* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * * [misc]points:  Sampling 256 additional inputs, on iter 0 have 0 / 256
* * * * [misc]points:  Computing exacts on every 16 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 8 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 4 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 2 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts for 256 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 47 additional inputs, on iter 1 have 209 / 256
* * * * [misc]points:  Computing exacts on every 2 of 47 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts for 47 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 9 additional inputs, on iter 2 have 247 / 256
* * * * [misc]points:  Computing exacts for 9 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 3 have 253 / 256
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 257 points with exact outputs
* * * [misc]progress:  [2/2] Setting up program.
* [misc]progress:  [Phase 2 of 3] Improving.
* [enter]simplify:  Simplifying (fabs (- (/ (+ x 4) y) (* (/ x y) z)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (35 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* * [misc]simplify:  iters left: 1 (48 enodes)
* [exit]simplify:  Simplified to (fabs (- (/ (+ 4 x) y) (/ x (/ y z))))
* * [misc]progress:  iteration 1 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* (/ x y) z))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 3 ] rewriting at (2 1 2)
* * * * [misc]progress:  [ 2 / 3 ] rewriting at (2 1)
* * * * [misc]progress:  [ 3 / 3 ] rewriting at (2 1 1)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 3 ] generating series at (2 1 2)
* [misc]approximate:  Taking taylor expansion of (* (/ x y) z) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in z
* [misc]taylor:  Taking taylor expansion of (/ x y) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ x y) into (/ x y)
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in y
* [misc]taylor:  Taking taylor expansion of (/ x y) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ x 1) into x
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in x
* [misc]taylor:  Taking taylor expansion of (/ x y) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in x
* [misc]taylor:  Taking taylor expansion of (/ x y) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (* (/ 1 y) z) into (/ z y)
* [misc]taylor:  Taking taylor expansion of (/ z y) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ z 1) into z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 y) (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 y) 0) (* 0 z)) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* z (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 y) 0) (+ (* 0 0) (* 0 z))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* z (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 0) (* 0 z)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 1 (* z (* (/ 1 y) x))) into (/ (* x z) y)
* [misc]approximate:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ (/ 1 x) (/ 1 y)) into (/ y x)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 x) (/ 1 y)) (/ 1 z)) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 1) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]backup-simplify:  Simplify (* y (/ 1 z)) into (/ y z)
* [misc]taylor:  Taking taylor expansion of (/ y z) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* y (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (* 0 (/ 1 z))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* y (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* y (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 1 (* (/ 1 (/ 1 z)) (* (/ 1 y) (/ 1 (/ 1 x))))) into (/ (* x z) y)
* [misc]approximate:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in z
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in z
* [misc]taylor:  Taking taylor expansion of (- x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in z
* [misc]taylor:  Taking taylor expansion of (- y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ (/ -1 x) (/ -1 y)) into (/ y x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in z
* [misc]taylor:  Taking taylor expansion of (- z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 (- x)) (/ 1 (- y))) (/ 1 (- z))) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (/ (/ -1 x) -1) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in y
* [misc]taylor:  Taking taylor expansion of (- z) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ -1 (/ -1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in x
* [misc]taylor:  Taking taylor expansion of (- z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ -1 (/ -1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in x
* [misc]taylor:  Taking taylor expansion of (- z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]backup-simplify:  Simplify (* y (/ -1 z)) into (* -1 (/ y z))
* [misc]taylor:  Taking taylor expansion of (* -1 (/ y z)) in y
* [misc]taylor:  Taking taylor expansion of -1 in y
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of (/ y z) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]backup-simplify:  Simplify (* -1 (/ 1 z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (/ -1 z) in z
* [misc]taylor:  Taking taylor expansion of -1 in z
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ -1 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* y (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (* 0 (/ -1 z))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ 1 z))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))) (* 0 (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* y (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (+ (* 0 0) (* 0 (/ -1 z)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))) (* 0 (/ 0 (- z))) (* 0 (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* y (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 z))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* -1 (* (/ 1 (/ 1 (- z))) (* (/ 1 (- y)) (/ 1 (/ 1 (- x)))))) into (/ (* x z) y)
* * * * [misc]progress:  [ 2 / 3 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (- (/ (+ x 4) y) (* (/ x y) z)) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (- (/ (+ x 4) y) (* (/ x y) z)) in z
* [misc]taylor:  Taking taylor expansion of (/ (+ x 4) y) in z
* [misc]taylor:  Taking taylor expansion of (+ x 4) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (+ x 4) into (+ x 4)
* [misc]backup-simplify:  Simplify (/ (+ x 4) y) into (/ (+ x 4) y)
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in z
* [misc]taylor:  Taking taylor expansion of (/ x y) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ x y) into (/ x y)
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (/ (+ x 4) y) (* (/ x y) z)) in y
* [misc]taylor:  Taking taylor expansion of (/ (+ x 4) y) in y
* [misc]taylor:  Taking taylor expansion of (+ x 4) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ x 4) into (+ x 4)
* [misc]backup-simplify:  Simplify (/ (+ x 4) 1) into (+ x 4)
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in y
* [misc]taylor:  Taking taylor expansion of (/ x y) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ x 1) into x
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of (- (/ (+ x 4) y) (* (/ x y) z)) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ x 4) y) in x
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (/ 4 y) into (/ 4 y)
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in x
* [misc]taylor:  Taking taylor expansion of (/ x y) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of (- (/ (+ x 4) y) (* (/ x y) z)) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ x 4) y) in x
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (/ 4 y) into (/ 4 y)
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in x
* [misc]taylor:  Taking taylor expansion of (/ x y) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (+ (/ 4 y) 0) into (* 4 (/ 1 y))
* [misc]taylor:  Taking taylor expansion of (* 4 (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (* 4 1) into 4
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 1 y) (+ (* (/ 4 y) (/ 0 y)))) into (/ 1 y)
* [misc]backup-simplify:  Simplify (* (/ 1 y) z) into (/ z y)
* [misc]backup-simplify:  Simplify (- (/ z y)) into (- (/ z y))
* [misc]backup-simplify:  Simplify (+ (/ 1 y) (- (/ z y))) into (- (/ 1 y) (/ z y))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 y) (/ z y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (/ z y) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ z 1) into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (+ 1 (- z)) into (- 1 z)
* [misc]taylor:  Taking taylor expansion of (- 1 z) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in z
* [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 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 0) (* 0 1)) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 4 y) (/ 0 y)) (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 y) 0) (* 0 z)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* z (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [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 (+ (* 4 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ (* -1 (* z (* (/ 1 y) x))) (+ (* 1 (* 1 (* (/ 1 y) x))) (* 4 (* 1 (* (/ 1 y) 1))))) into (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* [misc]approximate:  Taking taylor expansion of (- (/ (+ (/ 1 x) 4) (/ 1 y)) (* (/ (/ 1 x) (/ 1 y)) (/ 1 z))) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (- (/ (+ (/ 1 x) 4) (/ 1 y)) (* (/ (/ 1 x) (/ 1 y)) (/ 1 z))) in z
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) 4) (/ 1 y)) in z
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (+ (/ 1 x) 4) into (+ (/ 1 x) 4)
* [misc]backup-simplify:  Simplify (/ (+ (/ 1 x) 4) (/ 1 y)) into (* (+ (/ 1 x) 4) y)
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ (/ 1 x) (/ 1 y)) into (/ y x)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 x) 4) (/ 1 y)) (* (/ (/ 1 x) (/ 1 y)) (/ 1 z))) in y
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) 4) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 4) into (+ (/ 1 x) 4)
* [misc]backup-simplify:  Simplify (/ (+ (/ 1 x) 4) 1) into (+ (/ 1 x) 4)
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 1) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (- (/ (+ (/ 1 x) 4) (/ 1 y)) (* (/ (/ 1 x) (/ 1 y)) (/ 1 z))) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) 4) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (- (/ (+ (/ 1 x) 4) (/ 1 y)) (* (/ (/ 1 x) (/ 1 y)) (/ 1 z))) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) 4) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]backup-simplify:  Simplify (* y (/ 1 z)) into (/ y z)
* [misc]backup-simplify:  Simplify (- (/ y z)) into (- (/ y z))
* [misc]backup-simplify:  Simplify (+ y (- (/ y z))) into (- y (/ y z))
* [misc]taylor:  Taking taylor expansion of (- y (/ y z)) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ y z) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]backup-simplify:  Simplify (- (/ 1 z)) into (- (/ 1 z))
* [misc]backup-simplify:  Simplify (+ 1 (- (/ 1 z))) into (- 1 (/ 1 z))
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 4 (/ 1 y)) (+ (* y (/ 0 (/ 1 y))))) into (* 4 y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* y (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (* 0 (/ 1 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 y) 0) into (* 4 y)
* [misc]taylor:  Taking taylor expansion of (* 4 y) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 4 1) (* 0 0)) into 4
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* y (/ 0 (/ 1 y))) (* (* 4 y) (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* y (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 4 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (* 4 (* 1 (* (/ 1 y) 1))) (+ (* 1 (* 1 (* (/ 1 y) (/ 1 (/ 1 x))))) (* -1 (* (/ 1 (/ 1 z)) (* (/ 1 y) (/ 1 (/ 1 x))))))) into (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* [misc]approximate:  Taking taylor expansion of (- (/ (+ (/ 1 (- x)) 4) (/ 1 (- y))) (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z)))) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (- (/ (+ (/ 1 (- x)) 4) (/ 1 (- y))) (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z)))) in z
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) 4) (/ 1 (- y))) in z
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in z
* [misc]taylor:  Taking taylor expansion of (- x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in z
* [misc]taylor:  Taking taylor expansion of (- y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (+ (/ -1 x) 4) into (- 4 (/ 1 x))
* [misc]backup-simplify:  Simplify (/ (- 4 (/ 1 x)) (/ -1 y)) into (* -1 (* (- 4 (/ 1 x)) y))
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in z
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in z
* [misc]taylor:  Taking taylor expansion of (- x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in z
* [misc]taylor:  Taking taylor expansion of (- y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ (/ -1 x) (/ -1 y)) into (/ y x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in z
* [misc]taylor:  Taking taylor expansion of (- z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 (- x)) 4) (/ 1 (- y))) (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z)))) in y
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) 4) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ (/ -1 x) 4) into (- 4 (/ 1 x))
* [misc]backup-simplify:  Simplify (/ (- 4 (/ 1 x)) -1) into (* -1 (- 4 (/ 1 x)))
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (/ (/ -1 x) -1) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in y
* [misc]taylor:  Taking taylor expansion of (- z) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (- (/ (+ (/ 1 (- x)) 4) (/ 1 (- y))) (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z)))) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) 4) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (/ -1 (/ -1 y)) into y
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ -1 (/ -1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in x
* [misc]taylor:  Taking taylor expansion of (- z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (- (/ (+ (/ 1 (- x)) 4) (/ 1 (- y))) (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z)))) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) 4) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (/ -1 (/ -1 y)) into y
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ -1 (/ -1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in x
* [misc]taylor:  Taking taylor expansion of (- z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]backup-simplify:  Simplify (* y (/ -1 z)) into (* -1 (/ y z))
* [misc]backup-simplify:  Simplify (- (* -1 (/ y z))) into (/ y z)
* [misc]backup-simplify:  Simplify (+ y (/ y z)) into (+ (/ y z) y)
* [misc]taylor:  Taking taylor expansion of (+ (/ y z) y) in y
* [misc]taylor:  Taking taylor expansion of (/ y z) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (/ 1 z) 1) into (+ 1 (/ 1 z))
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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]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 4) into 4
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 4 (/ -1 y)) (+ (* y (/ 0 (/ -1 y))))) into (- (* 4 y))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* y (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (* 0 (/ -1 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (- (* 4 y)) 0) into (- (* 4 y))
* [misc]taylor:  Taking taylor expansion of (- (* 4 y)) in y
* [misc]taylor:  Taking taylor expansion of (* 4 y) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 4 1) (* 0 0)) into 4
* [misc]backup-simplify:  Simplify (- 4) into -4
* [misc]taylor:  Taking taylor expansion of -4 in z
* [misc]backup-simplify:  Simplify -4 into -4
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [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 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* y (/ 0 (/ -1 y))) (* (- (* 4 y)) (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))) (* 0 (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* y (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (+ (* 0 0) (* 0 (/ -1 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 4 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -4 into -4
* [misc]backup-simplify:  Simplify (+ (* -4 (* 1 (* (/ 1 (- y)) 1))) (+ (* 1 (* 1 (* (/ 1 (- y)) (/ 1 (/ 1 (- x)))))) (* 1 (* (/ 1 (/ 1 (- z))) (* (/ 1 (- y)) (/ 1 (/ 1 (- x)))))))) into (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * * * [misc]progress:  [ 3 / 3 ] generating series at (2 1 1)
* [misc]approximate:  Taking taylor expansion of (/ (+ x 4) y) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (+ x 4) y) in y
* [misc]taylor:  Taking taylor expansion of (+ x 4) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ x 4) into (+ x 4)
* [misc]backup-simplify:  Simplify (/ (+ x 4) 1) into (+ x 4)
* [misc]taylor:  Taking taylor expansion of (/ (+ x 4) y) in x
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (/ 4 y) into (/ 4 y)
* [misc]taylor:  Taking taylor expansion of (/ (+ x 4) y) in x
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (/ 4 y) into (/ 4 y)
* [misc]taylor:  Taking taylor expansion of (/ 4 y) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 4 1) into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 1 y) (+ (* (/ 4 y) (/ 0 y)))) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 4 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 4 y) (/ 0 y)) (* (/ 1 y) (/ 0 y)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 4 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 4 y) (/ 0 y)) (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 4 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (* (/ 1 y) x)) (* 4 (* (/ 1 y) 1))) into (+ (/ x y) (* 4 (/ 1 y)))
* [misc]approximate:  Taking taylor expansion of (/ (+ (/ 1 x) 4) (/ 1 y)) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) 4) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 4) into (+ (/ 1 x) 4)
* [misc]backup-simplify:  Simplify (/ (+ (/ 1 x) 4) 1) into (+ (/ 1 x) 4)
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) 4) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) 4) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 4 (/ 1 y)) (+ (* y (/ 0 (/ 1 y))))) into (* 4 y)
* [misc]taylor:  Taking taylor expansion of (* 4 y) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 4 1) (* 0 0)) into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* y (/ 0 (/ 1 y))) (* (* 4 y) (/ 0 (/ 1 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 4 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* y (/ 0 (/ 1 y))) (* (* 4 y) (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 4 (* (/ 1 y) 1)) (* 1 (* (/ 1 y) (/ 1 (/ 1 x))))) into (+ (/ x y) (* 4 (/ 1 y)))
* [misc]approximate:  Taking taylor expansion of (/ (+ (/ 1 (- x)) 4) (/ 1 (- y))) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) 4) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ (/ -1 x) 4) into (- 4 (/ 1 x))
* [misc]backup-simplify:  Simplify (/ (- 4 (/ 1 x)) -1) into (* -1 (- 4 (/ 1 x)))
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) 4) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (/ -1 (/ -1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) 4) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (/ -1 (/ -1 y)) into y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 4 (/ -1 y)) (+ (* y (/ 0 (/ -1 y))))) into (- (* 4 y))
* [misc]taylor:  Taking taylor expansion of (- (* 4 y)) in y
* [misc]taylor:  Taking taylor expansion of (* 4 y) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 4 1) (* 0 0)) into 4
* [misc]backup-simplify:  Simplify (- 4) into -4
* [misc]backup-simplify:  Simplify -4 into -4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) 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 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* y (/ 0 (/ -1 y))) (* (- (* 4 y)) (/ 0 (/ -1 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 4 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) 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 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* y (/ 0 (/ -1 y))) (* (- (* 4 y)) (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* -4 (* (/ 1 (- y)) 1)) (* 1 (* (/ 1 (- y)) (/ 1 (/ 1 (- x)))))) into (+ (/ x y) (* 4 (/ 1 y)))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (pow (* (/ x y) z) 1))))>
* * * * [misc]progress:  [ 2 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (exp (log (* (/ x y) z))))))>
* * * * [misc]progress:  [ 3 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (log (exp (* (/ x y) z))))))>
* * * * [misc]progress:  [ 4 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* (* (cbrt (* (/ x y) z)) (cbrt (* (/ x y) z))) (cbrt (* (/ x y) z))))))>
* * * * [misc]progress:  [ 5 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (cbrt (* (* (* (/ x y) z) (* (/ x y) z)) (* (/ x y) z))))))>
* * * * [misc]progress:  [ 6 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* (sqrt (* (/ x y) z)) (sqrt (* (/ x y) z))))))>
* * * * [misc]progress:  [ 7 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* 1 (* (/ x y) z)))))>
* * * * [misc]progress:  [ 8 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* (* (cbrt (/ x y)) (cbrt (/ x y))) (* (cbrt (/ x y)) z)))))>
* [enter]simplify:  Simplifying (* (cbrt (/ x y)) (cbrt (/ x y)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* [exit]simplify:  Simplified to (* (cbrt (/ x y)) (cbrt (/ x y)))
* [misc]simplify:  Simplified (2 1 2 1) to (λ (x y z) (fabs (- (/ (+ x 4) y) (* (* (cbrt (/ x y)) (cbrt (/ x y))) (* (cbrt (/ x y)) z)))))
* * * * [misc]progress:  [ 9 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* (sqrt (/ x y)) (* (sqrt (/ x y)) z)))))>
* [enter]simplify:  Simplifying (sqrt (/ x y))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (sqrt (/ x y))
* [misc]simplify:  Simplified (2 1 2 1) to (λ (x y z) (fabs (- (/ (+ x 4) y) (* (sqrt (/ x y)) (* (sqrt (/ x y)) z)))))
* * * * [misc]progress:  [ 10 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* 1 (* (/ x y) z)))))>
* * * * [misc]progress:  [ 11 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* x (* (/ 1 y) z)))))>
* * * * [misc]progress:  [ 12 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (* x z)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (* x z)
* [misc]simplify:  Simplified (2 1 2 1) to (λ (x y z) (fabs (- (/ (+ x 4) y) (/ (* x z) y))))
* * * * [misc]progress:  [ 13 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* z (/ x y)))))>
* * * * [misc]progress:  [ 14 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (log (/ (exp (/ (+ x 4) y)) (exp (* (/ x y) z))))))>
* [enter]simplify:  Simplifying (/ (exp (/ (+ x 4) y)) (exp (* (/ x y) z)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (67 enodes)
* [exit]simplify:  Simplified to (exp (- (/ (+ 4 x) y) (/ (* z x) y)))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (log (exp (- (/ (+ 4 x) y) (/ (* z x) y))))))
* * * * [misc]progress:  [ 15 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (pow (- (/ (+ x 4) y) (* (/ x y) z)) 1)))>
* * * * [misc]progress:  [ 16 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (exp (log (- (/ (+ x 4) y) (* (/ x y) z))))))>
* * * * [misc]progress:  [ 17 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (log (exp (- (/ (+ x 4) y) (* (/ x y) z))))))>
* * * * [misc]progress:  [ 18 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (* (cbrt (- (/ (+ x 4) y) (* (/ x y) z))) (cbrt (- (/ (+ x 4) y) (* (/ x y) z)))) (cbrt (- (/ (+ x 4) y) (* (/ x y) z))))))>
* * * * [misc]progress:  [ 19 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (cbrt (* (* (- (/ (+ x 4) y) (* (/ x y) z)) (- (/ (+ x 4) y) (* (/ x y) z))) (- (/ (+ x 4) y) (* (/ x y) z))))))>
* * * * [misc]progress:  [ 20 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (sqrt (- (/ (+ x 4) y) (* (/ x y) z))) (sqrt (- (/ (+ x 4) y) (* (/ x y) z))))))>
* * * * [misc]progress:  [ 21 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))>
* [enter]simplify:  Simplifying (- (+ x 4) (* x z))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (- (+ 4 x) (* z x))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (- (+ 4 x) (* z x)) y)))
* * * * [misc]progress:  [ 22 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ x 4) y) (* y (* x z))) (* y y))))>
* [enter]simplify:  Simplifying (- (* (+ x 4) y) (* y (* x z)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (42 enodes)
* * [misc]simplify:  iters left: 3 (84 enodes)
* * [misc]simplify:  iters left: 2 (119 enodes)
* * [misc]simplify:  iters left: 1 (144 enodes)
* [exit]simplify:  Simplified to (* y (- (+ 4 x) (* z x)))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (* y (- (+ 4 x) (* z x))) (* y y))))
* [enter]simplify:  Simplifying (* y y)
* * [misc]simplify:  iters left: 2 (2 enodes)
* [exit]simplify:  Simplified to (* y y)
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (/ (* y (- (+ 4 x) (* z x))) (* y y))))
* * * * [misc]progress:  [ 23 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (pow (/ (+ x 4) y) 3) (pow (* (/ x y) z) 3)) (+ (* (/ (+ x 4) y) (/ (+ x 4) y)) (+ (* (* (/ x y) z) (* (/ x y) z)) (* (/ (+ x 4) y) (* (/ x y) z)))))))>
* * * * [misc]progress:  [ 24 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (+ (/ (+ x 4) y) (- (* (/ x y) z)))))>
* * * * [misc]progress:  [ 25 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (* 1 (- (/ (+ x 4) y) (* (/ x y) z)))))>
* * * * [misc]progress:  [ 26 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (/ (+ x 4) y) (/ (+ x 4) y)) (* (* (/ x y) z) (* (/ x y) z))) (+ (/ (+ x 4) y) (* (/ x y) z)))))>
* * * * [misc]progress:  [ 27 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (+ (/ (+ x 4) y) (- (* (/ x y) z)))))>
* * * * [misc]progress:  [ 28 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (pow (/ (+ x 4) y) 1) (* (/ x y) z))))>
* * * * [misc]progress:  [ 29 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (exp (log (/ (+ x 4) y))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 30 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (log (exp (/ (+ x 4) y))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 31 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (* (* (cbrt (/ (+ x 4) y)) (cbrt (/ (+ x 4) y))) (cbrt (/ (+ x 4) y))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 32 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (cbrt (* (* (/ (+ x 4) y) (/ (+ x 4) y)) (/ (+ x 4) y))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 33 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (* (sqrt (/ (+ x 4) y)) (sqrt (/ (+ x 4) y))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 34 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (- (+ x 4)) (- y)) (* (/ x y) z))))>
* * * * [misc]progress:  [ 35 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (* 1 (/ (+ x 4) y)) (* (/ x y) z))))>
* * * * [misc]progress:  [ 36 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (* (+ x 4) (/ 1 y)) (* (/ x y) z))))>
* * * * [misc]progress:  [ 37 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 38 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (* (cbrt (+ x 4)) (cbrt (+ x 4))) (/ y (cbrt (+ x 4)))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (* (cbrt (+ x 4)) (cbrt (+ x 4)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (6 enodes)
* [exit]simplify:  Simplified to (* (cbrt (+ 4 x)) (cbrt (+ 4 x)))
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (- (/ (* (cbrt (+ 4 x)) (cbrt (+ 4 x))) (/ y (cbrt (+ x 4)))) (* (/ x y) z))))
* * * * [misc]progress:  [ 39 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (sqrt (+ x 4)) (/ y (sqrt (+ x 4)))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (sqrt (+ x 4))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (5 enodes)
* [exit]simplify:  Simplified to (sqrt (+ 4 x))
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (- (/ (sqrt (+ 4 x)) (/ y (sqrt (+ x 4)))) (* (/ x y) z))))
* * * * [misc]progress:  [ 40 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 41 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ (pow x 3) (pow 4 3)) (* y (+ (* x x) (- (* 4 4) (* x 4))))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (+ (pow x 3) (pow 4 3))
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* [exit]simplify:  Simplified to (+ (pow x 3) 64)
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (- (/ (+ (pow x 3) 64) (* y (+ (* x x) (- (* 4 4) (* x 4))))) (* (/ x y) z))))
* * * * [misc]progress:  [ 42 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (- (* x x) (* 4 4)) (* y (- x 4))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (- (* x x) (* 4 4))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (18 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (+ -16 (* x x))
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (- (/ (+ -16 (* x x)) (* y (- x 4))) (* (/ x y) z))))
* * * * [misc]progress:  [ 43 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (/ (* x z) y)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (/ z (/ y x))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (- (/ (+ x 4) y) (/ z (/ y x)))))
* * * * [misc]progress:  [ 44 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (/ (* x z) y)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (/ z (/ y x))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (- (/ (+ x 4) y) (/ z (/ y x)))))
* * * * [misc]progress:  [ 45 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (/ (* x z) y)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (/ z (/ y x))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (- (/ (+ x 4) y) (/ z (/ y x)))))
* * * * [misc]progress:  [ 46 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (64 enodes)
* * [misc]simplify:  iters left: 2 (78 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))
* * * * [misc]progress:  [ 47 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (64 enodes)
* * [misc]simplify:  iters left: 2 (78 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))
* * * * [misc]progress:  [ 48 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (64 enodes)
* * [misc]simplify:  iters left: 2 (78 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))
* * * * [misc]progress:  [ 49 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (+ (/ x y) (* 4 (/ 1 y)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (+ (/ x y) (/ 4 y))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (* (/ x y) z))))
* * * * [misc]progress:  [ 50 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (+ (/ x y) (* 4 (/ 1 y)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (+ (/ x y) (/ 4 y))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (* (/ x y) z))))
* * * * [misc]progress:  [ 51 / 51 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (+ (/ x y) (* 4 (/ 1 y)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (+ (/ x y) (/ 4 y))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (* (/ x y) z))))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 4 ] rewriting at (2 1 2)
* * * * [misc]progress:  [ 2 / 4 ] rewriting at (2 1)
* * * * [misc]progress:  [ 3 / 4 ] rewriting at (2 1 1)
* * * * [misc]progress:  [ 4 / 4 ] rewriting at (2 1 1 2)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 4 ] generating series at (2 1 2)
* [misc]approximate:  Taking taylor expansion of (* (/ x y) z) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in z
* [misc]taylor:  Taking taylor expansion of (/ x y) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ x y) into (/ x y)
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in y
* [misc]taylor:  Taking taylor expansion of (/ x y) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ x 1) into x
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in x
* [misc]taylor:  Taking taylor expansion of (/ x y) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in x
* [misc]taylor:  Taking taylor expansion of (/ x y) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (* (/ 1 y) z) into (/ z y)
* [misc]taylor:  Taking taylor expansion of (/ z y) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ z 1) into z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 y) (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 y) 0) (* 0 z)) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* z (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 y) 0) (+ (* 0 0) (* 0 z))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* z (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 0) (* 0 z)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 1 (* z (* (/ 1 y) x))) into (/ (* x z) y)
* [misc]approximate:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ (/ 1 x) (/ 1 y)) into (/ y x)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 x) (/ 1 y)) (/ 1 z)) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 1) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]backup-simplify:  Simplify (* y (/ 1 z)) into (/ y z)
* [misc]taylor:  Taking taylor expansion of (/ y z) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* y (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (* 0 (/ 1 z))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* y (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* y (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 1 (* (/ 1 (/ 1 z)) (* (/ 1 y) (/ 1 (/ 1 x))))) into (/ (* x z) y)
* [misc]approximate:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in z
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in z
* [misc]taylor:  Taking taylor expansion of (- x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in z
* [misc]taylor:  Taking taylor expansion of (- y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ (/ -1 x) (/ -1 y)) into (/ y x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in z
* [misc]taylor:  Taking taylor expansion of (- z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 (- x)) (/ 1 (- y))) (/ 1 (- z))) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (/ (/ -1 x) -1) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in y
* [misc]taylor:  Taking taylor expansion of (- z) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ -1 (/ -1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in x
* [misc]taylor:  Taking taylor expansion of (- z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ -1 (/ -1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in x
* [misc]taylor:  Taking taylor expansion of (- z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]backup-simplify:  Simplify (* y (/ -1 z)) into (* -1 (/ y z))
* [misc]taylor:  Taking taylor expansion of (* -1 (/ y z)) in y
* [misc]taylor:  Taking taylor expansion of -1 in y
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of (/ y z) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]backup-simplify:  Simplify (* -1 (/ 1 z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (/ -1 z) in z
* [misc]taylor:  Taking taylor expansion of -1 in z
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ -1 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* y (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (* 0 (/ -1 z))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ 1 z))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))) (* 0 (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* y (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (+ (* 0 0) (* 0 (/ -1 z)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))) (* 0 (/ 0 (- z))) (* 0 (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* y (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 z))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* -1 (* (/ 1 (/ 1 (- z))) (* (/ 1 (- y)) (/ 1 (/ 1 (- x)))))) into (/ (* x z) y)
* * * * [misc]progress:  [ 2 / 4 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (- (/ 1 (/ y (+ x 4))) (* (/ x y) z)) in (y x z) around 0
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (/ y (+ x 4))) (* (/ x y) z)) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ y (+ x 4))) in z
* [misc]taylor:  Taking taylor expansion of (/ y (+ x 4)) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (+ x 4) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ x 4) into (+ x 4)
* [misc]backup-simplify:  Simplify (/ y (+ x 4)) into (/ y (+ x 4))
* [misc]backup-simplify:  Simplify (/ 1 (/ y (+ x 4))) into (/ (+ x 4) y)
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in z
* [misc]taylor:  Taking taylor expansion of (/ x y) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ x y) into (/ x y)
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (/ y (+ x 4))) (* (/ x y) z)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ y (+ x 4))) in x
* [misc]taylor:  Taking taylor expansion of (/ y (+ x 4)) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (/ y 4) into (* 1/4 y)
* [misc]backup-simplify:  Simplify (/ 1 (* 1/4 y)) into (/ 4 y)
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in x
* [misc]taylor:  Taking taylor expansion of (/ x y) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (/ y (+ x 4))) (* (/ x y) z)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ y (+ x 4))) in y
* [misc]taylor:  Taking taylor expansion of (/ y (+ x 4)) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ x 4) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ x 4) into (+ x 4)
* [misc]backup-simplify:  Simplify (/ 1 (+ x 4)) into (/ 1 (+ x 4))
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 (+ x 4))) into (+ x 4)
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in y
* [misc]taylor:  Taking taylor expansion of (/ x y) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ x 1) into x
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (/ y (+ x 4))) (* (/ x y) z)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ y (+ x 4))) in y
* [misc]taylor:  Taking taylor expansion of (/ y (+ x 4)) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ x 4) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ x 4) into (+ x 4)
* [misc]backup-simplify:  Simplify (/ 1 (+ x 4)) into (/ 1 (+ x 4))
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 (+ x 4))) into (+ x 4)
* [misc]taylor:  Taking taylor expansion of (* (/ x y) z) in y
* [misc]taylor:  Taking taylor expansion of (/ x y) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ x 1) into x
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (* x z) into (* x z)
* [misc]backup-simplify:  Simplify (- (* x z)) into (- (* x z))
* [misc]backup-simplify:  Simplify (+ (+ x 4) (- (* x z))) into (- (+ x 4) (* x z))
* [misc]taylor:  Taking taylor expansion of (- (+ x 4) (* x z)) in x
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* x z) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (* 0 z) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ x 4)) (+ (* (/ 1 (+ x 4)) (/ 0 (+ x 4))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (+ x 4) (/ 0 (/ 1 (+ x 4)))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* x (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* x 0) (* 0 z)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 z)) into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (+ 1 (- z)) into (- 1 z)
* [misc]taylor:  Taking taylor expansion of (- 1 z) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in z
* [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 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ x 4)) (+ (* (/ 1 (+ x 4)) (/ 0 (+ x 4))) (* 0 (/ 0 (+ x 4))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (+ x 4) (/ 0 (/ 1 (+ x 4)))) (* 0 (/ 0 (/ 1 (+ x 4)))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* x 0) (+ (* 0 0) (* 0 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ (* -1 (* z (* x (/ 1 y)))) (+ (* 1 (* 1 (* x (/ 1 y)))) (* 4 (* 1 (* 1 (/ 1 y)))))) into (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* [misc]approximate:  Taking taylor expansion of (- (/ 1 (/ (/ 1 y) (+ (/ 1 x) 4))) (* (/ (/ 1 x) (/ 1 y)) (/ 1 z))) in (y x z) around 0
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (/ (/ 1 y) (+ (/ 1 x) 4))) (* (/ (/ 1 x) (/ 1 y)) (/ 1 z))) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (/ 1 y) (+ (/ 1 x) 4))) in z
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 y) (+ (/ 1 x) 4)) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (/ 1 x) 4) into (+ (/ 1 x) 4)
* [misc]backup-simplify:  Simplify (/ (/ 1 y) (+ (/ 1 x) 4)) into (/ 1 (* (+ (/ 1 x) 4) y))
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 (* (+ (/ 1 x) 4) y))) into (* (+ (/ 1 x) 4) y)
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ (/ 1 x) (/ 1 y)) into (/ y x)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 (/ (/ 1 y) (+ (/ 1 x) 4))) (* (/ (/ 1 x) (/ 1 y)) (/ 1 z))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (/ 1 y) (+ (/ 1 x) 4))) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 y) (+ (/ 1 x) 4)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (/ 1 y) 1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (/ (/ 1 y) (+ (/ 1 x) 4))) (* (/ (/ 1 x) (/ 1 y)) (/ 1 z))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (/ 1 y) (+ (/ 1 x) 4))) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 y) (+ (/ 1 x) 4)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (/ 1 x) 4) into (+ (/ 1 x) 4)
* [misc]backup-simplify:  Simplify (/ 1 (+ (/ 1 x) 4)) into (/ 1 (+ (/ 1 x) 4))
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 (+ (/ 1 x) 4))) into (+ (/ 1 x) 4)
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 1) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (/ (/ 1 y) (+ (/ 1 x) 4))) (* (/ (/ 1 x) (/ 1 y)) (/ 1 z))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (/ 1 y) (+ (/ 1 x) 4))) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 y) (+ (/ 1 x) 4)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (/ 1 x) 4) into (+ (/ 1 x) 4)
* [misc]backup-simplify:  Simplify (/ 1 (+ (/ 1 x) 4)) into (/ 1 (+ (/ 1 x) 4))
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 (+ (/ 1 x) 4))) into (+ (/ 1 x) 4)
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 x) (/ 1 y)) (/ 1 z)) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 1) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]backup-simplify:  Simplify (* (/ 1 x) (/ 1 z)) into (/ 1 (* x z))
* [misc]backup-simplify:  Simplify (- (/ 1 (* x z))) into (- (/ 1 (* x z)))
* [misc]backup-simplify:  Simplify (+ (+ (/ 1 x) 4) (- (/ 1 (* x z)))) into (- (+ (/ 1 x) 4) (/ 1 (* x z)))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 4) (/ 1 (* x z))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 (* x z)) in x
* [misc]taylor:  Taking taylor expansion of (* x z) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (* 0 z) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 z)) into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 1 z)) into (- (/ 1 z))
* [misc]backup-simplify:  Simplify (+ 1 (- (/ 1 z))) into (- 1 (/ 1 z))
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ (/ 1 x) 4)) (+ (* (/ 1 (+ (/ 1 x) 4)) (/ 0 (+ (/ 1 x) 4))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (+ (/ 1 x) 4) (/ 0 (/ 1 (+ (/ 1 x) 4)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (/ 1 x) (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 x) 0) (* 0 (/ 1 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 z))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ (/ 1 x) 4)) (+ (* (/ 1 (+ (/ 1 x) 4)) (/ 0 (+ (/ 1 x) 4))) (* 0 (/ 0 (+ (/ 1 x) 4))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (+ (/ 1 x) 4) (/ 0 (/ 1 (+ (/ 1 x) 4)))) (* 0 (/ 0 (/ 1 (+ (/ 1 x) 4)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (/ 1 x) (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 x) 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (* 4 (* 1 (* 1 (/ 1 y)))) (+ (* 1 (* 1 (* (/ 1 (/ 1 x)) (/ 1 y)))) (* -1 (* (/ 1 (/ 1 z)) (* (/ 1 (/ 1 x)) (/ 1 y)))))) into (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* [misc]approximate:  Taking taylor expansion of (- (/ 1 (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4))) (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z)))) in (y x z) around 0
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4))) (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z)))) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4))) in z
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4)) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in z
* [misc]taylor:  Taking taylor expansion of (- y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in z
* [misc]taylor:  Taking taylor expansion of (- x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (/ -1 x) 4) into (- 4 (/ 1 x))
* [misc]backup-simplify:  Simplify (/ (/ -1 y) (- 4 (/ 1 x))) into (/ -1 (* (- 4 (/ 1 x)) y))
* [misc]backup-simplify:  Simplify (/ 1 (/ -1 (* (- 4 (/ 1 x)) y))) into (* -1 (* (- 4 (/ 1 x)) y))
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in z
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in z
* [misc]taylor:  Taking taylor expansion of (- x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in z
* [misc]taylor:  Taking taylor expansion of (- y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ (/ -1 x) (/ -1 y)) into (/ y x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in z
* [misc]taylor:  Taking taylor expansion of (- z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4))) (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z)))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4))) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (/ (/ -1 y) -1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ -1 (/ -1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in x
* [misc]taylor:  Taking taylor expansion of (- z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4))) (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z)))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4))) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (- x)) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (/ -1 x) 4) into (- 4 (/ 1 x))
* [misc]backup-simplify:  Simplify (/ -1 (- 4 (/ 1 x))) into (/ -1 (- 4 (/ 1 x)))
* [misc]backup-simplify:  Simplify (/ 1 (/ -1 (- 4 (/ 1 x)))) into (* -1 (- 4 (/ 1 x)))
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (/ (/ -1 x) -1) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in y
* [misc]taylor:  Taking taylor expansion of (- z) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4))) (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z)))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4))) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (- x)) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (/ -1 x) 4) into (- 4 (/ 1 x))
* [misc]backup-simplify:  Simplify (/ -1 (- 4 (/ 1 x))) into (/ -1 (- 4 (/ 1 x)))
* [misc]backup-simplify:  Simplify (/ 1 (/ -1 (- 4 (/ 1 x)))) into (* -1 (- 4 (/ 1 x)))
* [misc]taylor:  Taking taylor expansion of (* (/ (/ 1 (- x)) (/ 1 (- y))) (/ 1 (- z))) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (/ (/ -1 x) -1) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in y
* [misc]taylor:  Taking taylor expansion of (- z) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]backup-simplify:  Simplify (* (/ 1 x) (/ -1 z)) into (/ -1 (* x z))
* [misc]backup-simplify:  Simplify (- (/ -1 (* x z))) into (/ 1 (* x z))
* [misc]backup-simplify:  Simplify (+ (* -1 (- 4 (/ 1 x))) (/ 1 (* x z))) into (- (+ (/ 1 x) (/ 1 (* x z))) 4)
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) (/ 1 (* x z))) 4) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) (/ 1 (* x z))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (* x z)) in x
* [misc]taylor:  Taking taylor expansion of (* x z) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (* 0 z) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 z)) into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 1 (/ 1 z)) into (+ 1 (/ 1 z))
* [misc]backup-simplify:  Simplify (+ (+ 1 (/ 1 z)) 0) into (+ 1 (/ 1 z))
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- 4 (/ 1 x))) (+ (* (/ -1 (- 4 (/ 1 x))) (/ 0 (- 4 (/ 1 x)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (* -1 (- 4 (/ 1 x))) (/ 0 (/ -1 (- 4 (/ 1 x))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (/ 1 x) (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 x) 0) (* 0 (/ -1 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 z))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 4) into -4
* [misc]backup-simplify:  Simplify (+ 0 -4) into -4
* [misc]taylor:  Taking taylor expansion of -4 in z
* [misc]backup-simplify:  Simplify -4 into -4
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [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 (- x) into (- x)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))) (* 0 (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- 4 (/ 1 x))) (+ (* (/ -1 (- 4 (/ 1 x))) (/ 0 (- 4 (/ 1 x)))) (* 0 (/ 0 (- 4 (/ 1 x)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (* -1 (- 4 (/ 1 x))) (/ 0 (/ -1 (- 4 (/ 1 x))))) (* 0 (/ 0 (/ -1 (- 4 (/ 1 x))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))) (* 0 (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))) (* 0 (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (/ 1 x) (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 x) 0) (+ (* 0 0) (* 0 (/ -1 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -4 into -4
* [misc]backup-simplify:  Simplify (+ (* -4 (* 1 (* 1 (/ 1 (- y))))) (+ (* 1 (* 1 (* (/ 1 (/ 1 (- x))) (/ 1 (- y))))) (* 1 (* (/ 1 (/ 1 (- z))) (* (/ 1 (/ 1 (- x))) (/ 1 (- y))))))) into (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * * * [misc]progress:  [ 3 / 4 ] generating series at (2 1 1)
* [misc]approximate:  Taking taylor expansion of (/ 1 (/ y (+ x 4))) in (y x) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ y (+ x 4))) in x
* [misc]taylor:  Taking taylor expansion of (/ y (+ x 4)) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (/ y 4) into (* 1/4 y)
* [misc]backup-simplify:  Simplify (/ 1 (* 1/4 y)) into (/ 4 y)
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ y (+ x 4))) in y
* [misc]taylor:  Taking taylor expansion of (/ y (+ x 4)) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ x 4) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ x 4) into (+ x 4)
* [misc]backup-simplify:  Simplify (/ 1 (+ x 4)) into (/ 1 (+ x 4))
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 (+ x 4))) into (+ x 4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ y (+ x 4))) in y
* [misc]taylor:  Taking taylor expansion of (/ y (+ x 4)) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ x 4) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ x 4) into (+ x 4)
* [misc]backup-simplify:  Simplify (/ 1 (+ x 4)) into (/ 1 (+ x 4))
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 (+ x 4))) into (+ x 4)
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ x 4)) (+ (* (/ 1 (+ x 4)) (/ 0 (+ x 4))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (+ x 4) (/ 0 (/ 1 (+ x 4)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ x 4)) (+ (* (/ 1 (+ x 4)) (/ 0 (+ x 4))) (* 0 (/ 0 (+ x 4))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (+ x 4) (/ 0 (/ 1 (+ x 4)))) (* 0 (/ 0 (/ 1 (+ x 4)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ x 4)) (+ (* (/ 1 (+ x 4)) (/ 0 (+ x 4))) (* 0 (/ 0 (+ x 4))) (* 0 (/ 0 (+ x 4))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (+ x 4) (/ 0 (/ 1 (+ x 4)))) (* 0 (/ 0 (/ 1 (+ x 4)))) (* 0 (/ 0 (/ 1 (+ x 4)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (* x (/ 1 y))) (* 4 (* 1 (/ 1 y)))) into (+ (/ x y) (* 4 (/ 1 y)))
* [misc]approximate:  Taking taylor expansion of (/ 1 (/ (/ 1 y) (+ (/ 1 x) 4))) in (y x) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (/ 1 y) (+ (/ 1 x) 4))) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 y) (+ (/ 1 x) 4)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (/ 1 y) 1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (/ 1 y) (+ (/ 1 x) 4))) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 y) (+ (/ 1 x) 4)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (/ 1 x) 4) into (+ (/ 1 x) 4)
* [misc]backup-simplify:  Simplify (/ 1 (+ (/ 1 x) 4)) into (/ 1 (+ (/ 1 x) 4))
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 (+ (/ 1 x) 4))) into (+ (/ 1 x) 4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (/ 1 y) (+ (/ 1 x) 4))) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 y) (+ (/ 1 x) 4)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (/ 1 x) 4) into (+ (/ 1 x) 4)
* [misc]backup-simplify:  Simplify (/ 1 (+ (/ 1 x) 4)) into (/ 1 (+ (/ 1 x) 4))
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 (+ (/ 1 x) 4))) into (+ (/ 1 x) 4)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ (/ 1 x) 4)) (+ (* (/ 1 (+ (/ 1 x) 4)) (/ 0 (+ (/ 1 x) 4))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (+ (/ 1 x) 4) (/ 0 (/ 1 (+ (/ 1 x) 4)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ (/ 1 x) 4)) (+ (* (/ 1 (+ (/ 1 x) 4)) (/ 0 (+ (/ 1 x) 4))) (* 0 (/ 0 (+ (/ 1 x) 4))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (+ (/ 1 x) 4) (/ 0 (/ 1 (+ (/ 1 x) 4)))) (* 0 (/ 0 (/ 1 (+ (/ 1 x) 4)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [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 (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ (/ 1 x) 4)) (+ (* (/ 1 (+ (/ 1 x) 4)) (/ 0 (+ (/ 1 x) 4))) (* 0 (/ 0 (+ (/ 1 x) 4))) (* 0 (/ 0 (+ (/ 1 x) 4))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (+ (/ 1 x) 4) (/ 0 (/ 1 (+ (/ 1 x) 4)))) (* 0 (/ 0 (/ 1 (+ (/ 1 x) 4)))) (* 0 (/ 0 (/ 1 (+ (/ 1 x) 4)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ (/ 1 x) 4)) (+ (* (/ 1 (+ (/ 1 x) 4)) (/ 0 (+ (/ 1 x) 4))) (* 0 (/ 0 (+ (/ 1 x) 4))) (* 0 (/ 0 (+ (/ 1 x) 4))) (* 0 (/ 0 (+ (/ 1 x) 4))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (+ (/ 1 x) 4) (/ 0 (/ 1 (+ (/ 1 x) 4)))) (* 0 (/ 0 (/ 1 (+ (/ 1 x) 4)))) (* 0 (/ 0 (/ 1 (+ (/ 1 x) 4)))) (* 0 (/ 0 (/ 1 (+ (/ 1 x) 4)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 4 (* 1 (/ 1 y))) (* 1 (* (/ 1 (/ 1 x)) (/ 1 y)))) into (+ (/ x y) (* 4 (/ 1 y)))
* [misc]approximate:  Taking taylor expansion of (/ 1 (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4))) in (y x) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4))) in x
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (/ (/ -1 y) -1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4))) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (- x)) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (/ -1 x) 4) into (- 4 (/ 1 x))
* [misc]backup-simplify:  Simplify (/ -1 (- 4 (/ 1 x))) into (/ -1 (- 4 (/ 1 x)))
* [misc]backup-simplify:  Simplify (/ 1 (/ -1 (- 4 (/ 1 x)))) into (* -1 (- 4 (/ 1 x)))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4))) in y
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (- x)) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (/ -1 x) 4) into (- 4 (/ 1 x))
* [misc]backup-simplify:  Simplify (/ -1 (- 4 (/ 1 x))) into (/ -1 (- 4 (/ 1 x)))
* [misc]backup-simplify:  Simplify (/ 1 (/ -1 (- 4 (/ 1 x)))) into (* -1 (- 4 (/ 1 x)))
* [misc]taylor:  Taking taylor expansion of (* -1 (- 4 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of -1 in x
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of (- 4 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- 4 (/ 1 x))) (+ (* (/ -1 (- 4 (/ 1 x))) (/ 0 (- 4 (/ 1 x)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (* -1 (- 4 (/ 1 x))) (/ 0 (/ -1 (- 4 (/ 1 x))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (+ (* -1 4) (* 0 -1)) into -4
* [misc]backup-simplify:  Simplify -4 into -4
* [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 (- x) into (- x)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))) (* 0 (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- 4 (/ 1 x))) (+ (* (/ -1 (- 4 (/ 1 x))) (/ 0 (- 4 (/ 1 x)))) (* 0 (/ 0 (- 4 (/ 1 x)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (* -1 (- 4 (/ 1 x))) (/ 0 (/ -1 (- 4 (/ 1 x))))) (* 0 (/ 0 (/ -1 (- 4 (/ 1 x))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [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 (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 4) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) 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 (- x) into (- x)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))) (* 0 (/ 0 (- x))) (* 0 (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- 4 (/ 1 x))) (+ (* (/ -1 (- 4 (/ 1 x))) (/ 0 (- 4 (/ 1 x)))) (* 0 (/ 0 (- 4 (/ 1 x)))) (* 0 (/ 0 (- 4 (/ 1 x)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (* -1 (- 4 (/ 1 x))) (/ 0 (/ -1 (- 4 (/ 1 x))))) (* 0 (/ 0 (/ -1 (- 4 (/ 1 x))))) (* 0 (/ 0 (/ -1 (- 4 (/ 1 x))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 4) (* 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) 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)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))) (* 0 (/ 0 (- x))) (* 0 (/ 0 (- x))) (* 0 (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- 4 (/ 1 x))) (+ (* (/ -1 (- 4 (/ 1 x))) (/ 0 (- 4 (/ 1 x)))) (* 0 (/ 0 (- 4 (/ 1 x)))) (* 0 (/ 0 (- 4 (/ 1 x)))) (* 0 (/ 0 (- 4 (/ 1 x)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (* -1 (- 4 (/ 1 x))) (/ 0 (/ -1 (- 4 (/ 1 x))))) (* 0 (/ 0 (/ -1 (- 4 (/ 1 x))))) (* 0 (/ 0 (/ -1 (- 4 (/ 1 x))))) (* 0 (/ 0 (/ -1 (- 4 (/ 1 x))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* -4 (* 1 (/ 1 (- y)))) (* 1 (* (/ 1 (/ 1 (- x))) (/ 1 (- y))))) into (+ (/ x y) (* 4 (/ 1 y)))
* * * * [misc]progress:  [ 4 / 4 ] generating series at (2 1 1 2)
* [misc]approximate:  Taking taylor expansion of (/ y (+ x 4)) in (y x) around 0
* [misc]taylor:  Taking taylor expansion of (/ y (+ x 4)) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (/ y 4) into (* 1/4 y)
* [misc]taylor:  Taking taylor expansion of (/ y (+ x 4)) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ x 4) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ x 4) into (+ x 4)
* [misc]backup-simplify:  Simplify (/ 1 (+ x 4)) into (/ 1 (+ x 4))
* [misc]taylor:  Taking taylor expansion of (/ y (+ x 4)) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ x 4) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ x 4) into (+ x 4)
* [misc]backup-simplify:  Simplify (/ 1 (+ x 4)) into (/ 1 (+ x 4))
* [misc]taylor:  Taking taylor expansion of (/ 1 (+ x 4)) in x
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (/ 1 4) into 1/4
* [misc]backup-simplify:  Simplify 1/4 into 1/4
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ x 4)) (+ (* (/ 1 (+ x 4)) (/ 0 (+ x 4))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1/4 (/ 1 4)))) into -1/16
* [misc]backup-simplify:  Simplify -1/16 into -1/16
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ x 4)) (+ (* (/ 1 (+ x 4)) (/ 0 (+ x 4))) (* 0 (/ 0 (+ x 4))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1/4 (/ 0 4)) (* -1/16 (/ 1 4)))) into 1/64
* [misc]backup-simplify:  Simplify 1/64 into 1/64
* [misc]backup-simplify:  Simplify (+ (* 1/64 (* (pow x 2) y)) (+ (* -1/16 (* x y)) (* 1/4 (* 1 y)))) into (- (+ (* 1/64 (* (pow x 2) y)) (* 1/4 y)) (* 1/16 (* x y)))
* [misc]approximate:  Taking taylor expansion of (/ (/ 1 y) (+ (/ 1 x) 4)) in (y x) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 y) (+ (/ 1 x) 4)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (/ 1 y) 1) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 y) (+ (/ 1 x) 4)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (/ 1 x) 4) into (+ (/ 1 x) 4)
* [misc]backup-simplify:  Simplify (/ 1 (+ (/ 1 x) 4)) into (/ 1 (+ (/ 1 x) 4))
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 y) (+ (/ 1 x) 4)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (/ 1 x) 4) into (+ (/ 1 x) 4)
* [misc]backup-simplify:  Simplify (/ 1 (+ (/ 1 x) 4)) into (/ 1 (+ (/ 1 x) 4))
* [misc]taylor:  Taking taylor expansion of (/ 1 (+ (/ 1 x) 4)) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ (/ 1 x) 4)) (+ (* (/ 1 (+ (/ 1 x) 4)) (/ 0 (+ (/ 1 x) 4))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 4 1)))) into -4
* [misc]backup-simplify:  Simplify -4 into -4
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ (/ 1 x) 4)) (+ (* (/ 1 (+ (/ 1 x) 4)) (/ 0 (+ (/ 1 x) 4))) (* 0 (/ 0 (+ (/ 1 x) 4))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* -4 (/ 4 1)))) into 16
* [misc]backup-simplify:  Simplify 16 into 16
* [misc]backup-simplify:  Simplify (+ (* 16 (* (pow (/ 1 x) 3) (/ 1 (/ 1 y)))) (+ (* -4 (* (pow (/ 1 x) 2) (/ 1 (/ 1 y)))) (* 1 (* (/ 1 x) (/ 1 (/ 1 y)))))) into (- (+ (/ y x) (* 16 (/ y (pow x 3)))) (* 4 (/ y (pow x 2))))
* [misc]approximate:  Taking taylor expansion of (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4)) in (y x) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (/ (/ -1 y) -1) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (- x)) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (/ -1 x) 4) into (- 4 (/ 1 x))
* [misc]backup-simplify:  Simplify (/ -1 (- 4 (/ 1 x))) into (/ -1 (- 4 (/ 1 x)))
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- y)) (+ (/ 1 (- x)) 4)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (- x)) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (/ -1 x) 4) into (- 4 (/ 1 x))
* [misc]backup-simplify:  Simplify (/ -1 (- 4 (/ 1 x))) into (/ -1 (- 4 (/ 1 x)))
* [misc]taylor:  Taking taylor expansion of (/ -1 (- 4 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of -1 in x
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of (- 4 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ -1 -1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- 4 (/ 1 x))) (+ (* (/ -1 (- 4 (/ 1 x))) (/ 0 (- 4 (/ 1 x)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* 1 (/ 4 -1)))) into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [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 (- x) into (- x)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 x) (/ 0 (- x))) (* 0 (/ 0 (- x))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- 4 (/ 1 x))) (+ (* (/ -1 (- 4 (/ 1 x))) (/ 0 (- 4 (/ 1 x)))) (* 0 (/ 0 (- 4 (/ 1 x)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* 1 (/ 0 -1)) (* 4 (/ 4 -1)))) into 16
* [misc]backup-simplify:  Simplify 16 into 16
* [misc]backup-simplify:  Simplify (+ (* 16 (* (pow (/ 1 (- x)) 3) (/ 1 (/ 1 (- y))))) (+ (* 4 (* (pow (/ 1 (- x)) 2) (/ 1 (/ 1 (- y))))) (* 1 (* (/ 1 (- x)) (/ 1 (/ 1 (- y))))))) into (- (+ (/ y x) (* 16 (/ y (pow x 3)))) (* 4 (/ y (pow x 2))))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (pow (* (/ x y) z) 1))))>
* * * * [misc]progress:  [ 2 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (exp (log (* (/ x y) z))))))>
* * * * [misc]progress:  [ 3 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (log (exp (* (/ x y) z))))))>
* * * * [misc]progress:  [ 4 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* (* (cbrt (* (/ x y) z)) (cbrt (* (/ x y) z))) (cbrt (* (/ x y) z))))))>
* * * * [misc]progress:  [ 5 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (cbrt (* (* (* (/ x y) z) (* (/ x y) z)) (* (/ x y) z))))))>
* * * * [misc]progress:  [ 6 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* (sqrt (* (/ x y) z)) (sqrt (* (/ x y) z))))))>
* * * * [misc]progress:  [ 7 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* 1 (* (/ x y) z)))))>
* * * * [misc]progress:  [ 8 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* (* (cbrt (/ x y)) (cbrt (/ x y))) (* (cbrt (/ x y)) z)))))>
* [enter]simplify:  Simplifying (* (cbrt (/ x y)) (cbrt (/ x y)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* [exit]simplify:  Simplified to (* (cbrt (/ x y)) (cbrt (/ x y)))
* [misc]simplify:  Simplified (2 1 2 1) to (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* (* (cbrt (/ x y)) (cbrt (/ x y))) (* (cbrt (/ x y)) z)))))
* * * * [misc]progress:  [ 9 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* (sqrt (/ x y)) (* (sqrt (/ x y)) z)))))>
* [enter]simplify:  Simplifying (sqrt (/ x y))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (sqrt (/ x y))
* [misc]simplify:  Simplified (2 1 2 1) to (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* (sqrt (/ x y)) (* (sqrt (/ x y)) z)))))
* * * * [misc]progress:  [ 10 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* 1 (* (/ x y) z)))))>
* * * * [misc]progress:  [ 11 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* x (* (/ 1 y) z)))))>
* * * * [misc]progress:  [ 12 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (* x z)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (* x z)
* [misc]simplify:  Simplified (2 1 2 1) to (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (/ (* x z) y))))
* * * * [misc]progress:  [ 13 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* z (/ x y)))))>
* * * * [misc]progress:  [ 14 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (log (/ (exp (/ 1 (/ y (+ x 4)))) (exp (* (/ x y) z))))))>
* [enter]simplify:  Simplifying (/ (exp (/ 1 (/ y (+ x 4)))) (exp (* (/ x y) z)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (44 enodes)
* * [misc]simplify:  iters left: 3 (95 enodes)
* * [misc]simplify:  iters left: 2 (184 enodes)
* * [misc]simplify:  iters left: 1 (471 enodes)
* [exit]simplify:  Simplified to (exp (- (/ (+ 4 x) y) (* (/ x y) z)))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (log (exp (- (/ (+ 4 x) y) (* (/ x y) z))))))
* * * * [misc]progress:  [ 15 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (pow (- (/ 1 (/ y (+ x 4))) (* (/ x y) z)) 1)))>
* * * * [misc]progress:  [ 16 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (exp (log (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))))))>
* * * * [misc]progress:  [ 17 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (log (exp (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))))))>
* * * * [misc]progress:  [ 18 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (* (cbrt (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))) (cbrt (- (/ 1 (/ y (+ x 4))) (* (/ x y) z)))) (cbrt (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))))))>
* * * * [misc]progress:  [ 19 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (cbrt (* (* (- (/ 1 (/ y (+ x 4))) (* (/ x y) z)) (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))) (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))))))>
* * * * [misc]progress:  [ 20 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (sqrt (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))) (sqrt (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))))))>
* * * * [misc]progress:  [ 21 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* 1 y) (* (/ y (+ x 4)) (* x z))) (* (/ y (+ x 4)) y))))>
* [enter]simplify:  Simplifying (- (* 1 y) (* (/ y (+ x 4)) (* x z)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (50 enodes)
* * [misc]simplify:  iters left: 3 (102 enodes)
* * [misc]simplify:  iters left: 2 (137 enodes)
* * [misc]simplify:  iters left: 1 (160 enodes)
* [exit]simplify:  Simplified to (- y (/ (* (* x y) z) (+ x 4)))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (- y (/ (* (* x y) z) (+ x 4))) (* (/ y (+ x 4)) y))))
* [enter]simplify:  Simplifying (* (/ y (+ x 4)) y)
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* [exit]simplify:  Simplified to (/ (* y y) (+ x 4))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (/ (- y (/ (* (* x y) z) (+ x 4))) (/ (* y y) (+ x 4)))))
* * * * [misc]progress:  [ 22 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (pow (/ 1 (/ y (+ x 4))) 3) (pow (* (/ x y) z) 3)) (+ (* (/ 1 (/ y (+ x 4))) (/ 1 (/ y (+ x 4)))) (+ (* (* (/ x y) z) (* (/ x y) z)) (* (/ 1 (/ y (+ x 4))) (* (/ x y) z)))))))>
* * * * [misc]progress:  [ 23 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (+ (/ 1 (/ y (+ x 4))) (- (* (/ x y) z)))))>
* * * * [misc]progress:  [ 24 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (* 1 (- (/ 1 (/ y (+ x 4))) (* (/ x y) z)))))>
* * * * [misc]progress:  [ 25 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (/ 1 (/ y (+ x 4))) (/ 1 (/ y (+ x 4)))) (* (* (/ x y) z) (* (/ x y) z))) (+ (/ 1 (/ y (+ x 4))) (* (/ x y) z)))))>
* * * * [misc]progress:  [ 26 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (+ (/ 1 (/ y (+ x 4))) (- (* (/ x y) z)))))>
* * * * [misc]progress:  [ 27 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (pow (/ y (+ x 4)) -1) (* (/ x y) z))))>
* * * * [misc]progress:  [ 28 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (pow (/ y (+ x 4)) (- 1)) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (- 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to -1
* [misc]simplify:  Simplified (2 1 1 2) to (λ (x y z) (fabs (- (pow (/ y (+ x 4)) -1) (* (/ x y) z))))
* * * * [misc]progress:  [ 29 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (pow (/ 1 (/ y (+ x 4))) 1) (* (/ x y) z))))>
* * * * [misc]progress:  [ 30 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (exp (- (log (/ y (+ x 4))))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 31 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (exp (log (/ 1 (/ y (+ x 4))))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 32 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (log (exp (/ 1 (/ y (+ x 4))))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 33 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (* (* (cbrt (/ 1 (/ y (+ x 4)))) (cbrt (/ 1 (/ y (+ x 4))))) (cbrt (/ 1 (/ y (+ x 4))))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 34 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (cbrt (* (* (/ 1 (/ y (+ x 4))) (/ 1 (/ y (+ x 4)))) (/ 1 (/ y (+ x 4))))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 35 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (* (sqrt (/ 1 (/ y (+ x 4)))) (sqrt (/ 1 (/ y (+ x 4))))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 36 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (- 1) (- (/ y (+ x 4)))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 37 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (* 1 (/ 1 (/ y (+ x 4)))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 38 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (* 1 (/ 1 (/ y (+ x 4)))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 39 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ (/ y (+ x 4)) 1)) (* (/ x y) z))))>
* * * * [misc]progress:  [ 40 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (/ 1 (* (cbrt (/ y (+ x 4))) (cbrt (/ y (+ x 4))))) (cbrt (/ y (+ x 4)))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (cbrt (/ y (+ x 4)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (cbrt (/ y (+ x 4)))
* [misc]simplify:  Simplified (2 1 1 2) to (λ (x y z) (fabs (- (/ (/ 1 (* (cbrt (/ y (+ x 4))) (cbrt (/ y (+ x 4))))) (cbrt (/ y (+ x 4)))) (* (/ x y) z))))
* * * * [misc]progress:  [ 41 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (/ 1 (sqrt (/ y (+ x 4)))) (sqrt (/ y (+ x 4)))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (sqrt (/ y (+ x 4)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (sqrt (/ y (+ x 4)))
* [misc]simplify:  Simplified (2 1 1 2) to (λ (x y z) (fabs (- (/ (/ 1 (sqrt (/ y (+ x 4)))) (sqrt (/ y (+ x 4)))) (* (/ x y) z))))
* * * * [misc]progress:  [ 42 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (/ 1 1) (/ y (+ x 4))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (/ y (+ x 4))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (/ y (+ x 4))
* [misc]simplify:  Simplified (2 1 1 2) to (λ (x y z) (fabs (- (/ (/ 1 1) (/ y (+ x 4))) (* (/ x y) z))))
* * * * [misc]progress:  [ 43 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (/ 1 y) (/ 1 (+ x 4))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (/ 1 (+ x 4))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (/ 1 (+ x 4))
* [misc]simplify:  Simplified (2 1 1 2) to (λ (x y z) (fabs (- (/ (/ 1 y) (/ 1 (+ x 4))) (* (/ x y) z))))
* * * * [misc]progress:  [ 44 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (/ 1 (/ y (+ (pow x 3) (pow 4 3)))) (+ (* x x) (- (* 4 4) (* x 4)))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (+ (* x x) (- (* 4 4) (* x 4)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (57 enodes)
* * [misc]simplify:  iters left: 2 (76 enodes)
* * [misc]simplify:  iters left: 1 (100 enodes)
* [exit]simplify:  Simplified to (+ (* (+ x -4) x) 16)
* [misc]simplify:  Simplified (2 1 1 2) to (λ (x y z) (fabs (- (/ (/ 1 (/ y (+ (pow x 3) (pow 4 3)))) (+ (* (+ x -4) x) 16)) (* (/ x y) z))))
* * * * [misc]progress:  [ 45 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (/ 1 (/ y (- (* x x) (* 4 4)))) (- x 4)) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (- x 4)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (6 enodes)
* [exit]simplify:  Simplified to (+ -4 x)
* [misc]simplify:  Simplified (2 1 1 2) to (λ (x y z) (fabs (- (/ (/ 1 (/ y (- (* x x) (* 4 4)))) (+ -4 x)) (* (/ x y) z))))
* * * * [misc]progress:  [ 46 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (* (/ 1 y) (+ x 4)) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (+ x 4)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (+ 4 x)
* [misc]simplify:  Simplified (2 1 1 2) to (λ (x y z) (fabs (- (* (/ 1 y) (+ 4 x)) (* (/ x y) z))))
* * * * [misc]progress:  [ 47 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (pow (/ y (+ x 4)) 1)) (* (/ x y) z))))>
* * * * [misc]progress:  [ 48 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (exp (log (/ y (+ x 4))))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 49 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (log (exp (/ y (+ x 4))))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 50 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (* (* (cbrt (/ y (+ x 4))) (cbrt (/ y (+ x 4)))) (cbrt (/ y (+ x 4))))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 51 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (cbrt (* (* (/ y (+ x 4)) (/ y (+ x 4))) (/ y (+ x 4))))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 52 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (* (sqrt (/ y (+ x 4))) (sqrt (/ y (+ x 4))))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 53 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ (- y) (- (+ x 4)))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 54 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (* 1 (/ y (+ x 4)))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 55 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (* y (/ 1 (+ x 4)))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 56 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ 1 (/ (+ x 4) y))) (* (/ x y) z))))>
* * * * [misc]progress:  [ 57 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ (/ y (* (cbrt (+ x 4)) (cbrt (+ x 4)))) (cbrt (+ x 4)))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (cbrt (+ x 4))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (5 enodes)
* [exit]simplify:  Simplified to (cbrt (+ 4 x))
* [misc]simplify:  Simplified (2 1 1 2 2) to (λ (x y z) (fabs (- (/ 1 (/ (/ y (* (cbrt (+ x 4)) (cbrt (+ x 4)))) (cbrt (+ 4 x)))) (* (/ x y) z))))
* * * * [misc]progress:  [ 58 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ (/ y (sqrt (+ x 4))) (sqrt (+ x 4)))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (sqrt (+ x 4))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (5 enodes)
* [exit]simplify:  Simplified to (sqrt (+ 4 x))
* [misc]simplify:  Simplified (2 1 1 2 2) to (λ (x y z) (fabs (- (/ 1 (/ (/ y (sqrt (+ x 4))) (sqrt (+ 4 x)))) (* (/ x y) z))))
* * * * [misc]progress:  [ 59 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ (/ y 1) (+ x 4))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (+ x 4)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (+ 4 x)
* [misc]simplify:  Simplified (2 1 1 2 2) to (λ (x y z) (fabs (- (/ 1 (/ (/ y 1) (+ 4 x))) (* (/ x y) z))))
* * * * [misc]progress:  [ 60 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (* (/ y (+ (pow x 3) (pow 4 3))) (+ (* x x) (- (* 4 4) (* x 4))))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (+ (* x x) (- (* 4 4) (* x 4)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (57 enodes)
* * [misc]simplify:  iters left: 2 (76 enodes)
* * [misc]simplify:  iters left: 1 (100 enodes)
* [exit]simplify:  Simplified to (+ (* (+ x -4) x) 16)
* [misc]simplify:  Simplified (2 1 1 2 2) to (λ (x y z) (fabs (- (/ 1 (* (/ y (+ (pow x 3) (pow 4 3))) (+ (* (+ x -4) x) 16))) (* (/ x y) z))))
* * * * [misc]progress:  [ 61 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (* (/ y (- (* x x) (* 4 4))) (- x 4))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (- x 4)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (6 enodes)
* [exit]simplify:  Simplified to (+ -4 x)
* [misc]simplify:  Simplified (2 1 1 2 2) to (λ (x y z) (fabs (- (/ 1 (* (/ y (- (* x x) (* 4 4))) (+ -4 x))) (* (/ x y) z))))
* * * * [misc]progress:  [ 62 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (/ (* x z) y)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (/ z (/ y x))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (/ z (/ y x)))))
* * * * [misc]progress:  [ 63 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (/ (* x z) y)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (/ z (/ y x))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (/ z (/ y x)))))
* * * * [misc]progress:  [ 64 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (/ (* x z) y)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (/ z (/ y x))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (/ z (/ y x)))))
* * * * [misc]progress:  [ 65 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (64 enodes)
* * [misc]simplify:  iters left: 2 (78 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))
* * * * [misc]progress:  [ 66 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (64 enodes)
* * [misc]simplify:  iters left: 2 (78 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))
* * * * [misc]progress:  [ 67 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (64 enodes)
* * [misc]simplify:  iters left: 2 (78 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))
* * * * [misc]progress:  [ 68 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (+ (/ x y) (* 4 (/ 1 y)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (+ (/ x y) (/ 4 y))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (* (/ x y) z))))
* * * * [misc]progress:  [ 69 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (+ (/ x y) (* 4 (/ 1 y)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (+ (/ x y) (/ 4 y))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (* (/ x y) z))))
* * * * [misc]progress:  [ 70 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (+ (/ x y) (* 4 (/ 1 y)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (+ (/ x y) (/ 4 y))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (* (/ x y) z))))
* * * * [misc]progress:  [ 71 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (- (+ (* 1/64 (* (pow x 2) y)) (* 1/4 y)) (* 1/16 (* x y)))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (- (+ (* 1/64 (* (pow x 2) y)) (* 1/4 y)) (* 1/16 (* x y)))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (29 enodes)
* * [misc]simplify:  iters left: 4 (70 enodes)
* * [misc]simplify:  iters left: 3 (127 enodes)
* * [misc]simplify:  iters left: 2 (208 enodes)
* * [misc]simplify:  iters left: 1 (289 enodes)
* [exit]simplify:  Simplified to (+ (* 1/4 y) (* (+ -1/16 (* 1/64 x)) (* x y)))
* [misc]simplify:  Simplified (2 1 1 2) to (λ (x y z) (fabs (- (/ 1 (+ (* 1/4 y) (* (+ -1/16 (* 1/64 x)) (* x y)))) (* (/ x y) z))))
* * * * [misc]progress:  [ 72 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (- (+ (/ y x) (* 16 (/ y (pow x 3)))) (* 4 (/ y (pow x 2))))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (- (+ (/ y x) (* 16 (/ y (pow x 3)))) (* 4 (/ y (pow x 2))))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (29 enodes)
* * [misc]simplify:  iters left: 4 (72 enodes)
* * [misc]simplify:  iters left: 3 (143 enodes)
* * [misc]simplify:  iters left: 2 (245 enodes)
* * [misc]simplify:  iters left: 1 (341 enodes)
* [exit]simplify:  Simplified to (+ (* (/ (/ y x) x) (- (/ 16 x) 4)) (/ y x))
* [misc]simplify:  Simplified (2 1 1 2) to (λ (x y z) (fabs (- (/ 1 (+ (* (/ (/ y x) x) (- (/ 16 x) 4)) (/ y x))) (* (/ x y) z))))
* * * * [misc]progress:  [ 73 / 73 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (- (+ (/ y x) (* 16 (/ y (pow x 3)))) (* 4 (/ y (pow x 2))))) (* (/ x y) z))))>
* [enter]simplify:  Simplifying (- (+ (/ y x) (* 16 (/ y (pow x 3)))) (* 4 (/ y (pow x 2))))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (29 enodes)
* * [misc]simplify:  iters left: 4 (72 enodes)
* * [misc]simplify:  iters left: 3 (143 enodes)
* * [misc]simplify:  iters left: 2 (245 enodes)
* * [misc]simplify:  iters left: 1 (341 enodes)
* [exit]simplify:  Simplified to (+ (* (/ (/ y x) x) (- (/ 16 x) 4)) (/ y x))
* [misc]simplify:  Simplified (2 1 1 2) to (λ (x y z) (fabs (- (/ 1 (+ (* (/ (/ y x) x) (- (/ 16 x) 4)) (/ y x))) (* (/ x y) z))))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 3 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2 1)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 1 1)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (/ (- (+ x 4) (* x z)) y) in (x z y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- (+ x 4) (* x z)) y) in y
* [misc]taylor:  Taking taylor expansion of (- (+ x 4) (* x z)) in y
* [misc]taylor:  Taking taylor expansion of (+ x 4) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* x z) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ x 4) into (+ x 4)
* [misc]backup-simplify:  Simplify (* x z) into (* x z)
* [misc]backup-simplify:  Simplify (- (* x z)) into (- (* x z))
* [misc]backup-simplify:  Simplify (+ (+ x 4) (- (* x z))) into (- (+ x 4) (* x z))
* [misc]backup-simplify:  Simplify (/ (- (+ x 4) (* x z)) 1) into (- (+ x 4) (* x z))
* [misc]taylor:  Taking taylor expansion of (/ (- (+ x 4) (* x z)) y) in z
* [misc]taylor:  Taking taylor expansion of (- (+ x 4) (* x z)) in z
* [misc]taylor:  Taking taylor expansion of (+ x 4) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* x z) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (+ x 4) into (+ x 4)
* [misc]backup-simplify:  Simplify (* x 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (+ x 4) 0) into (+ x 4)
* [misc]backup-simplify:  Simplify (/ (+ x 4) y) into (/ (+ x 4) y)
* [misc]taylor:  Taking taylor expansion of (/ (- (+ x 4) (* x z)) y) in x
* [misc]taylor:  Taking taylor expansion of (- (+ x 4) (* x z)) in x
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* x z) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (* 0 z) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (/ 4 y) into (/ 4 y)
* [misc]taylor:  Taking taylor expansion of (/ (- (+ x 4) (* x z)) y) in x
* [misc]taylor:  Taking taylor expansion of (- (+ x 4) (* x z)) in x
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* x z) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (* 0 z) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (/ 4 y) into (/ 4 y)
* [misc]taylor:  Taking taylor expansion of (/ 4 y) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 4 y) into (/ 4 y)
* [misc]taylor:  Taking taylor expansion of (/ 4 y) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 4 1) into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 z)) into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (+ 1 (- z)) into (- 1 z)
* [misc]backup-simplify:  Simplify (- (/ (- 1 z) y) (+ (* (/ 4 y) (/ 0 y)))) into (- (/ 1 y) (/ z y))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 y) (/ z y)) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (/ z y) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (+ (/ 1 y) 0) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 4 y) (/ 0 y)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 4 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 4 y) (/ 0 y)) (* (- (/ 1 y) (/ z y)) (/ 0 y)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 y)) into (- (/ 1 y))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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]backup-simplify:  Simplify (+ (* -1 (* (/ 1 y) (* z x))) (+ (* 1 (* (/ 1 y) (* 1 x))) (* 4 (* (/ 1 y) (* 1 1))))) into (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* [misc]approximate:  Taking taylor expansion of (/ (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) (/ 1 y)) in (x z y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 z)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 4) into (+ (/ 1 x) 4)
* [misc]backup-simplify:  Simplify (* (/ 1 x) (/ 1 z)) into (/ 1 (* x z))
* [misc]backup-simplify:  Simplify (- (/ 1 (* x z))) into (- (/ 1 (* x z)))
* [misc]backup-simplify:  Simplify (+ (+ (/ 1 x) 4) (- (/ 1 (* x z)))) into (- (+ (/ 1 x) 4) (/ 1 (* x z)))
* [misc]backup-simplify:  Simplify (/ (- (+ (/ 1 x) 4) (/ 1 (* x z))) 1) into (- (+ (/ 1 x) 4) (/ 1 (* x z)))
* [misc]taylor:  Taking taylor expansion of (/ (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) (/ 1 y)) in z
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) in z
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (* (/ 1 x) 1) into (/ 1 x)
* [misc]backup-simplify:  Simplify (- (/ 1 x)) into (- (/ 1 x))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 x))) into (- (/ 1 x))
* [misc]backup-simplify:  Simplify (/ (- (/ 1 x)) (/ 1 y)) into (* -1 (/ y x))
* [misc]taylor:  Taking taylor expansion of (/ (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 z)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* 1 (/ 1 z)) into (/ 1 z)
* [misc]backup-simplify:  Simplify (- (/ 1 z)) into (- (/ 1 z))
* [misc]backup-simplify:  Simplify (+ 1 (- (/ 1 z))) into (- 1 (/ 1 z))
* [misc]backup-simplify:  Simplify (/ (- 1 (/ 1 z)) (/ 1 y)) into (* y (- 1 (/ 1 z)))
* [misc]taylor:  Taking taylor expansion of (/ (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 z)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* 1 (/ 1 z)) into (/ 1 z)
* [misc]backup-simplify:  Simplify (- (/ 1 z)) into (- (/ 1 z))
* [misc]backup-simplify:  Simplify (+ 1 (- (/ 1 z))) into (- 1 (/ 1 z))
* [misc]backup-simplify:  Simplify (/ (- 1 (/ 1 z)) (/ 1 y)) into (* y (- 1 (/ 1 z)))
* [misc]taylor:  Taking taylor expansion of (* y (- 1 (/ 1 z))) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* y -1) into (* -1 y)
* [misc]taylor:  Taking taylor expansion of (* -1 y) in y
* [misc]taylor:  Taking taylor expansion of -1 in y
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* -1 1) (* 0 0)) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 4 (/ 1 y)) (+ (* (* y (- 1 (/ 1 z))) (/ 0 (/ 1 y))))) into (* 4 y)
* [misc]taylor:  Taking taylor expansion of (* 4 y) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ (* y 1) (* 0 -1)) into y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 0) (+ (* 0 1) (* 0 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 (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* (* y (- 1 (/ 1 z))) (/ 0 (/ 1 y))) (* (* 4 y) (/ 0 (/ 1 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 4 y) into (* 4 y)
* [misc]taylor:  Taking taylor expansion of (* 4 y) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 4 1) (* 0 0)) into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (* 4 (* (/ 1 y) (* 1 1))) (+ (* 1 (* (/ 1 y) (* 1 (/ 1 (/ 1 x))))) (* -1 (* (/ 1 y) (* (/ 1 (/ 1 z)) (/ 1 (/ 1 x))))))) into (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* [misc]approximate:  Taking taylor expansion of (/ (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) (/ 1 (- y))) in (x z y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- z))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in y
* [misc]taylor:  Taking taylor expansion of (- z) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ (/ -1 x) 4) into (- 4 (/ 1 x))
* [misc]backup-simplify:  Simplify (* (/ -1 x) (/ -1 z)) into (/ 1 (* x z))
* [misc]backup-simplify:  Simplify (- (/ 1 (* x z))) into (- (/ 1 (* x z)))
* [misc]backup-simplify:  Simplify (+ (- 4 (/ 1 x)) (- (/ 1 (* x z)))) into (- 4 (+ (/ 1 x) (/ 1 (* x z))))
* [misc]backup-simplify:  Simplify (/ (- 4 (+ (/ 1 x) (/ 1 (* x z)))) -1) into (* -1 (- 4 (+ (/ 1 x) (/ 1 (* x z)))))
* [misc]taylor:  Taking taylor expansion of (/ (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) (/ 1 (- y))) in z
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in z
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in z
* [misc]taylor:  Taking taylor expansion of (- x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- z))) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in z
* [misc]taylor:  Taking taylor expansion of (- x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in z
* [misc]taylor:  Taking taylor expansion of (- z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 (- y)) in z
* [misc]taylor:  Taking taylor expansion of (- y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (* (/ -1 x) -1) into (/ 1 x)
* [misc]backup-simplify:  Simplify (- (/ 1 x)) into (- (/ 1 x))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 x))) into (- (/ 1 x))
* [misc]backup-simplify:  Simplify (/ (- (/ 1 x)) (/ -1 y)) into (/ y x)
* [misc]taylor:  Taking taylor expansion of (/ (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- z))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- z)) in x
* [misc]taylor:  Taking taylor expansion of (- z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (* -1 (/ -1 z)) into (/ 1 z)
* [misc]backup-simplify:  Simplify (- (/ 1 z)) into (- (/ 1 z))
* [misc]backup-simplify:  Simplify (+ -1 (- (/ 1 z))) into (- (+ 1 (/ 1 z)))
* [misc]backup-simplify:  Simplify (/ (- (+ 1 (/ 1 z))) (/ -1 y)) into (* y (+ 1 (/ 1 z)))
* [misc]taylor:  Taking taylor expansion of (/ (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- z))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- z)) in x
* [misc]taylor:  Taking taylor expansion of (- z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (* -1 (/ -1 z)) into (/ 1 z)
* [misc]backup-simplify:  Simplify (- (/ 1 z)) into (- (/ 1 z))
* [misc]backup-simplify:  Simplify (+ -1 (- (/ 1 z))) into (- (+ 1 (/ 1 z)))
* [misc]backup-simplify:  Simplify (/ (- (+ 1 (/ 1 z))) (/ -1 y)) into (* y (+ 1 (/ 1 z)))
* [misc]taylor:  Taking taylor expansion of (* y (+ 1 (/ 1 z))) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 (* y 1) into y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 4 (/ -1 y)) (+ (* (* y (+ 1 (/ 1 z))) (/ 0 (/ -1 y))))) into (- (* 4 y))
* [misc]taylor:  Taking taylor expansion of (- (* 4 y)) in z
* [misc]taylor:  Taking taylor expansion of (* 4 y) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ (* y 1) (* 0 1)) into y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))) (* 0 (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* (* y (+ 1 (/ 1 z))) (/ 0 (/ -1 y))) (* (- (* 4 y)) (/ 0 (/ -1 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 4 y) into (* 4 y)
* [misc]backup-simplify:  Simplify (- (* 4 y)) into (- (* 4 y))
* [misc]taylor:  Taking taylor expansion of (- (* 4 y)) in y
* [misc]taylor:  Taking taylor expansion of (* 4 y) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 4 1) (* 0 0)) into 4
* [misc]backup-simplify:  Simplify (- 4) into -4
* [misc]backup-simplify:  Simplify -4 into -4
* [misc]backup-simplify:  Simplify (+ (* -4 (* (/ 1 (- y)) (* 1 1))) (+ (* 1 (* (/ 1 (- y)) (* 1 (/ 1 (/ 1 (- x)))))) (* 1 (* (/ 1 (- y)) (* (/ 1 (/ 1 (- z))) (/ 1 (/ 1 (- x)))))))) into (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2 1 1)
* [misc]approximate:  Taking taylor expansion of (- (+ x 4) (* x z)) in (x z) around 0
* [misc]taylor:  Taking taylor expansion of (- (+ x 4) (* x z)) in z
* [misc]taylor:  Taking taylor expansion of (+ x 4) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* x z) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (+ x 4) (* x z)) in x
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* x z) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of (- (+ x 4) (* x z)) in x
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* x z) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (* 0 z) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 z)) into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (+ 1 (- z)) into (- 1 z)
* [misc]taylor:  Taking taylor expansion of (- 1 z) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in z
* [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 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ (* -1 (* z x)) (+ (* 1 (* 1 x)) 4)) into (- (+ x 4) (* x z))
* [misc]approximate:  Taking taylor expansion of (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) in (x z) around 0
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) in z
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 x) 4) (* (/ 1 x) (/ 1 z))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 z)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 z)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* 1 (/ 1 z)) into (/ 1 z)
* [misc]backup-simplify:  Simplify (- (/ 1 z)) into (- (/ 1 z))
* [misc]backup-simplify:  Simplify (+ 1 (- (/ 1 z))) into (- 1 (/ 1 z))
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 4 (+ (* 1 (* 1 (/ 1 (/ 1 x)))) (* -1 (* (/ 1 (/ 1 z)) (/ 1 (/ 1 x)))))) into (- (+ x 4) (* x z))
* [misc]approximate:  Taking taylor expansion of (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in (x z) around 0
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in z
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in z
* [misc]taylor:  Taking taylor expansion of (- x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- z))) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in z
* [misc]taylor:  Taking taylor expansion of (- x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in z
* [misc]taylor:  Taking taylor expansion of (- z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- z))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- z)) in x
* [misc]taylor:  Taking taylor expansion of (- z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- z))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- z)) in x
* [misc]taylor:  Taking taylor expansion of (- z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (* -1 (/ -1 z)) into (/ 1 z)
* [misc]backup-simplify:  Simplify (- (/ 1 z)) into (- (/ 1 z))
* [misc]backup-simplify:  Simplify (+ -1 (- (/ 1 z))) into (- (+ 1 (/ 1 z)))
* [misc]taylor:  Taking taylor expansion of (- (+ 1 (/ 1 z))) in z
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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]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 4) into 4
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) 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 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))) (* 0 (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 4 (+ (* -1 (* 1 (/ 1 (/ 1 (- x))))) (* -1 (* (/ 1 (/ 1 (- z))) (/ 1 (/ 1 (- x))))))) into (- (+ x 4) (* x z))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (pow (/ (- (+ x 4) (* x z)) y) 1)))>
* * * * [misc]progress:  [ 2 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (exp (log (/ (- (+ x 4) (* x z)) y)))))>
* * * * [misc]progress:  [ 3 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (log (exp (/ (- (+ x 4) (* x z)) y)))))>
* * * * [misc]progress:  [ 4 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (* (cbrt (/ (- (+ x 4) (* x z)) y)) (cbrt (/ (- (+ x 4) (* x z)) y))) (cbrt (/ (- (+ x 4) (* x z)) y)))))>
* * * * [misc]progress:  [ 5 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (cbrt (* (* (/ (- (+ x 4) (* x z)) y) (/ (- (+ x 4) (* x z)) y)) (/ (- (+ x 4) (* x z)) y)))))>
* * * * [misc]progress:  [ 6 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (sqrt (/ (- (+ x 4) (* x z)) y)) (sqrt (/ (- (+ x 4) (* x z)) y)))))>
* * * * [misc]progress:  [ 7 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (- (+ x 4) (* x z))) (- y))))>
* * * * [misc]progress:  [ 8 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (/ (+ x 4) y)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (/ (+ 4 x) y)
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ (* x z) y))))
* * * * [misc]progress:  [ 9 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (* 1 (/ (- (+ x 4) (* x z)) y))))>
* * * * [misc]progress:  [ 10 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (- (+ x 4) (* x z)) (/ 1 y))))>
* * * * [misc]progress:  [ 11 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ 1 (/ y (- (+ x 4) (* x z))))))>
* * * * [misc]progress:  [ 12 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (* (cbrt (- (+ x 4) (* x z))) (cbrt (- (+ x 4) (* x z)))) (/ y (cbrt (- (+ x 4) (* x z)))))))>
* [enter]simplify:  Simplifying (* (cbrt (- (+ x 4) (* x z))) (cbrt (- (+ x 4) (* x z))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* * [misc]simplify:  iters left: 2 (43 enodes)
* * [misc]simplify:  iters left: 1 (52 enodes)
* [exit]simplify:  Simplified to (* (cbrt (- (+ x 4) (* z x))) (cbrt (- (+ x 4) (* z x))))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (* (cbrt (- (+ x 4) (* z x))) (cbrt (- (+ x 4) (* z x)))) (/ y (cbrt (- (+ x 4) (* x z)))))))
* * * * [misc]progress:  [ 13 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (sqrt (- (+ x 4) (* x z))) (/ y (sqrt (- (+ x 4) (* x z)))))))>
* [enter]simplify:  Simplifying (sqrt (- (+ x 4) (* x z)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (37 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (- (+ 4 x) (* z x)))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (sqrt (- (+ 4 x) (* z x))) (/ y (sqrt (- (+ x 4) (* x z)))))))
* * * * [misc]progress:  [ 14 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ 1 (/ y (- (+ x 4) (* x z))))))>
* * * * [misc]progress:  [ 15 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (pow (+ x 4) 3) (pow (* x z) 3)) (* y (+ (* (+ x 4) (+ x 4)) (+ (* (* x z) (* x z)) (* (+ x 4) (* x z))))))))>
* [enter]simplify:  Simplifying (- (pow (+ x 4) 3) (pow (* x z) 3))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (72 enodes)
* * [misc]simplify:  iters left: 2 (260 enodes)
* [exit]simplify:  Simplified to (- (pow (+ 4 x) 3) (pow (* z x) 3))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (- (pow (+ 4 x) 3) (pow (* z x) 3)) (* y (+ (* (+ x 4) (+ x 4)) (+ (* (* x z) (* x z)) (* (+ x 4) (* x z))))))))
* * * * [misc]progress:  [ 16 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ x 4) (+ x 4)) (* (* x z) (* x z))) (* y (+ (+ x 4) (* x z))))))>
* [enter]simplify:  Simplifying (- (* (+ x 4) (+ x 4)) (* (* x z) (* x z)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (77 enodes)
* * [misc]simplify:  iters left: 3 (202 enodes)
* [exit]simplify:  Simplified to (- (* (+ 4 x) (+ 4 x)) (* (* z x) (* z x)))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (- (* (+ 4 x) (+ 4 x)) (* (* z x) (* z x))) (* y (+ (+ x 4) (* x z))))))
* * * * [misc]progress:  [ 17 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (log (/ (exp (+ x 4)) (exp (* x z)))) y)))>
* [enter]simplify:  Simplifying (/ (exp (+ x 4)) (exp (* x z)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (48 enodes)
* * [misc]simplify:  iters left: 1 (79 enodes)
* [exit]simplify:  Simplified to (exp (- (+ 4 x) (* z x)))
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (/ (log (exp (- (+ 4 x) (* z x)))) y)))
* * * * [misc]progress:  [ 18 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (pow (- (+ x 4) (* x z)) 1) y)))>
* * * * [misc]progress:  [ 19 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (exp (log (- (+ x 4) (* x z)))) y)))>
* * * * [misc]progress:  [ 20 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (log (exp (- (+ x 4) (* x z)))) y)))>
* * * * [misc]progress:  [ 21 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (* (* (cbrt (- (+ x 4) (* x z))) (cbrt (- (+ x 4) (* x z)))) (cbrt (- (+ x 4) (* x z)))) y)))>
* * * * [misc]progress:  [ 22 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (cbrt (* (* (- (+ x 4) (* x z)) (- (+ x 4) (* x z))) (- (+ x 4) (* x z)))) y)))>
* * * * [misc]progress:  [ 23 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (* (sqrt (- (+ x 4) (* x z))) (sqrt (- (+ x 4) (* x z)))) y)))>
* * * * [misc]progress:  [ 24 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (/ (- (pow (+ x 4) 3) (pow (* x z) 3)) (+ (* (+ x 4) (+ x 4)) (+ (* (* x z) (* x z)) (* (+ x 4) (* x z))))) y)))>
* * * * [misc]progress:  [ 25 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (+ (+ x 4) (- (* x z))) y)))>
* * * * [misc]progress:  [ 26 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (* 1 (- (+ x 4) (* x z))) y)))>
* * * * [misc]progress:  [ 27 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (/ (- (* (+ x 4) (+ x 4)) (* (* x z) (* x z))) (+ (+ x 4) (* x z))) y)))>
* * * * [misc]progress:  [ 28 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (+ x (- 4 (* x z))) y)))>
* * * * [misc]progress:  [ 29 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (+ (+ x 4) (- (* x z))) y)))>
* * * * [misc]progress:  [ 30 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (64 enodes)
* * [misc]simplify:  iters left: 2 (78 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))
* * * * [misc]progress:  [ 31 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (64 enodes)
* * [misc]simplify:  iters left: 2 (78 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))
* * * * [misc]progress:  [ 32 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (64 enodes)
* * [misc]simplify:  iters left: 2 (78 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))
* * * * [misc]progress:  [ 33 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))>
* [enter]simplify:  Simplifying (- (+ x 4) (* x z))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (- (+ 4 x) (* z x))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (- (+ 4 x) (* z x)) y)))
* * * * [misc]progress:  [ 34 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))>
* [enter]simplify:  Simplifying (- (+ x 4) (* x z))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (- (+ 4 x) (* z x))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (- (+ 4 x) (* z x)) y)))
* * * * [misc]progress:  [ 35 / 35 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))>
* [enter]simplify:  Simplifying (- (+ x 4) (* x z))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (- (+ 4 x) (* z x))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (- (+ 4 x) (* z x)) y)))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 4 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt (λ (x y z) (fabs (* (- (+ x 4) (* x z)) (/ 1 y))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2 1)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 1 1)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (* (- (+ x 4) (* x z)) (/ 1 y)) in (x z y) around 0
* [misc]taylor:  Taking taylor expansion of (* (- (+ x 4) (* x z)) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (- (+ x 4) (* x z)) in y
* [misc]taylor:  Taking taylor expansion of (+ x 4) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* x z) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (* (- (+ x 4) (* x z)) (/ 1 y)) in z
* [misc]taylor:  Taking taylor expansion of (- (+ x 4) (* x z)) in z
* [misc]taylor:  Taking taylor expansion of (+ x 4) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* x z) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (- (+ x 4) (* x z)) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (- (+ x 4) (* x z)) in x
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* x z) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (- (+ x 4) (* x z)) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (- (+ x 4) (* x z)) in x
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* x z) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (* 0 z) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (* 4 (/ 1 y)) into (/ 4 y)
* [misc]taylor:  Taking taylor expansion of (/ 4 y) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 4 y) into (/ 4 y)
* [misc]taylor:  Taking taylor expansion of (/ 4 y) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 4 1) into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 z)) into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (+ 1 (- z)) into (- 1 z)
* [misc]backup-simplify:  Simplify (+ (* 4 0) (* (- 1 z) (/ 1 y))) into (- (/ 1 y) (/ z y))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 y) (/ z y)) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (/ z y) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (+ (/ 1 y) 0) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 4 y) (/ 0 y)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 4 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 0) (+ (* (- 1 z) 0) (* 0 (/ 1 y)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 y)) into (- (/ 1 y))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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]backup-simplify:  Simplify (+ (* -1 (* (/ 1 y) (* z x))) (+ (* 1 (* (/ 1 y) (* 1 x))) (* 4 (* (/ 1 y) (* 1 1))))) into (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* [misc]approximate:  Taking taylor expansion of (* (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) (/ 1 (/ 1 y))) in (x z y) around 0
* [misc]taylor:  Taking taylor expansion of (* (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) (/ 1 (/ 1 y))) in y
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 z)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) (/ 1 (/ 1 y))) in z
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) in z
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 (/ 1 y)) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (* (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) (/ 1 (/ 1 y))) in x
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 z)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (* (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) (/ 1 (/ 1 y))) in x
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 z)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* 1 (/ 1 z)) into (/ 1 z)
* [misc]backup-simplify:  Simplify (- (/ 1 z)) into (- (/ 1 z))
* [misc]backup-simplify:  Simplify (+ 1 (- (/ 1 z))) into (- 1 (/ 1 z))
* [misc]backup-simplify:  Simplify (* (- 1 (/ 1 z)) y) into (* y (- 1 (/ 1 z)))
* [misc]taylor:  Taking taylor expansion of (* y (- 1 (/ 1 z))) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* y -1) into (* -1 y)
* [misc]taylor:  Taking taylor expansion of (* -1 y) in y
* [misc]taylor:  Taking taylor expansion of -1 in y
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* -1 1) (* 0 0)) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* y (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (+ (* (- 1 (/ 1 z)) 0) (* 4 y)) into (* 4 y)
* [misc]taylor:  Taking taylor expansion of (* 4 y) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ (* y 1) (* 0 -1)) into y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* y (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- 1 (/ 1 z)) 0) (+ (* 4 0) (* 0 y))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 4 y) into (* 4 y)
* [misc]taylor:  Taking taylor expansion of (* 4 y) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 4 1) (* 0 0)) into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (* 4 (* (/ 1 y) (* 1 1))) (+ (* 1 (* (/ 1 y) (* 1 (/ 1 (/ 1 x))))) (* -1 (* (/ 1 y) (* (/ 1 (/ 1 z)) (/ 1 (/ 1 x))))))) into (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* [misc]approximate:  Taking taylor expansion of (* (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) (/ 1 (/ 1 (- y)))) in (x z y) around 0
* [misc]taylor:  Taking taylor expansion of (* (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) (/ 1 (/ 1 (- y)))) in y
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- z))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in y
* [misc]taylor:  Taking taylor expansion of (- z) in y
* [misc]taylor:  Taking taylor expansion of z in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) (/ 1 (/ 1 (- y)))) in z
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in z
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in z
* [misc]taylor:  Taking taylor expansion of (- x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- z))) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in z
* [misc]taylor:  Taking taylor expansion of (- x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in z
* [misc]taylor:  Taking taylor expansion of (- z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 (/ 1 (- y))) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in z
* [misc]taylor:  Taking taylor expansion of (- y) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ -1 y)) into (* -1 y)
* [misc]taylor:  Taking taylor expansion of (* (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) (/ 1 (/ 1 (- y)))) in x
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- z))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- z)) in x
* [misc]taylor:  Taking taylor expansion of (- z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ -1 y)) into (* -1 y)
* [misc]taylor:  Taking taylor expansion of (* (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) (/ 1 (/ 1 (- y)))) in x
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- z))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- z)) in x
* [misc]taylor:  Taking taylor expansion of (- z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ -1 y)) into (* -1 y)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (* -1 (/ -1 z)) into (/ 1 z)
* [misc]backup-simplify:  Simplify (- (/ 1 z)) into (- (/ 1 z))
* [misc]backup-simplify:  Simplify (+ -1 (- (/ 1 z))) into (- (+ 1 (/ 1 z)))
* [misc]backup-simplify:  Simplify (* (- (+ 1 (/ 1 z))) (* -1 y)) into (* y (+ 1 (/ 1 z)))
* [misc]taylor:  Taking taylor expansion of (* y (+ 1 (/ 1 z))) in z
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 (* y 1) into y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (* -1 y) (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (+ (* (- (+ 1 (/ 1 z))) 0) (* 4 (* -1 y))) into (- (* 4 y))
* [misc]taylor:  Taking taylor expansion of (- (* 4 y)) in z
* [misc]taylor:  Taking taylor expansion of (* 4 y) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in z
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ (* y 1) (* 0 1)) into y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (* -1 y) (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))) (* 0 (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (+ 1 (/ 1 z))) 0) (+ (* 4 0) (* 0 (* -1 y)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 4 y) into (* 4 y)
* [misc]backup-simplify:  Simplify (- (* 4 y)) into (- (* 4 y))
* [misc]taylor:  Taking taylor expansion of (- (* 4 y)) in y
* [misc]taylor:  Taking taylor expansion of (* 4 y) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 4 1) (* 0 0)) into 4
* [misc]backup-simplify:  Simplify (- 4) into -4
* [misc]backup-simplify:  Simplify -4 into -4
* [misc]backup-simplify:  Simplify (+ (* -4 (* (/ 1 (- y)) (* 1 1))) (+ (* 1 (* (/ 1 (- y)) (* 1 (/ 1 (/ 1 (- x)))))) (* 1 (* (/ 1 (- y)) (* (/ 1 (/ 1 (- z))) (/ 1 (/ 1 (- x)))))))) into (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2 1 1)
* [misc]approximate:  Taking taylor expansion of (- (+ x 4) (* x z)) in (x z) around 0
* [misc]taylor:  Taking taylor expansion of (- (+ x 4) (* x z)) in z
* [misc]taylor:  Taking taylor expansion of (+ x 4) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* x z) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (+ x 4) (* x z)) in x
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* x z) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]taylor:  Taking taylor expansion of (- (+ x 4) (* x z)) in x
* [misc]taylor:  Taking taylor expansion of (+ x 4) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* x z) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (* 0 z) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 z)) into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (+ 1 (- z)) into (- 1 z)
* [misc]taylor:  Taking taylor expansion of (- 1 z) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of z in z
* [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 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ (* -1 (* z x)) (+ (* 1 (* 1 x)) 4)) into (- (+ x 4) (* x z))
* [misc]approximate:  Taking taylor expansion of (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) in (x z) around 0
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) in z
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 x) 4) (* (/ 1 x) (/ 1 z))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 z)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 4) (* (/ 1 x) (/ 1 z))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 z)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ 1 z) into (/ 1 z)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* 1 (/ 1 z)) into (/ 1 z)
* [misc]backup-simplify:  Simplify (- (/ 1 z)) into (- (/ 1 z))
* [misc]backup-simplify:  Simplify (+ 1 (- (/ 1 z))) into (- 1 (/ 1 z))
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 4) into 4
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 4 (+ (* 1 (* 1 (/ 1 (/ 1 x)))) (* -1 (* (/ 1 (/ 1 z)) (/ 1 (/ 1 x)))))) into (- (+ x 4) (* x z))
* [misc]approximate:  Taking taylor expansion of (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in (x z) around 0
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in z
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in z
* [misc]taylor:  Taking taylor expansion of (- x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- z))) in z
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in z
* [misc]taylor:  Taking taylor expansion of (- x) in z
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- z)) in z
* [misc]taylor:  Taking taylor expansion of (- z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- z))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- z)) in x
* [misc]taylor:  Taking taylor expansion of (- z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- x)) 4) (* (/ 1 (- x)) (/ 1 (- z)))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) 4) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 4 in x
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- z))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- z)) in x
* [misc]taylor:  Taking taylor expansion of (- z) in x
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (/ 1 (- z)) into (/ -1 z)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (* -1 (/ -1 z)) into (/ 1 z)
* [misc]backup-simplify:  Simplify (- (/ 1 z)) into (- (/ 1 z))
* [misc]backup-simplify:  Simplify (+ -1 (- (/ 1 z))) into (- (+ 1 (/ 1 z)))
* [misc]taylor:  Taking taylor expansion of (- (+ 1 (/ 1 z))) in z
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 z)) in z
* [misc]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 z) in z
* [misc]taylor:  Taking taylor expansion of z in z
* [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]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 4) into 4
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 z))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) 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 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))) (* 0 (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 z)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ 4 (+ (* -1 (* 1 (/ 1 (/ 1 (- x))))) (* -1 (* (/ 1 (/ 1 (- z))) (/ 1 (/ 1 (- x))))))) into (- (+ x 4) (* x z))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (pow (* (- (+ x 4) (* x z)) (/ 1 y)) 1)))>
* [enter]simplify:  Simplifying (* (- (+ x 4) (* x z)) (/ 1 y))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (51 enodes)
* * [misc]simplify:  iters left: 3 (148 enodes)
* * [misc]simplify:  iters left: 2 (326 enodes)
* [exit]simplify:  Simplified to (/ (- (+ 4 x) (* z x)) y)
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (pow (/ (- (+ 4 x) (* z x)) y) 1)))
* * * * [misc]progress:  [ 2 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (pow (* (- (+ x 4) (* x z)) (/ 1 y)) 1)))>
* * * * [misc]progress:  [ 3 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (exp (+ (log (- (+ x 4) (* x z))) (log (/ 1 y))))))>
* [enter]simplify:  Simplifying (+ (log (- (+ x 4) (* x z))) (log (/ 1 y)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (53 enodes)
* * [misc]simplify:  iters left: 2 (62 enodes)
* * [misc]simplify:  iters left: 1 (84 enodes)
* [exit]simplify:  Simplified to (- (log (- (+ x 4) (* z x))) (log y))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (exp (- (log (- (+ x 4) (* z x))) (log y)))))
* * * * [misc]progress:  [ 4 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (exp (log (* (- (+ x 4) (* x z)) (/ 1 y))))))>
* * * * [misc]progress:  [ 5 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (log (exp (* (- (+ x 4) (* x z)) (/ 1 y))))))>
* * * * [misc]progress:  [ 6 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (cbrt (* (* (* (- (+ x 4) (* x z)) (- (+ x 4) (* x z))) (- (+ x 4) (* x z))) (* (* (/ 1 y) (/ 1 y)) (/ 1 y))))))>
* [enter]simplify:  Simplifying (* (* (* (- (+ x 4) (* x z)) (- (+ x 4) (* x z))) (- (+ x 4) (* x z))) (* (* (/ 1 y) (/ 1 y)) (/ 1 y)))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (35 enodes)
* * [misc]simplify:  iters left: 4 (115 enodes)
* [exit]simplify:  Simplified to (* (* (- (+ 4 x) (* z x)) (- (+ 4 x) (* z x))) (* (/ (/ 1 y) (* y y)) (- (+ 4 x) (* z x))))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (cbrt (* (* (- (+ 4 x) (* z x)) (- (+ 4 x) (* z x))) (* (/ (/ 1 y) (* y y)) (- (+ 4 x) (* z x)))))))
* * * * [misc]progress:  [ 7 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (* (cbrt (* (- (+ x 4) (* x z)) (/ 1 y))) (cbrt (* (- (+ x 4) (* x z)) (/ 1 y)))) (cbrt (* (- (+ x 4) (* x z)) (/ 1 y))))))>
* * * * [misc]progress:  [ 8 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (cbrt (* (* (* (- (+ x 4) (* x z)) (/ 1 y)) (* (- (+ x 4) (* x z)) (/ 1 y))) (* (- (+ x 4) (* x z)) (/ 1 y))))))>
* * * * [misc]progress:  [ 9 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (sqrt (* (- (+ x 4) (* x z)) (/ 1 y))) (sqrt (* (- (+ x 4) (* x z)) (/ 1 y))))))>
* * * * [misc]progress:  [ 10 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (* (- (pow (+ x 4) 3) (pow (* x z) 3)) 1) (* (+ (* (+ x 4) (+ x 4)) (+ (* (* x z) (* x z)) (* (+ x 4) (* x z)))) y))))>
* [enter]simplify:  Simplifying (* (- (pow (+ x 4) 3) (pow (* x z) 3)) 1)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (85 enodes)
* * [misc]simplify:  iters left: 3 (314 enodes)
* [exit]simplify:  Simplified to (- (pow (+ 4 x) 3) (pow (* z x) 3))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (- (pow (+ 4 x) 3) (pow (* z x) 3)) (* (+ (* (+ x 4) (+ x 4)) (+ (* (* x z) (* x z)) (* (+ x 4) (* x z)))) y))))
* [enter]simplify:  Simplifying (* (+ (* (+ x 4) (+ x 4)) (+ (* (* x z) (* x z)) (* (+ x 4) (* x z)))) y)
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (33 enodes)
* * [misc]simplify:  iters left: 4 (112 enodes)
* * [misc]simplify:  iters left: 3 (376 enodes)
* [exit]simplify:  Simplified to (+ (* (* (* z x) y) (* z x)) (* (* (+ 4 x) y) (+ (* z x) (+ 4 x))))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (/ (- (pow (+ 4 x) 3) (pow (* z x) 3)) (+ (* (* (* z x) y) (* z x)) (* (* (+ 4 x) y) (+ (* z x) (+ 4 x)))))))
* * * * [misc]progress:  [ 11 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (* (- (* (+ x 4) (+ x 4)) (* (* x z) (* x z))) 1) (* (+ (+ x 4) (* x z)) y))))>
* [enter]simplify:  Simplifying (* (- (* (+ x 4) (+ x 4)) (* (* x z) (* x z))) 1)
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (30 enodes)
* * [misc]simplify:  iters left: 4 (93 enodes)
* * [misc]simplify:  iters left: 3 (264 enodes)
* [exit]simplify:  Simplified to (- (* (+ 4 x) (+ 4 x)) (* (* z x) (* z x)))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (- (* (+ 4 x) (+ 4 x)) (* (* z x) (* z x))) (* (+ (+ x 4) (* x z)) y))))
* [enter]simplify:  Simplifying (* (+ (+ x 4) (* x z)) y)
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (34 enodes)
* * [misc]simplify:  iters left: 3 (62 enodes)
* * [misc]simplify:  iters left: 2 (77 enodes)
* * [misc]simplify:  iters left: 1 (97 enodes)
* [exit]simplify:  Simplified to (* (+ (+ 4 x) (* z x)) y)
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (/ (- (* (+ 4 x) (+ 4 x)) (* (* z x) (* z x))) (* (+ (+ 4 x) (* z x)) y))))
* * * * [misc]progress:  [ 12 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* 1 (* (- (+ x 4) (* x z)) (/ 1 y)))))>
* * * * [misc]progress:  [ 13 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))>
* * * * [misc]progress:  [ 14 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (* (- (+ x 4) (* x z)) (* (cbrt (/ 1 y)) (cbrt (/ 1 y)))) (cbrt (/ 1 y)))))>
* [enter]simplify:  Simplifying (cbrt (/ 1 y))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (cbrt (/ 1 y))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (* (* (- (+ x 4) (* x z)) (* (cbrt (/ 1 y)) (cbrt (/ 1 y)))) (cbrt (/ 1 y)))))
* * * * [misc]progress:  [ 15 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (* (- (+ x 4) (* x z)) (sqrt (/ 1 y))) (sqrt (/ 1 y)))))>
* [enter]simplify:  Simplifying (sqrt (/ 1 y))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (sqrt (/ 1 y))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (* (* (- (+ x 4) (* x z)) (sqrt (/ 1 y))) (sqrt (/ 1 y)))))
* * * * [misc]progress:  [ 16 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (* (- (+ x 4) (* x z)) 1) (/ 1 y))))>
* [enter]simplify:  Simplifying (/ 1 y)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ 1 y)
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (* (* (- (+ x 4) (* x z)) 1) (/ 1 y))))
* * * * [misc]progress:  [ 17 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (* (- (+ x 4) (* x z)) 1) (/ 1 y))))>
* [enter]simplify:  Simplifying (/ 1 y)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ 1 y)
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (* (* (- (+ x 4) (* x z)) 1) (/ 1 y))))
* * * * [misc]progress:  [ 18 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (* (cbrt (- (+ x 4) (* x z))) (cbrt (- (+ x 4) (* x z)))) (* (cbrt (- (+ x 4) (* x z))) (/ 1 y)))))>
* [enter]simplify:  Simplifying (* (cbrt (- (+ x 4) (* x z))) (cbrt (- (+ x 4) (* x z))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* * [misc]simplify:  iters left: 2 (43 enodes)
* * [misc]simplify:  iters left: 1 (52 enodes)
* [exit]simplify:  Simplified to (* (cbrt (- (+ x 4) (* z x))) (cbrt (- (+ x 4) (* z x))))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (* (* (cbrt (- (+ x 4) (* z x))) (cbrt (- (+ x 4) (* z x)))) (* (cbrt (- (+ x 4) (* x z))) (/ 1 y)))))
* * * * [misc]progress:  [ 19 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (sqrt (- (+ x 4) (* x z))) (* (sqrt (- (+ x 4) (* x z))) (/ 1 y)))))>
* [enter]simplify:  Simplifying (sqrt (- (+ x 4) (* x z)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (37 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (- (+ 4 x) (* z x)))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (* (sqrt (- (+ 4 x) (* z x))) (* (sqrt (- (+ x 4) (* x z))) (/ 1 y)))))
* * * * [misc]progress:  [ 20 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* 1 (* (- (+ x 4) (* x z)) (/ 1 y)))))>
* * * * [misc]progress:  [ 21 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (* (- (+ x 4) (* x z)) 1) y)))>
* * * * [misc]progress:  [ 22 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (* (- (pow (+ x 4) 3) (pow (* x z) 3)) (/ 1 y)) (+ (* (+ x 4) (+ x 4)) (+ (* (* x z) (* x z)) (* (+ x 4) (* x z)))))))>
* [enter]simplify:  Simplifying (* (- (pow (+ x 4) 3) (pow (* x z) 3)) (/ 1 y))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (31 enodes)
* * [misc]simplify:  iters left: 4 (91 enodes)
* * [misc]simplify:  iters left: 3 (356 enodes)
* [exit]simplify:  Simplified to (- (/ (* (+ 4 x) (+ 4 x)) (/ y (+ 4 x))) (/ (* (* z x) (* z x)) (/ y (* z x))))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (- (/ (* (+ 4 x) (+ 4 x)) (/ y (+ 4 x))) (/ (* (* z x) (* z x)) (/ y (* z x)))) (+ (* (+ x 4) (+ x 4)) (+ (* (* x z) (* x z)) (* (+ x 4) (* x z)))))))
* * * * [misc]progress:  [ 23 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (* (- (* (+ x 4) (+ x 4)) (* (* x z) (* x z))) (/ 1 y)) (+ (+ x 4) (* x z)))))>
* [enter]simplify:  Simplifying (* (- (* (+ x 4) (+ x 4)) (* (* x z) (* x z))) (/ 1 y))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (34 enodes)
* * [misc]simplify:  iters left: 4 (102 enodes)
* * [misc]simplify:  iters left: 3 (363 enodes)
* [exit]simplify:  Simplified to (/ (* (- (+ 4 x) (* z x)) (+ (* z x) (+ 4 x))) y)
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (/ (* (- (+ 4 x) (* z x)) (+ (* z x) (+ 4 x))) y) (+ (+ x 4) (* x z)))))
* * * * [misc]progress:  [ 24 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (/ 1 y) (- (+ x 4) (* x z)))))>
* * * * [misc]progress:  [ 25 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (log (/ (exp (+ x 4)) (exp (* x z)))) (/ 1 y))))>
* [enter]simplify:  Simplifying (/ (exp (+ x 4)) (exp (* x z)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (48 enodes)
* * [misc]simplify:  iters left: 1 (79 enodes)
* [exit]simplify:  Simplified to (exp (- (+ 4 x) (* z x)))
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (* (log (exp (- (+ 4 x) (* z x)))) (/ 1 y))))
* * * * [misc]progress:  [ 26 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (pow (- (+ x 4) (* x z)) 1) (/ 1 y))))>
* * * * [misc]progress:  [ 27 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (exp (log (- (+ x 4) (* x z)))) (/ 1 y))))>
* * * * [misc]progress:  [ 28 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (log (exp (- (+ x 4) (* x z)))) (/ 1 y))))>
* * * * [misc]progress:  [ 29 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (* (* (cbrt (- (+ x 4) (* x z))) (cbrt (- (+ x 4) (* x z)))) (cbrt (- (+ x 4) (* x z)))) (/ 1 y))))>
* * * * [misc]progress:  [ 30 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (cbrt (* (* (- (+ x 4) (* x z)) (- (+ x 4) (* x z))) (- (+ x 4) (* x z)))) (/ 1 y))))>
* * * * [misc]progress:  [ 31 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (* (sqrt (- (+ x 4) (* x z))) (sqrt (- (+ x 4) (* x z)))) (/ 1 y))))>
* * * * [misc]progress:  [ 32 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (/ (- (pow (+ x 4) 3) (pow (* x z) 3)) (+ (* (+ x 4) (+ x 4)) (+ (* (* x z) (* x z)) (* (+ x 4) (* x z))))) (/ 1 y))))>
* * * * [misc]progress:  [ 33 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (+ (+ x 4) (- (* x z))) (/ 1 y))))>
* * * * [misc]progress:  [ 34 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (* 1 (- (+ x 4) (* x z))) (/ 1 y))))>
* * * * [misc]progress:  [ 35 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (/ (- (* (+ x 4) (+ x 4)) (* (* x z) (* x z))) (+ (+ x 4) (* x z))) (/ 1 y))))>
* * * * [misc]progress:  [ 36 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (+ x (- 4 (* x z))) (/ 1 y))))>
* * * * [misc]progress:  [ 37 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (+ (+ x 4) (- (* x z))) (/ 1 y))))>
* * * * [misc]progress:  [ 38 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (64 enodes)
* * [misc]simplify:  iters left: 2 (78 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))
* * * * [misc]progress:  [ 39 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (64 enodes)
* * [misc]simplify:  iters left: 2 (78 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))
* * * * [misc]progress:  [ 40 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))))>
* [enter]simplify:  Simplifying (- (+ (/ x y) (* 4 (/ 1 y))) (/ (* x z) y))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (64 enodes)
* * [misc]simplify:  iters left: 2 (78 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))
* * * * [misc]progress:  [ 41 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (- (+ x 4) (* x z)) (/ 1 y))))>
* [enter]simplify:  Simplifying (- (+ x 4) (* x z))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (- (+ 4 x) (* z x))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (* (- (+ 4 x) (* z x)) (/ 1 y))))
* * * * [misc]progress:  [ 42 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (- (+ x 4) (* x z)) (/ 1 y))))>
* [enter]simplify:  Simplifying (- (+ x 4) (* x z))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (- (+ 4 x) (* z x))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (* (- (+ 4 x) (* z x)) (/ 1 y))))
* * * * [misc]progress:  [ 43 / 43 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (- (+ x 4) (* x z)) (/ 1 y))))>
* [enter]simplify:  Simplifying (- (+ x 4) (* x z))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (- (+ 4 x) (* z x))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (* (- (+ 4 x) (* z x)) (/ 1 y))))
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime:  Finding splitpoints for: (#<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))))> #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* x (* (/ 1 y) z)))))> #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))> #<alt (λ (x y z) (fabs (* (- (+ x 4) (* x z)) (/ 1 y))))> #<alt (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))>)
* * * [misc]regime-changes:  Trying 3 branch expressions: (z y x)
* * * * [misc]regimes:  Trying to branch on z from (#<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))))> #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* x (* (/ 1 y) z)))))> #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))> #<alt (λ (x y z) (fabs (* (- (+ x 4) (* x z)) (/ 1 y))))> #<alt (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))>)
* * * * [misc]regimes:  Trying to branch on y from (#<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))))> #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* x (* (/ 1 y) z)))))> #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))> #<alt (λ (x y z) (fabs (* (- (+ x 4) (* x z)) (/ 1 y))))> #<alt (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))>)
* * * * [misc]regimes:  Trying to branch on x from (#<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))))> #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* x (* (/ 1 y) z)))))> #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))> #<alt (λ (x y z) (fabs (* (- (+ x 4) (* x z)) (/ 1 y))))> #<alt (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))>)
* * * [misc]regime:  Found split indices: #<option (#s(si 2 227) #s(si 4 256))>
* [misc]binary-search:  Improving bounds with binary search for x and (#<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))))> #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* x (* (/ 1 y) z)))))> #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))> #<alt (λ (x y z) (fabs (* (- (+ x 4) (* x z)) (/ 1 y))))> #<alt (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))>)
* * * * [misc]points:  Sampling 16 additional inputs, on iter 0 have 0 / 16
* * * * [misc]points:  Computing exacts for 16 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 5 additional inputs, on iter 1 have 11 / 16
* * * * [misc]points:  Computing exacts for 5 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 2 have 15 / 16
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 18 points with exact outputs
* * * * [misc]points:  Sampling 16 additional inputs, on iter 0 have 0 / 16
* * * * [misc]points:  Computing exacts for 16 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 1 have 13 / 16
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 2 have 15 / 16
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 19 points with exact outputs
* * * * [misc]points:  Sampling 16 additional inputs, on iter 0 have 0 / 16
* * * * [misc]points:  Computing exacts for 16 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 1 have 14 / 16
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 17 points with exact outputs
* * * * [misc]points:  Sampling 16 additional inputs, on iter 0 have 0 / 16
* * * * [misc]points:  Computing exacts for 16 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 1 have 14 / 16
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 16 points with exact outputs
* * * * [misc]points:  Sampling 16 additional inputs, on iter 0 have 0 / 16
* * * * [misc]points:  Computing exacts for 16 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 1 have 13 / 16
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 16 points with exact outputs
* * * * [misc]points:  Sampling 16 additional inputs, on iter 0 have 0 / 16
* * * * [misc]points:  Computing exacts for 16 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 1 have 12 / 16
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 2 have 13 / 16
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 16 points with exact outputs
* * * * [misc]points:  Sampling 16 additional inputs, on iter 0 have 0 / 16
* * * * [misc]points:  Computing exacts for 16 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 8 additional inputs, on iter 1 have 8 / 16
* * * * [misc]points:  Computing exacts for 8 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 2 have 14 / 16
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 18 points with exact outputs
* * * * [misc]points:  Sampling 16 additional inputs, on iter 0 have 0 / 16
* * * * [misc]points:  Computing exacts for 16 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 5 additional inputs, on iter 1 have 11 / 16
* * * * [misc]points:  Computing exacts for 5 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 2 have 14 / 16
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 16 points with exact outputs
* * * * [misc]points:  Sampling 16 additional inputs, on iter 0 have 0 / 16
* * * * [misc]points:  Computing exacts for 16 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 16 points with exact outputs
* * * * [misc]points:  Sampling 16 additional inputs, on iter 0 have 0 / 16
* * * * [misc]points:  Computing exacts for 16 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 6 additional inputs, on iter 1 have 10 / 16
* * * * [misc]points:  Computing exacts for 6 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 2 have 13 / 16
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 3 have 15 / 16
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 17 points with exact outputs
* [misc]regimes:  Found splitpoints: (#s(sp 2 x 1.2730726422798763e+107) #s(sp 4 x +nan.0)) , with alts (#<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ x 4))) (* (/ x y) z))))> #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* x (* (/ 1 y) z)))))> #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))> #<alt (λ (x y z) (fabs (* (- (+ x 4) (* x z)) (/ 1 y))))> #<alt (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))>)
* [enter]simplify:  Simplifying (if (<= x 1.2730726422798763e+107) (fabs (/ (- (+ x 4) (* x z)) y)) (fabs (- (+ (/ x y) (/ 4 y)) (/ x (/ y z)))))
* * [misc]simplify:  iters left: 6 (19 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* [exit]simplify:  Simplified to (if (<= x 1.2730726422798763e+107) (fabs (/ (- (+ 4 x) (* z x)) y)) (fabs (- (+ (/ 4 y) (/ x y)) (/ x (/ y z)))))
* * * * [misc]points:  Sampling 8000 additional inputs, on iter 0 have 0 / 8000
* * * * [misc]points:  Computing exacts on every 500 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 250 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 125 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 62 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 31 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 15 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 7 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 3 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts for 8000 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 1739 additional inputs, on iter 1 have 6261 / 8000
* * * * [misc]points:  Computing exacts on every 108 of 1739 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 54 of 1739 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 27 of 1739 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 13 of 1739 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 6 of 1739 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 3 of 1739 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts for 1739 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 367 additional inputs, on iter 2 have 7633 / 8000
* * * * [misc]points:  Computing exacts on every 22 of 367 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 11 of 367 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 5 of 367 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 2 of 367 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts for 367 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 66 additional inputs, on iter 3 have 7934 / 8000
* * * * [misc]points:  Computing exacts on every 4 of 66 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 2 of 66 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts for 66 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 15 additional inputs, on iter 4 have 7985 / 8000
* * * * [misc]points:  Computing exacts for 15 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 5 have 7997 / 8000
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 8001 points with exact outputs