 1 a))) into (+ (/ 1 d) (+ (/ 1 c) (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 c) (/ 1 a))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 a)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)))) 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 c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 a)) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 a)) into (+ (/ 1 d) (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 a)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in a
* [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 c) (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)) (* 0 (/ 0 a)))) 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 c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)))) 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 d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 a)) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [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 c)) 1)))) (+ (* 1 (* 1 (* (/ 1 (/ 1 d)) (* 1 1)))) (* 1 (* (/ 1 (/ 1 a)) (* 1 (* 1 1)))))) into (+ c (+ d a))
* [misc]approximate:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (+ (/ 1 (- d)) (/ 1 (- a)))) in (b c d a) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (+ (/ 1 (- d)) (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in a
* [misc]taylor:  Taking taylor expansion of (- b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in a
* [misc]taylor:  Taking taylor expansion of (- c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d)) (/ 1 (- a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in a
* [misc]taylor:  Taking taylor expansion of (- d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 (- b)) (/ 1 (- c))) (+ (/ 1 (- d)) (/ 1 (- a)))) in d
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in d
* [misc]taylor:  Taking taylor expansion of (- b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in d
* [misc]taylor:  Taking taylor expansion of (- c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d)) (/ 1 (- a))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in d
* [misc]taylor:  Taking taylor expansion of (- d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 (- a)) in d
* [misc]taylor:  Taking taylor expansion of (- a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (+ (/ 1 (- d)) (/ 1 (- a)))) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in c
* [misc]taylor:  Taking taylor expansion of (- b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in c
* [misc]taylor:  Taking taylor expansion of (- c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 (- d)) (/ 1 (- a))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in c
* [misc]taylor:  Taking taylor expansion of (- d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in c
* [misc]taylor:  Taking taylor expansion of (- a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (+ (/ 1 (- d)) (/ 1 (- a)))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in b
* [misc]taylor:  Taking taylor expansion of (- b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 (- c)) in b
* [misc]taylor:  Taking taylor expansion of (- c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d)) (/ 1 (- a))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in b
* [misc]taylor:  Taking taylor expansion of (- d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in b
* [misc]taylor:  Taking taylor expansion of (- a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (+ (/ 1 (- d)) (/ 1 (- a)))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in b
* [misc]taylor:  Taking taylor expansion of (- b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 (- c)) in b
* [misc]taylor:  Taking taylor expansion of (- c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d)) (/ 1 (- a))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in b
* [misc]taylor:  Taking taylor expansion of (- d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in b
* [misc]taylor:  Taking taylor expansion of (- a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]taylor:  Taking taylor expansion of -1 in c
* [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 (/ -1 c)) into (- (/ 1 c))
* [misc]backup-simplify:  Simplify (+ (/ -1 d) (/ -1 a)) into (- (+ (/ 1 d) (/ 1 a)))
* [misc]backup-simplify:  Simplify (+ (- (/ 1 c)) (- (+ (/ 1 d) (/ 1 a)))) into (- (+ (/ 1 d) (+ (/ 1 c) (/ 1 a))))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (+ (/ 1 c) (/ 1 a)))) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 c) (/ 1 a))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 a)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [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 (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))))) 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 c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 a)) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 a)) into (+ (/ 1 d) (/ 1 a))
* [misc]backup-simplify:  Simplify (- (+ (/ 1 d) (/ 1 a))) into (- (+ (/ 1 d) (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (/ 1 a))) in d
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 a)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in a
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of -1 in a
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in a
* [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 (- c) into (- c)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))) (* 0 (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))) (* 0 (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))) (* 0 (/ 0 (- a))))) 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 c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)))) 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]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 a)) into (/ 1 a)
* [misc]backup-simplify:  Simplify (- (/ 1 a)) into (- (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [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 (- c))) 1)))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- d))) (* 1 1)))) (* -1 (* (/ 1 (/ 1 (- a))) (* 1 (* 1 1)))))) into (+ c (+ d a))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2 1)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 21 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ b (+ c d)) 2))>
* [enter]simplify:  Simplifying (* (+ b (+ c d)) 2)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (42 enodes)
* * [misc]simplify:  iters left: 2 (48 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (* (+ d (+ b c)) 2)
* * * * [misc]progress:  [ 2 / 21 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ c (+ d a)) 2))>
* [enter]simplify:  Simplifying (* (+ c (+ d a)) 2)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (42 enodes)
* * [misc]simplify:  iters left: 2 (48 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (* (+ a (+ c d)) 2)
* * * * [misc]progress:  [ 3 / 21 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ c (+ d a)) 2))>
* [enter]simplify:  Simplifying (* (+ c (+ d a)) 2)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (42 enodes)
* * [misc]simplify:  iters left: 2 (48 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (* (+ a (+ c d)) 2)
* * * * [misc]progress:  [ 4 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log (* (exp (+ b c)) (exp (+ d a)))) 2))>
* [enter]simplify:  Simplifying (* (exp (+ b c)) (exp (+ d a)))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (20 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (58 enodes)
* * [misc]simplify:  iters left: 1 (97 enodes)
* [exit]simplify:  Simplified to (exp (+ (+ c a) (+ d b)))
* [exit]simplify:  Simplified to (exp (+ (+ c a) (+ d b)))
* * * * [misc]progress:  [ 5 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (pow (+ (+ b c) (+ d a)) 1) 2))>
* * * * [misc]progress:  [ 6 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (exp (log (+ (+ b c) (+ d a)))) 2))>
* [enter]simplify:  Simplifying (log (+ (+ b c) (+ d a)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* * [misc]simplify:  iters left: 2 (35 enodes)
* * [misc]simplify:  iters left: 1 (51 enodes)
* [exit]simplify:  Simplified to (log (+ (+ d b) (+ a c)))
* [exit]simplify:  Simplified to (log (+ (+ d b) (+ a c)))
* * * * [misc]progress:  [ 7 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log (exp (+ (+ b c) (+ d a)))) 2))>
* [enter]simplify:  Simplifying (exp (+ (+ b c) (+ d a)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (58 enodes)
* * [misc]simplify:  iters left: 1 (106 enodes)
* [exit]simplify:  Simplified to (exp (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (exp (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 8 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cube (cbrt (+ (+ b c) (+ d a)))) 2))>
* [enter]simplify:  Simplifying (cbrt (+ (+ b c) (+ d a)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* * [misc]simplify:  iters left: 2 (35 enodes)
* * [misc]simplify:  iters left: 1 (51 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (+ d b) (+ a c)))
* [exit]simplify:  Simplified to (cbrt (+ (+ d b) (+ a c)))
* * * * [misc]progress:  [ 9 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (+ (+ b c) (+ d a)))) 2))>
* [enter]simplify:  Simplifying (cube (+ (+ b c) (+ d a)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (34 enodes)
* * [misc]simplify:  iters left: 2 (145 enodes)
* [exit]simplify:  Simplified to (cube (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (cube (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 10 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (sqr (sqrt (+ (+ b c) (+ d a)))) 2))>
* [enter]simplify:  Simplifying (sqrt (+ (+ b c) (+ d a)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* * [misc]simplify:  iters left: 2 (35 enodes)
* * [misc]simplify:  iters left: 1 (51 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (+ d b) (+ a c)))
* [exit]simplify:  Simplified to (sqrt (+ (+ d b) (+ a c)))
* * * * [misc]progress:  [ 11 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (+ (* (- (pow b 3) (pow c 3)) (+ (sqr d) (- (sqr a) (* d a)))) (* (+ (sqr b) (- (sqr c) (* b c))) (- (pow d 3) (pow a 3)))) (* (+ (sqr b) (- (sqr c) (* b c))) (+ (sqr d) (- (sqr a) (* d a))))) 2))>
* [enter]simplify:  Simplifying (+ (* (- (pow b 3) (pow c 3)) (+ (sqr d) (- (sqr a) (* d a)))) (* (+ (sqr b) (- (sqr c) (* b c))) (- (pow d 3) (pow a 3))))
* * [misc]simplify:  iters left: 6 (24 enodes)
* * [misc]simplify:  iters left: 5 (49 enodes)
* * [misc]simplify:  iters left: 4 (77 enodes)
* * [misc]simplify:  iters left: 3 (96 enodes)
* * [misc]simplify:  iters left: 2 (118 enodes)
* * [misc]simplify:  iters left: 1 (150 enodes)
* [exit]simplify:  Simplified to (+ (* (+ (* a (- a d)) (sqr d)) (- (cube b) (cube c))) (* (- (cube d) (cube a)) (- (* c c) (* (- c b) b))))
* [exit]simplify:  Simplified to (+ (* (+ (* a (- a d)) (sqr d)) (- (cube b) (cube c))) (* (- (cube d) (cube a)) (- (* c c) (* (- c b) b))))
* [enter]simplify:  Simplifying (* (+ (sqr b) (- (sqr c) (* b c))) (+ (sqr d) (- (sqr a) (* d a))))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (34 enodes)
* * [misc]simplify:  iters left: 4 (74 enodes)
* * [misc]simplify:  iters left: 3 (119 enodes)
* * [misc]simplify:  iters left: 2 (199 enodes)
* * [misc]simplify:  iters left: 1 (275 enodes)
* [exit]simplify:  Simplified to (* (- (* a a) (* (- a d) d)) (+ (sqr b) (* (- c b) c)))
* [exit]simplify:  Simplified to (* (- (* a a) (* (- a d) d)) (+ (sqr b) (* (- c b) c)))
* * * * [misc]progress:  [ 12 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (+ (* (- (pow b 3) (pow c 3)) (- d a)) (* (+ (sqr b) (- (sqr c) (* b c))) (- (sqr d) (sqr a)))) (* (+ (sqr b) (- (sqr c) (* b c))) (- d a))) 2))>
* [enter]simplify:  Simplifying (+ (* (- (pow b 3) (pow c 3)) (- d a)) (* (+ (sqr b) (- (sqr c) (* b c))) (- (sqr d) (sqr a))))
* * [misc]simplify:  iters left: 6 (20 enodes)
* * [misc]simplify:  iters left: 5 (35 enodes)
* * [misc]simplify:  iters left: 4 (54 enodes)
* * [misc]simplify:  iters left: 3 (102 enodes)
* * [misc]simplify:  iters left: 2 (236 enodes)
* * [misc]simplify:  iters left: 1 (464 enodes)
* [exit]simplify:  Simplified to (+ (* (- d a) (- (cube b) (cube c))) (* (* (- d a) (+ a d)) (- (* c c) (* b (- c b)))))
* [exit]simplify:  Simplified to (+ (* (- d a) (- (cube b) (cube c))) (* (* (- d a) (+ a d)) (- (* c c) (* b (- c b)))))
* [enter]simplify:  Simplifying (* (+ (sqr b) (- (sqr c) (* b c))) (- d a))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (41 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (47 enodes)
* [exit]simplify:  Simplified to (* (+ (sqr b) (* c (- c b))) (- d a))
* [exit]simplify:  Simplified to (* (+ (sqr b) (* c (- c b))) (- d a))
* * * * [misc]progress:  [ 13 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (+ (* (- (sqr b) (sqr c)) (+ (sqr d) (- (sqr a) (* d a)))) (* (- b c) (- (pow d 3) (pow a 3)))) (* (- b c) (+ (sqr d) (- (sqr a) (* d a))))) 2))>
* [enter]simplify:  Simplifying (+ (* (- (sqr b) (sqr c)) (+ (sqr d) (- (sqr a) (* d a)))) (* (- b c) (- (pow d 3) (pow a 3))))
* * [misc]simplify:  iters left: 6 (20 enodes)
* * [misc]simplify:  iters left: 5 (41 enodes)
* * [misc]simplify:  iters left: 4 (62 enodes)
* * [misc]simplify:  iters left: 3 (137 enodes)
* * [misc]simplify:  iters left: 2 (278 enodes)
* * [misc]simplify:  iters left: 1 (421 enodes)
* [exit]simplify:  Simplified to (+ (* (- b c) (- (cube d) (cube a))) (* (+ (* d d) (* (- a d) a)) (* (+ b c) (- b c))))
* [exit]simplify:  Simplified to (+ (* (- b c) (- (cube d) (cube a))) (* (+ (* d d) (* (- a d) a)) (* (+ b c) (- b c))))
* [enter]simplify:  Simplifying (* (- b c) (+ (sqr d) (- (sqr a) (* d a))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (40 enodes)
* * [misc]simplify:  iters left: 2 (45 enodes)
* * [misc]simplify:  iters left: 1 (48 enodes)
* [exit]simplify:  Simplified to (* (- (* a a) (* (- a d) d)) (- b c))
* [exit]simplify:  Simplified to (* (- (* a a) (* (- a d) d)) (- b c))
* * * * [misc]progress:  [ 14 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (+ (* (- (sqr b) (sqr c)) (- d a)) (* (- b c) (- (sqr d) (sqr a)))) (* (- b c) (- d a))) 2))>
* [enter]simplify:  Simplifying (+ (* (- (sqr b) (sqr c)) (- d a)) (* (- b c) (- (sqr d) (sqr a))))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (34 enodes)
* * [misc]simplify:  iters left: 3 (82 enodes)
* * [misc]simplify:  iters left: 2 (204 enodes)
* * [misc]simplify:  iters left: 1 (290 enodes)
* [exit]simplify:  Simplified to (* (* (- d a) (- b c)) (+ (+ b c) (+ a d)))
* [exit]simplify:  Simplified to (* (* (- d a) (- b c)) (+ (+ b c) (+ a d)))
* [enter]simplify:  Simplifying (* (- b c) (- d a))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (* (- d a) (- b c))
* [exit]simplify:  Simplified to (* (- d a) (- b c))
* * * * [misc]progress:  [ 15 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (* 1 (+ (+ b c) (+ d a))) 2))>
* * * * [misc]progress:  [ 16 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (- (pow (+ b c) 3) (pow (+ d a) 3)) (+ (sqr (+ b c)) (- (sqr (+ d a)) (* (+ b c) (+ d a))))) 2))>
* [enter]simplify:  Simplifying (- (pow (+ b c) 3) (pow (+ d a) 3))
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* * [misc]simplify:  iters left: 2 (38 enodes)
* * [misc]simplify:  iters left: 1 (110 enodes)
* [exit]simplify:  Simplified to (- (cube (+ b c)) (cube (+ a d)))
* [exit]simplify:  Simplified to (- (cube (+ b c)) (cube (+ a d)))
* [enter]simplify:  Simplifying (+ (sqr (+ b c)) (- (sqr (+ d a)) (* (+ b c) (+ d a))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (72 enodes)
* * [misc]simplify:  iters left: 3 (190 enodes)
* * [misc]simplify:  iters left: 2 (391 enodes)
* [exit]simplify:  Simplified to (+ (* (+ b c) (+ b c)) (* (+ a d) (- (+ a d) (+ b c))))
* [exit]simplify:  Simplified to (+ (* (+ b c) (+ b c)) (* (+ a d) (- (+ a d) (+ b c))))
* * * * [misc]progress:  [ 17 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (- (sqr (+ b c)) (sqr (+ d a))) (- (+ b c) (+ d a))) 2))>
* [enter]simplify:  Simplifying (- (sqr (+ b c)) (sqr (+ d a)))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (45 enodes)
* * [misc]simplify:  iters left: 2 (141 enodes)
* * [misc]simplify:  iters left: 1 (436 enodes)
* [exit]simplify:  Simplified to (- (* (+ b c) (+ b c)) (sqr (+ a d)))
* [exit]simplify:  Simplified to (- (* (+ b c) (+ b c)) (sqr (+ a d)))
* [enter]simplify:  Simplifying (- (+ b c) (+ d a))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (23 enodes)
* * [misc]simplify:  iters left: 1 (35 enodes)
* [exit]simplify:  Simplified to (+ (- c d) (- b a))
* [exit]simplify:  Simplified to (+ (- c d) (- b a))
* * * * [misc]progress:  [ 18 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (* 1 (+ (+ b c) (+ d a))) 2))>
* [enter]simplify:  Simplifying (+ (+ b c) (+ d a))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* * [misc]simplify:  iters left: 1 (34 enodes)
* [exit]simplify:  Simplified to (+ (+ a b) (+ c d))
* [exit]simplify:  Simplified to (+ (+ a b) (+ c d))
* * * * [misc]progress:  [ 19 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ (+ (+ b c) d) a) 2))>
* [enter]simplify:  Simplifying (+ (+ b c) d)
* * [misc]simplify:  iters left: 4 (5 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 (+ (+ b c) d)
* [exit]simplify:  Simplified to (+ (+ b c) d)
* * * * [misc]progress:  [ 20 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ b (+ c (+ d a))) 2))>
* [enter]simplify:  Simplifying (+ c (+ d a))
* * [misc]simplify:  iters left: 4 (5 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 (+ a (+ c d))
* [exit]simplify:  Simplified to (+ a (+ c d))
* * * * [misc]progress:  [ 21 / 21 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ (+ d a) (+ b c)) 2))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  Final touches.
* * * [misc]progress:  tayloring alt 1 of 1
* [misc]approximate:  Taking taylor expansion of (+ (+ b c) (+ d a)) in (b c d a) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) (+ d a)) in a
* [misc]taylor:  Taking taylor expansion of (+ b c) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of (+ d a) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) (+ d a)) in d
* [misc]taylor:  Taking taylor expansion of (+ b c) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of (+ d a) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) (+ d a)) in c
* [misc]taylor:  Taking taylor expansion of (+ b c) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ d a) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) (+ d a)) in b
* [misc]taylor:  Taking taylor expansion of (+ b c) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of (+ d a) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) (+ d a)) in b
* [misc]taylor:  Taking taylor expansion of (+ b c) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of (+ d a) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (+ 0 c) into c
* [misc]backup-simplify:  Simplify (+ d a) into (+ d a)
* [misc]backup-simplify:  Simplify (+ c (+ d a)) into (+ c (+ d a))
* [misc]taylor:  Taking taylor expansion of (+ c (+ d a)) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ d a) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (+ d a) into (+ d a)
* [misc]backup-simplify:  Simplify (+ 0 (+ d a)) into (+ d a)
* [misc]taylor:  Taking taylor expansion of (+ d a) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (+ 0 a) into a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* d (* 1 1)))) (+ (* 1 (* 1 (* 1 (* c 1)))) (* 1 (* 1 (* 1 (* 1 b)))))) into (+ b (+ c d))
* [misc]approximate:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (+ (/ 1 d) (/ 1 a))) in (b c d a) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (+ (/ 1 d) (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 b) (/ 1 c)) (+ (/ 1 d) (/ 1 a))) in d
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 a)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (+ (/ 1 d) (/ 1 a))) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 d) (/ 1 a)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (+ (/ 1 d) (/ 1 a))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 a)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (+ (/ 1 d) (/ 1 a))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 a)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 a)) into (+ (/ 1 d) (/ 1 a))
* [misc]backup-simplify:  Simplify (+ (/ 1 c) (+ (/ 1 d) (/ 1 a))) into (+ (/ 1 d) (+ (/ 1 c) (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 c) (/ 1 a))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 a)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)))) 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 c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 a)) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 a)) into (+ (/ 1 d) (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 a)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in a
* [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 c) (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)) (* 0 (/ 0 a)))) 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 c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)))) 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 d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 a)) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [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 c)) 1)))) (+ (* 1 (* 1 (* (/ 1 (/ 1 d)) (* 1 1)))) (* 1 (* (/ 1 (/ 1 a)) (* 1 (* 1 1)))))) into (+ c (+ d a))
* [misc]approximate:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (+ (/ 1 (- d)) (/ 1 (- a)))) in (b c d a) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (+ (/ 1 (- d)) (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in a
* [misc]taylor:  Taking taylor expansion of (- b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in a
* [misc]taylor:  Taking taylor expansion of (- c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d)) (/ 1 (- a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in a
* [misc]taylor:  Taking taylor expansion of (- d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 (- b)) (/ 1 (- c))) (+ (/ 1 (- d)) (/ 1 (- a)))) in d
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in d
* [misc]taylor:  Taking taylor expansion of (- b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in d
* [misc]taylor:  Taking taylor expansion of (- c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d)) (/ 1 (- a))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in d
* [misc]taylor:  Taking taylor expansion of (- d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 (- a)) in d
* [misc]taylor:  Taking taylor expansion of (- a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (+ (/ 1 (- d)) (/ 1 (- a)))) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in c
* [misc]taylor:  Taking taylor expansion of (- b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in c
* [misc]taylor:  Taking taylor expansion of (- c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 (- d)) (/ 1 (- a))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in c
* [misc]taylor:  Taking taylor expansion of (- d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in c
* [misc]taylor:  Taking taylor expansion of (- a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (+ (/ 1 (- d)) (/ 1 (- a)))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in b
* [misc]taylor:  Taking taylor expansion of (- b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 (- c)) in b
* [misc]taylor:  Taking taylor expansion of (- c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d)) (/ 1 (- a))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in b
* [misc]taylor:  Taking taylor expansion of (- d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in b
* [misc]taylor:  Taking taylor expansion of (- a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (+ (/ 1 (- d)) (/ 1 (- a)))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in b
* [misc]taylor:  Taking taylor expansion of (- b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [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 (- c)) in b
* [misc]taylor:  Taking taylor expansion of (- c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d)) (/ 1 (- a))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in b
* [misc]taylor:  Taking taylor expansion of (- d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in b
* [misc]taylor:  Taking taylor expansion of (- a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]taylor:  Taking taylor expansion of -1 in c
* [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 (/ -1 c)) into (- (/ 1 c))
* [misc]backup-simplify:  Simplify (+ (/ -1 d) (/ -1 a)) into (- (+ (/ 1 d) (/ 1 a)))
* [misc]backup-simplify:  Simplify (+ (- (/ 1 c)) (- (+ (/ 1 d) (/ 1 a)))) into (- (+ (/ 1 d) (+ (/ 1 c) (/ 1 a))))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (+ (/ 1 c) (/ 1 a)))) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 c) (/ 1 a))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 a)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [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 a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [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 (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))))) 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 c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 a)) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 a)) into (+ (/ 1 d) (/ 1 a))
* [misc]backup-simplify:  Simplify (- (+ (/ 1 d) (/ 1 a))) into (- (+ (/ 1 d) (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (/ 1 a))) in d
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 a)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [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 a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in a
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of -1 in a
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in a
* [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 (- c) into (- c)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))) (* 0 (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))) (* 0 (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))) (* 0 (/ 0 (- a))))) 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 c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)))) 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]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 a)) into (/ 1 a)
* [misc]backup-simplify:  Simplify (- (/ 1 a)) into (- (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [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 a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [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 (- c))) 1)))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- d))) (* 1 1)))) (* -1 (* (/ 1 (/ 1 (- a))) (* 1 (* 1 1)))))) into (+ c (+ d a))
* * * [misc]progress:  simplifying alt 1 of 3
* [enter]simplify:  Simplifying (* (+ b (+ c d)) 2)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (26 enodes)
* [exit]simplify:  Simplified to (* (+ d (+ b c)) 2)
* [misc]none:  prog is (λ (a b c d) (* (+ d (+ b c)) 2))
* * * [misc]progress:  simplifying alt 2 of 3
* [enter]simplify:  Simplifying (* (+ c (+ d a)) 2)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (26 enodes)
* [exit]simplify:  Simplified to (* (+ a (+ c d)) 2)
* [misc]none:  prog is (λ (a b c d) (* (+ a (+ c d)) 2))
* * * [misc]progress:  simplifying alt 3 of 3
* [enter]simplify:  Simplifying (* (+ c (+ d a)) 2)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (26 enodes)
* [exit]simplify:  Simplified to (* (+ a (+ c d)) 2)
* [misc]none:  prog is (λ (a b c d) (* (+ a (+ c d)) 2))
* [misc]progress:  [Phase 3 of 3] Extracting.
* [enter]simplify:  Simplifying (+ (+ b c) (+ d a))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* * [misc]simplify:  iters left: 1 (34 enodes)
* [exit]simplify:  Simplified to (+ (+ a b) (+ c d))
* [exit]simplify:  Simplified to (+ (+ a b) (+ c d))