* [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 49 additional inputs, on iter 1 have 207 / 256
* * * * [misc]points:  Computing exacts on every 3 of 49 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts for 49 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 254 / 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 (13 enodes)
* [exit]simplify:  Simplified to (+ (pow x 3) (pow 4 3))
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (- (/ (+ (pow x 3) (pow 4 3)) (* 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 (10 enodes)
* * [misc]simplify:  iters left: 2 (17 enodes)
* * [misc]simplify:  iters left: 1 (32 enodes)
* [exit]simplify:  Simplified to (* (+ x 4) (- x 4))
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (- (/ (* (+ x 4) (- x 4)) (* 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 (60 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (80 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))))
* * * * [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 (60 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (80 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))))
* * * * [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 (60 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (80 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))))
* * * * [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)
* [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)
* [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)
* [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 (- (/ (+ 4 x) 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 in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of (/ y 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 z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ y 1) into y
* [misc]backup-simplify:  Simplify (/ x y) into (/ x y)
* [misc]taylor:  Taking taylor expansion of (/ x (/ y 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 (/ 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 (/ x (/ 1 z)) into (* x z)
* [misc]taylor:  Taking taylor expansion of (/ x (/ y 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 (/ y z) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ y z) into (/ y z)
* [misc]backup-simplify:  Simplify (/ 1 (/ y z)) into (/ z y)
* [misc]taylor:  Taking taylor expansion of (/ x (/ y 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 (/ y z) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ y z) into (/ y 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 1 into 1
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ y z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ y z)) (+ (* (/ z y) (/ 0 (/ y 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 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ y z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ y z)) (+ (* (/ z y) (/ 0 (/ y z))) (* 0 (/ 0 (/ y 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 (* 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) 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) (/ 1 z)) 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 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 y) 1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ (/ 1 x) (/ 1 y)) into (/ y x)
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ (/ 1 y) (/ 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 y) (/ 1 z)) 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 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 (/ 1 z)) into z
* [misc]backup-simplify:  Simplify (/ (/ 1 x) z) into (/ 1 (* x z))
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ (/ 1 y) (/ 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 y) (/ 1 z)) 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 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 y) (/ 1 z)) into (/ z y)
* [misc]backup-simplify:  Simplify (/ 1 (/ z y)) into (/ y z)
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ (/ 1 y) (/ 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 y) (/ 1 z)) 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 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 y) (/ 1 z)) into (/ z y)
* [misc]backup-simplify:  Simplify (/ 1 (/ z y)) 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 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* (/ z y) (/ 0 (/ 1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ z y)) (+ (* (/ y z) (/ 0 (/ z y))))) 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 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* (/ z y) (/ 0 (/ 1 z))) (* 0 (/ 0 (/ 1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ z y)) (+ (* (/ y z) (/ 0 (/ z y))) (* 0 (/ 0 (/ z y))))) 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 (/ 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 (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* (/ z y) (/ 0 (/ 1 z))) (* 0 (/ 0 (/ 1 z))) (* 0 (/ 0 (/ 1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ z y)) (+ (* (/ y z) (/ 0 (/ z y))) (* 0 (/ 0 (/ z y))) (* 0 (/ 0 (/ z y))))) 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)) 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)) (/ 1 (- z))) 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 (- 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]backup-simplify:  Simplify (/ (/ -1 y) -1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ (/ -1 x) (/ 1 y)) into (* -1 (/ y x))
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ (/ 1 (- y)) (/ 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 (- y)) (/ 1 (- z))) 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 (- 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 (/ -1 z)) into z
* [misc]backup-simplify:  Simplify (/ (/ -1 x) z) into (/ -1 (* x z))
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ (/ 1 (- y)) (/ 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 (- y)) (/ 1 (- z))) 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 (- 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 y) (/ -1 z)) into (/ z y)
* [misc]backup-simplify:  Simplify (/ -1 (/ z y)) into (* -1 (/ y z))
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ (/ 1 (- y)) (/ 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 (- y)) (/ 1 (- z))) 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 (- 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 y) (/ -1 z)) into (/ z y)
* [misc]backup-simplify:  Simplify (/ -1 (/ z y)) 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 (- 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) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 z)) (+ (* (/ z y) (/ 0 (/ -1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ z y)) (+ (* (* -1 (/ y z)) (/ 0 (/ z y))))) 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 (- 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) 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 (/ -1 z)) (+ (* (/ z y) (/ 0 (/ -1 z))) (* 0 (/ 0 (/ -1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ z y)) (+ (* (* -1 (/ y z)) (/ 0 (/ z y))) (* 0 (/ 0 (/ z y))))) 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 (- 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) 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 (/ -1 z)) (+ (* (/ z y) (/ 0 (/ -1 z))) (* 0 (/ 0 (/ -1 z))) (* 0 (/ 0 (/ -1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ z y)) (+ (* (* -1 (/ y z)) (/ 0 (/ z y))) (* 0 (/ 0 (/ z y))) (* 0 (/ 0 (/ z y))))) 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 (- (/ (+ 4 x) y) (/ x (/ y z))) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (- (/ (+ 4 x) y) (/ x (/ y z))) in z
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 x) y) in z
* [misc]taylor:  Taking taylor expansion of (+ 4 x) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [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 (+ 4 x) 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 in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of (/ y 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 z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ y 1) into y
* [misc]backup-simplify:  Simplify (/ x y) into (/ x y)
* [misc]taylor:  Taking taylor expansion of (- (/ (+ 4 x) y) (/ x (/ y z))) in y
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 x) y) in y
* [misc]taylor:  Taking taylor expansion of (+ 4 x) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [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 (+ 4 x) 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 in y
* [misc]backup-simplify:  Simplify x into x
* [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 (/ x (/ 1 z)) into (* x z)
* [misc]taylor:  Taking taylor expansion of (- (/ (+ 4 x) y) (/ x (/ y z))) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 x) y) in x
* [misc]taylor:  Taking taylor expansion of (+ 4 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 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 (+ 4 0) 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 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ y z) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ y z) into (/ y z)
* [misc]backup-simplify:  Simplify (/ 1 (/ y z)) into (/ z y)
* [misc]taylor:  Taking taylor expansion of (- (/ (+ 4 x) y) (/ x (/ y z))) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 x) y) in x
* [misc]taylor:  Taking taylor expansion of (+ 4 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 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 (+ 4 0) 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 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ y z) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ y z) into (/ y z)
* [misc]backup-simplify:  Simplify (/ 1 (/ y z)) into (/ z y)
* [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 (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- (/ 1 y) (+ (* (/ 4 y) (/ 0 y)))) into (/ 1 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 z) (+ (* (/ y z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ y z)) (+ (* (/ z y) (/ 0 (/ y 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 (- (/ (+ 4 (/ 1 x)) (/ 1 y)) (/ (/ 1 x) (/ (/ 1 y) (/ 1 z)))) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (- (/ (+ 4 (/ 1 x)) (/ 1 y)) (/ (/ 1 x) (/ (/ 1 y) (/ 1 z)))) in z
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 (/ 1 x)) (/ 1 y)) in z
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 x)) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [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 (+ 4 (/ 1 x)) 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) 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) (/ 1 z)) 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 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 y) 1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ (/ 1 x) (/ 1 y)) into (/ y x)
* [misc]taylor:  Taking taylor expansion of (- (/ (+ 4 (/ 1 x)) (/ 1 y)) (/ (/ 1 x) (/ (/ 1 y) (/ 1 z)))) in y
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 (/ 1 x)) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 x)) 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 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 (+ 4 (/ 1 x)) 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) 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) (/ 1 z)) 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 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 (/ 1 z)) into z
* [misc]backup-simplify:  Simplify (/ (/ 1 x) z) into (/ 1 (* x z))
* [misc]taylor:  Taking taylor expansion of (- (/ (+ 4 (/ 1 x)) (/ 1 y)) (/ (/ 1 x) (/ (/ 1 y) (/ 1 z)))) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 (/ 1 x)) (/ 1 y)) in x
* [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]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 1) 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) 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) (/ 1 z)) 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 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 y) (/ 1 z)) into (/ z y)
* [misc]backup-simplify:  Simplify (/ 1 (/ z y)) into (/ y z)
* [misc]taylor:  Taking taylor expansion of (- (/ (+ 4 (/ 1 x)) (/ 1 y)) (/ (/ 1 x) (/ (/ 1 y) (/ 1 z)))) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 (/ 1 x)) (/ 1 y)) in x
* [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]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 1) 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) 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) (/ 1 z)) 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 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 y) (/ 1 z)) into (/ z y)
* [misc]backup-simplify:  Simplify (/ 1 (/ z y)) 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 (+ 4 0) 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 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* (/ z y) (/ 0 (/ 1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ z y)) (+ (* (/ y z) (/ 0 (/ z y))))) 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 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* (/ z y) (/ 0 (/ 1 z))) (* 0 (/ 0 (/ 1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ z y)) (+ (* (/ y z) (/ 0 (/ z y))) (* 0 (/ 0 (/ z y))))) 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 (- (/ (+ 4 (/ 1 (- x))) (/ 1 (- y))) (/ (/ 1 (- x)) (/ (/ 1 (- y)) (/ 1 (- z))))) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (- (/ (+ 4 (/ 1 (- x))) (/ 1 (- y))) (/ (/ 1 (- x)) (/ (/ 1 (- y)) (/ 1 (- z))))) in z
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 (/ 1 (- x))) (/ 1 (- y))) in z
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 (- x))) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [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 (+ 4 (/ -1 x)) 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)) 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)) (/ 1 (- z))) 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 (- 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]backup-simplify:  Simplify (/ (/ -1 y) -1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ (/ -1 x) (/ 1 y)) into (* -1 (/ y x))
* [misc]taylor:  Taking taylor expansion of (- (/ (+ 4 (/ 1 (- x))) (/ 1 (- y))) (/ (/ 1 (- x)) (/ (/ 1 (- y)) (/ 1 (- z))))) in y
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 (/ 1 (- x))) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 (- x))) 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 (- 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 (+ 4 (/ -1 x)) 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)) 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)) (/ 1 (- z))) 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 (- 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 (/ -1 z)) into z
* [misc]backup-simplify:  Simplify (/ (/ -1 x) z) into (/ -1 (* x z))
* [misc]taylor:  Taking taylor expansion of (- (/ (+ 4 (/ 1 (- x))) (/ 1 (- y))) (/ (/ 1 (- x)) (/ (/ 1 (- y)) (/ 1 (- z))))) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 (/ 1 (- x))) (/ 1 (- y))) in x
* [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]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 (+ 0 -1) 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)) 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)) (/ 1 (- z))) 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 (- 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 y) (/ -1 z)) into (/ z y)
* [misc]backup-simplify:  Simplify (/ -1 (/ z y)) into (* -1 (/ y z))
* [misc]taylor:  Taking taylor expansion of (- (/ (+ 4 (/ 1 (- x))) (/ 1 (- y))) (/ (/ 1 (- x)) (/ (/ 1 (- y)) (/ 1 (- z))))) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 (/ 1 (- x))) (/ 1 (- y))) in x
* [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]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 (+ 0 -1) 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)) 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)) (/ 1 (- z))) 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 (- 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 y) (/ -1 z)) into (/ z y)
* [misc]backup-simplify:  Simplify (/ -1 (/ z y)) 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 (+ 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 (/ 0 (/ -1 y))))) into (- (* 4 y))
* [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) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 z)) (+ (* (/ z y) (/ 0 (/ -1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ z y)) (+ (* (* -1 (/ y z)) (/ 0 (/ z y))))) 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 (- 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) 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 (/ -1 z)) (+ (* (/ z y) (/ 0 (/ -1 z))) (* 0 (/ 0 (/ -1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ z y)) (+ (* (* -1 (/ y z)) (/ 0 (/ z y))) (* 0 (/ 0 (/ z y))))) 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 (/ (+ 4 x) y) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 x) y) in y
* [misc]taylor:  Taking taylor expansion of (+ 4 x) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [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 (+ 4 x) into (+ x 4)
* [misc]backup-simplify:  Simplify (/ (+ x 4) 1) into (+ x 4)
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 x) y) in x
* [misc]taylor:  Taking taylor expansion of (+ 4 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 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 (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (/ 4 y) into (/ 4 y)
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 x) y) in x
* [misc]taylor:  Taking taylor expansion of (+ 4 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 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 (+ 4 0) 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 (+ 0 1) 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 (/ (+ 4 (/ 1 x)) (/ 1 y)) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 (/ 1 x)) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 x)) 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 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 (+ 4 (/ 1 x)) into (+ (/ 1 x) 4)
* [misc]backup-simplify:  Simplify (/ (+ (/ 1 x) 4) 1) into (+ (/ 1 x) 4)
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 (/ 1 x)) (/ 1 y)) in x
* [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]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 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 (/ 1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 (/ 1 x)) (/ 1 y)) in x
* [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]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 1) 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 (+ 4 0) 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 (/ (+ 4 (/ 1 (- x))) (/ 1 (- y))) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 (/ 1 (- x))) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 (- x))) 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 (- 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 (+ 4 (/ -1 x)) into (- 4 (/ 1 x))
* [misc]backup-simplify:  Simplify (/ (- 4 (/ 1 x)) -1) into (* -1 (- 4 (/ 1 x)))
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 (/ 1 (- x))) (/ 1 (- y))) in x
* [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]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 (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ -1 (/ -1 y)) into y
* [misc]taylor:  Taking taylor expansion of (/ (+ 4 (/ 1 (- x))) (/ 1 (- y))) in x
* [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]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 (+ 0 -1) 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 (+ 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 (/ 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 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (pow (/ x (/ y z)) 1))))>
* * * * [misc]progress:  [ 2 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (exp (log (/ x (/ y z)))))))>
* * * * [misc]progress:  [ 3 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (log (exp (/ x (/ y z)))))))>
* * * * [misc]progress:  [ 4 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (* (* (cbrt (/ x (/ y z))) (cbrt (/ x (/ y z)))) (cbrt (/ x (/ y z)))))))>
* * * * [misc]progress:  [ 5 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (cbrt (* (* (/ x (/ y z)) (/ x (/ y z))) (/ x (/ y z)))))))>
* * * * [misc]progress:  [ 6 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (* (sqrt (/ x (/ y z))) (sqrt (/ x (/ y z)))))))>
* * * * [misc]progress:  [ 7 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ (- x) (- (/ y z))))))>
* * * * [misc]progress:  [ 8 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (* 1 (/ x (/ y z))))))>
* * * * [misc]progress:  [ 9 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (* x (/ 1 (/ y z))))))>
* * * * [misc]progress:  [ 10 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ 1 (/ (/ y z) x)))))>
* * * * [misc]progress:  [ 11 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ (/ x (* (cbrt (/ y z)) (cbrt (/ y z)))) (cbrt (/ y z))))))>
* [enter]simplify:  Simplifying (cbrt (/ y z))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (cbrt (/ y z))
* [misc]simplify:  Simplified (2 1 2 2) to (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ (/ x (* (cbrt (/ y z)) (cbrt (/ y z)))) (cbrt (/ y z))))))
* * * * [misc]progress:  [ 12 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ (/ x (sqrt (/ y z))) (sqrt (/ y z))))))>
* [enter]simplify:  Simplifying (sqrt (/ y z))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (sqrt (/ y z))
* [misc]simplify:  Simplified (2 1 2 2) to (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ (/ x (sqrt (/ y z))) (sqrt (/ y z))))))
* * * * [misc]progress:  [ 13 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ (/ x 1) (/ y z)))))>
* [enter]simplify:  Simplifying (/ y z)
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (/ y z)
* [misc]simplify:  Simplified (2 1 2 2) to (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ (/ x 1) (/ y z)))))
* * * * [misc]progress:  [ 14 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ (/ x y) (/ 1 z)))))>
* [enter]simplify:  Simplifying (/ 1 z)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ 1 z)
* [misc]simplify:  Simplified (2 1 2 2) to (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ (/ x y) (/ 1 z)))))
* * * * [misc]progress:  [ 15 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (* (/ x y) z))))>
* * * * [misc]progress:  [ 16 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (log (/ (exp (/ (+ 4 x) y)) (exp (/ x (/ y z)))))))>
* [enter]simplify:  Simplifying (/ (exp (/ (+ 4 x) y)) (exp (/ x (/ y z))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (23 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 (- (/ (+ x 4) y) (/ (* z x) y)))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (log (exp (- (/ (+ x 4) y) (/ (* z x) y))))))
* * * * [misc]progress:  [ 17 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (pow (- (/ (+ 4 x) y) (/ x (/ y z))) 1)))>
* * * * [misc]progress:  [ 18 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (exp (log (- (/ (+ 4 x) y) (/ x (/ y z)))))))>
* * * * [misc]progress:  [ 19 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (log (exp (- (/ (+ 4 x) y) (/ x (/ y z)))))))>
* * * * [misc]progress:  [ 20 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (* (cbrt (- (/ (+ 4 x) y) (/ x (/ y z)))) (cbrt (- (/ (+ 4 x) y) (/ x (/ y z))))) (cbrt (- (/ (+ 4 x) y) (/ x (/ y z)))))))>
* * * * [misc]progress:  [ 21 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (cbrt (* (* (- (/ (+ 4 x) y) (/ x (/ y z))) (- (/ (+ 4 x) y) (/ x (/ y z)))) (- (/ (+ 4 x) y) (/ x (/ y z)))))))>
* * * * [misc]progress:  [ 22 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (sqrt (- (/ (+ 4 x) y) (/ x (/ y z)))) (sqrt (- (/ (+ 4 x) y) (/ x (/ y z)))))))>
* * * * [misc]progress:  [ 23 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (- (* (+ 4 x) (/ y z)) (* y x))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (72 enodes)
* * [misc]simplify:  iters left: 2 (107 enodes)
* * [misc]simplify:  iters left: 1 (120 enodes)
* [exit]simplify:  Simplified to (- (* (+ x 4) (/ y z)) (* y x))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (- (* (+ x 4) (/ y z)) (* y x)) (* y (/ y z)))))
* [enter]simplify:  Simplifying (* y (/ y z))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* [exit]simplify:  Simplified to (* y (/ y z))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 24 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (pow (/ (+ 4 x) y) 3) (pow (/ x (/ y z)) 3)) (+ (* (/ (+ 4 x) y) (/ (+ 4 x) y)) (+ (* (/ x (/ y z)) (/ x (/ y z))) (* (/ (+ 4 x) y) (/ x (/ y z))))))))>
* * * * [misc]progress:  [ 25 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (+ (/ (+ 4 x) y) (- (/ x (/ y z))))))>
* * * * [misc]progress:  [ 26 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (* 1 (- (/ (+ 4 x) y) (/ x (/ y z))))))>
* * * * [misc]progress:  [ 27 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (/ (+ 4 x) y) (/ (+ 4 x) y)) (* (/ x (/ y z)) (/ x (/ y z)))) (+ (/ (+ 4 x) y) (/ x (/ y z))))))>
* * * * [misc]progress:  [ 28 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (+ (sqrt (/ (+ 4 x) y)) (sqrt (/ x (/ y z)))) (- (sqrt (/ (+ 4 x) y)) (sqrt (/ x (/ y z)))))))>
* [enter]simplify:  Simplifying (+ (sqrt (/ (+ 4 x) y)) (sqrt (/ x (/ y z))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (+ (sqrt (/ (+ x 4) y)) (sqrt (/ (* z x) y)))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (* (+ (sqrt (/ (+ x 4) y)) (sqrt (/ (* z x) y))) (- (sqrt (/ (+ 4 x) y)) (sqrt (/ x (/ y z)))))))
* [enter]simplify:  Simplifying (- (sqrt (/ (+ 4 x) y)) (sqrt (/ x (/ y z))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (20 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* [exit]simplify:  Simplified to (- (sqrt (/ (+ x 4) y)) (sqrt (* (/ x y) z)))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (* (+ (sqrt (/ (+ 4 x) y)) (sqrt (/ x (/ y z)))) (- (sqrt (/ (+ x 4) y)) (sqrt (* (/ x y) z))))))
* * * * [misc]progress:  [ 29 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (* 1 (- (/ (+ 4 x) y) (/ x (/ y z))))))>
* [enter]simplify:  Simplifying (- (/ (+ 4 x) y) (/ x (/ y z)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (38 enodes)
* * [misc]simplify:  iters left: 1 (39 enodes)
* [exit]simplify:  Simplified to (- (/ (+ x 4) y) (* (/ x y) z))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (* 1 (- (/ (+ x 4) y) (* (/ x y) z)))))
* * * * [misc]progress:  [ 30 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (+ (/ (+ 4 x) y) (- (/ x (/ y z))))))>
* * * * [misc]progress:  [ 31 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (pow (/ (+ 4 x) y) 1) (/ x (/ y z)))))>
* * * * [misc]progress:  [ 32 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (exp (log (/ (+ 4 x) y))) (/ x (/ y z)))))>
* * * * [misc]progress:  [ 33 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (log (exp (/ (+ 4 x) y))) (/ x (/ y z)))))>
* * * * [misc]progress:  [ 34 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (* (* (cbrt (/ (+ 4 x) y)) (cbrt (/ (+ 4 x) y))) (cbrt (/ (+ 4 x) y))) (/ x (/ y z)))))>
* * * * [misc]progress:  [ 35 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (cbrt (* (* (/ (+ 4 x) y) (/ (+ 4 x) y)) (/ (+ 4 x) y))) (/ x (/ y z)))))>
* * * * [misc]progress:  [ 36 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (* (sqrt (/ (+ 4 x) y)) (sqrt (/ (+ 4 x) y))) (/ x (/ y z)))))>
* * * * [misc]progress:  [ 37 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (- (+ 4 x)) (- y)) (/ x (/ y z)))))>
* * * * [misc]progress:  [ 38 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (* 1 (/ (+ 4 x) y)) (/ x (/ y z)))))>
* * * * [misc]progress:  [ 39 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (* (+ 4 x) (/ 1 y)) (/ x (/ y z)))))>
* * * * [misc]progress:  [ 40 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ 4 x))) (/ x (/ y z)))))>
* * * * [misc]progress:  [ 41 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (* (cbrt (+ 4 x)) (cbrt (+ 4 x))) (/ y (cbrt (+ 4 x)))) (/ x (/ y z)))))>
* [enter]simplify:  Simplifying (* (cbrt (+ 4 x)) (cbrt (+ 4 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (6 enodes)
* [exit]simplify:  Simplified to (* (cbrt (+ x 4)) (cbrt (+ x 4)))
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (- (/ (* (cbrt (+ x 4)) (cbrt (+ x 4))) (/ y (cbrt (+ 4 x)))) (/ x (/ y z)))))
* * * * [misc]progress:  [ 42 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (sqrt (+ 4 x)) (/ y (sqrt (+ 4 x)))) (/ x (/ y z)))))>
* [enter]simplify:  Simplifying (sqrt (+ 4 x))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (5 enodes)
* [exit]simplify:  Simplified to (sqrt (+ x 4))
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (- (/ (sqrt (+ x 4)) (/ y (sqrt (+ 4 x)))) (/ x (/ y z)))))
* * * * [misc]progress:  [ 43 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ 1 (/ y (+ 4 x))) (/ x (/ y z)))))>
* * * * [misc]progress:  [ 44 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ (pow 4 3) (pow x 3)) (* y (+ (* 4 4) (- (* x x) (* 4 x))))) (/ x (/ y z)))))>
* [enter]simplify:  Simplifying (+ (pow 4 3) (pow x 3))
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* [exit]simplify:  Simplified to (+ (pow 4 3) (pow x 3))
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (- (/ (+ (pow 4 3) (pow x 3)) (* y (+ (* 4 4) (- (* x x) (* 4 x))))) (/ x (/ y z)))))
* * * * [misc]progress:  [ 45 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (- (* 4 4) (* x x)) (* y (- 4 x))) (/ x (/ y z)))))>
* [enter]simplify:  Simplifying (- (* 4 4) (* x x))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (17 enodes)
* * [misc]simplify:  iters left: 1 (32 enodes)
* [exit]simplify:  Simplified to (* (+ 4 x) (- 4 x))
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (- (/ (* (+ 4 x) (- 4 x)) (* y (- 4 x))) (/ x (/ y z)))))
* * * * [misc]progress:  [ 46 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) 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 (- (/ (+ 4 x) y) (/ z (/ y x)))))
* * * * [misc]progress:  [ 47 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) 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 (- (/ (+ 4 x) y) (/ z (/ y x)))))
* * * * [misc]progress:  [ 48 / 54 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (+ 4 x) 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 (- (/ (+ 4 x) y) (/ z (/ y x)))))
* * * * [misc]progress:  [ 49 / 54 ] 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 (60 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (80 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))))
* * * * [misc]progress:  [ 50 / 54 ] 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 (60 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (80 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))))
* * * * [misc]progress:  [ 51 / 54 ] 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 (60 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (80 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))))
* * * * [misc]progress:  [ 52 / 54 ] 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)
* [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:  [ 53 / 54 ] 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)
* [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:  [ 54 / 54 ] 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)
* [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 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 / 1 ] rewriting at (2 1)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] 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:  simplifying candidates
* * * * [misc]progress:  [ 1 / 19 ] simplifiying candidate #<alt (λ (x y z) (fabs (pow (/ (- (+ x 4) (* x z)) y) 1)))>
* * * * [misc]progress:  [ 2 / 19 ] simplifiying candidate #<alt (λ (x y z) (fabs (exp (log (/ (- (+ x 4) (* x z)) y)))))>
* * * * [misc]progress:  [ 3 / 19 ] simplifiying candidate #<alt (λ (x y z) (fabs (log (exp (/ (- (+ x 4) (* x z)) y)))))>
* * * * [misc]progress:  [ 4 / 19 ] 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 / 19 ] 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 / 19 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (sqrt (/ (- (+ x 4) (* x z)) y)) (sqrt (/ (- (+ x 4) (* x z)) y)))))>
* * * * [misc]progress:  [ 7 / 19 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (- (+ x 4) (* x z))) (- y))))>
* * * * [misc]progress:  [ 8 / 19 ] 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 / 19 ] simplifiying candidate #<alt (λ (x y z) (fabs (* 1 (/ (- (+ x 4) (* x z)) y))))>
* * * * [misc]progress:  [ 10 / 19 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (- (+ x 4) (* x z)) (/ 1 y))))>
* * * * [misc]progress:  [ 11 / 19 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ 1 (/ y (- (+ x 4) (* x z))))))>
* * * * [misc]progress:  [ 12 / 19 ] 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 / 19 ] 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 / 19 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ 1 (/ y (- (+ x 4) (* x z))))))>
* * * * [misc]progress:  [ 15 / 19 ] 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 (259 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 / 19 ] 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 (76 enodes)
* * [misc]simplify:  iters left: 3 (229 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 / 19 ] 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 (60 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (80 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))))
* * * * [misc]progress:  [ 18 / 19 ] 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 (60 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (80 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))))
* * * * [misc]progress:  [ 19 / 19 ] 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 (60 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (80 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))))
* * * [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 (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 4 ] rewriting at (2 1)
* * * * [misc]progress:  [ 2 / 4 ] rewriting at (2 1 1)
* * * * [misc]progress:  [ 3 / 4 ] rewriting at (2 1 2)
* * * * [misc]progress:  [ 4 / 4 ] rewriting at (2 1 1 1)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 4 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z))) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z))) in z
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 x) (/ y z)) (* y x)) in z
* [misc]taylor:  Taking taylor expansion of (* (+ 4 x) (/ y z)) in z
* [misc]taylor:  Taking taylor expansion of (+ 4 x) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of (/ y 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 z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ y 1) into y
* [misc]taylor:  Taking taylor expansion of (* y x) 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 in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of (* y (/ y 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 (/ y 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 z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ y 1) into y
* [misc]backup-simplify:  Simplify (+ 4 x) into (+ x 4)
* [misc]backup-simplify:  Simplify (* (+ x 4) y) into (* y (+ x 4))
* [misc]backup-simplify:  Simplify (+ (* y (+ x 4)) 0) into (+ (* 4 y) (* x y))
* [misc]backup-simplify:  Simplify (* y y) into (pow y 2)
* [misc]backup-simplify:  Simplify (/ (+ (* 4 y) (* x y)) (pow y 2)) into (/ (+ (* 4 y) (* x y)) (pow y 2))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z))) in y
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 x) (/ y z)) (* y x)) in y
* [misc]taylor:  Taking taylor expansion of (* (+ 4 x) (/ y z)) in y
* [misc]taylor:  Taking taylor expansion of (+ 4 x) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [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 x) 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 in y
* [misc]backup-simplify:  Simplify x into x
* [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 (* 0 x) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 4 x) into (+ x 4)
* [misc]backup-simplify:  Simplify (* (+ x 4) (/ 1 z)) into (/ (+ x 4) z)
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 x)) into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (+ (/ (+ x 4) z) (- x)) into (- (+ (/ x z) (* 4 (/ 1 z))) x)
* [misc]backup-simplify:  Simplify (* 0 (/ 1 z)) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (/ 1 z))) into (/ 1 z)
* [misc]backup-simplify:  Simplify (/ (- (+ (/ x z) (* 4 (/ 1 z))) x) (/ 1 z)) into (* z (- (+ (/ x z) (* 4 (/ 1 z))) x))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z))) in x
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 x) (/ y z)) (* y x)) in x
* [misc]taylor:  Taking taylor expansion of (* (+ 4 x) (/ y z)) in x
* [misc]taylor:  Taking taylor expansion of (+ 4 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 x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ y z) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ y z) into (/ y z)
* [misc]taylor:  Taking taylor expansion of (* y x) 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 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* y (/ y z)) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (/ y z) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ y z) into (/ y z)
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (* 4 (/ y z)) into (* 4 (/ y z))
* [misc]backup-simplify:  Simplify (* y 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 (/ y z)) 0) into (* 4 (/ y z))
* [misc]backup-simplify:  Simplify (* y (/ y z)) into (/ (pow y 2) z)
* [misc]backup-simplify:  Simplify (/ (* 4 (/ y z)) (/ (pow y 2) z)) into (/ 4 y)
* [misc]taylor:  Taking taylor expansion of (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z))) in x
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 x) (/ y z)) (* y x)) in x
* [misc]taylor:  Taking taylor expansion of (* (+ 4 x) (/ y z)) in x
* [misc]taylor:  Taking taylor expansion of (+ 4 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 x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ y z) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ y z) into (/ y z)
* [misc]taylor:  Taking taylor expansion of (* y x) 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 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* y (/ y z)) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (/ y z) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ y z) into (/ y z)
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (* 4 (/ y z)) into (* 4 (/ y z))
* [misc]backup-simplify:  Simplify (* y 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 (/ y z)) 0) into (* 4 (/ y z))
* [misc]backup-simplify:  Simplify (* y (/ y z)) into (/ (pow y 2) z)
* [misc]backup-simplify:  Simplify (/ (* 4 (/ y z)) (/ (pow y 2) z)) 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]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 z) (+ (* (/ y z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ (* 4 0) (* 1 (/ y z))) into (/ y z)
* [misc]backup-simplify:  Simplify (+ (* y 1) (* 0 0)) into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (+ (/ y z) (- y)) into (- (/ y z) y)
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ y z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (* 0 (/ y z))) into 0
* [misc]backup-simplify:  Simplify (- (/ (- (/ y z) y) (/ (pow y 2) z)) (+ (* (/ 4 y) (/ 0 (/ (pow y 2) z))))) 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 (- (/ 0 1) (+ (* 4 (/ 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 z) (+ (* (/ y z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 0) (+ (* 1 0) (* 0 (/ y z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ y z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (+ (* 0 0) (* 0 (/ y z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ (pow y 2) z)) (+ (* (/ 4 y) (/ 0 (/ (pow y 2) z))) (* (- (/ 1 y) (/ z y)) (/ 0 (/ (pow y 2) z))))) 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 (- (/ 0 1) (+ (* 4 (/ 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 (- 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 (/ (- (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) (* (/ 1 y) (/ 1 x))) (* (/ 1 y) (/ (/ 1 y) (/ 1 z)))) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) (* (/ 1 y) (/ 1 x))) (* (/ 1 y) (/ (/ 1 y) (/ 1 z)))) in z
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) (* (/ 1 y) (/ 1 x))) in z
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) in z
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 x)) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [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) (/ 1 z)) 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 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 y) 1) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 y) (/ 1 x)) 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) 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) (/ (/ 1 y) (/ 1 z))) 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 y) (/ 1 z)) 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 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 y) 1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (* (/ 1 y) (/ 1 x)) into (/ 1 (* x y))
* [misc]backup-simplify:  Simplify (- (/ 1 (* x y))) into (- (/ 1 (* x y)))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 (* x y)))) into (- (/ 1 (* x y)))
* [misc]backup-simplify:  Simplify (* (/ 1 y) (/ 1 y)) into (/ 1 (pow y 2))
* [misc]backup-simplify:  Simplify (/ (- (/ 1 (* x y))) (/ 1 (pow y 2))) into (* -1 (/ y x))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) (* (/ 1 y) (/ 1 x))) (* (/ 1 y) (/ (/ 1 y) (/ 1 z)))) in y
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) (* (/ 1 y) (/ 1 x))) in y
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) in y
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 x)) 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 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) (/ 1 z)) 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 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 (/ 1 z)) into z
* [misc]taylor:  Taking taylor expansion of (* (/ 1 y) (/ 1 x)) 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) 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) (/ (/ 1 y) (/ 1 z))) 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 y) (/ 1 z)) 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 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 (/ 1 z)) into z
* [misc]backup-simplify:  Simplify (+ 4 (/ 1 x)) into (+ (/ 1 x) 4)
* [misc]backup-simplify:  Simplify (* (+ (/ 1 x) 4) z) into (* (+ (/ 1 x) 4) z)
* [misc]backup-simplify:  Simplify (* 1 (/ 1 x)) into (/ 1 x)
* [misc]backup-simplify:  Simplify (- (/ 1 x)) into (- (/ 1 x))
* [misc]backup-simplify:  Simplify (+ (* (+ (/ 1 x) 4) z) (- (/ 1 x))) into (- (+ (/ z x) (* 4 z)) (/ 1 x))
* [misc]backup-simplify:  Simplify (* 1 z) into z
* [misc]backup-simplify:  Simplify (/ (- (+ (/ z x) (* 4 z)) (/ 1 x)) z) into (/ (- (+ (/ z x) (* 4 z)) (/ 1 x)) z)
* [misc]taylor:  Taking taylor expansion of (/ (- (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) (* (/ 1 y) (/ 1 x))) (* (/ 1 y) (/ (/ 1 y) (/ 1 z)))) in x
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) (* (/ 1 y) (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) in x
* [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]taylor:  Taking taylor expansion of (/ (/ 1 y) (/ 1 z)) 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 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 y) (/ 1 z)) into (/ z y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 y) (/ 1 x)) 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) 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) (/ (/ 1 y) (/ 1 z))) 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 y) (/ 1 z)) 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 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 y) (/ 1 z)) into (/ z y)
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* 1 (/ z y)) into (/ z y)
* [misc]backup-simplify:  Simplify (* (/ 1 y) 1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (- (/ 1 y)) into (- (/ 1 y))
* [misc]backup-simplify:  Simplify (+ (/ z y) (- (/ 1 y))) into (- (/ z y) (/ 1 y))
* [misc]backup-simplify:  Simplify (* (/ 1 y) (/ z y)) into (/ z (pow y 2))
* [misc]backup-simplify:  Simplify (/ (- (/ z y) (/ 1 y)) (/ z (pow y 2))) into (/ (* (pow y 2) (- (/ z y) (/ 1 y))) z)
* [misc]taylor:  Taking taylor expansion of (/ (- (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) (* (/ 1 y) (/ 1 x))) (* (/ 1 y) (/ (/ 1 y) (/ 1 z)))) in x
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) (* (/ 1 y) (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) in x
* [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]taylor:  Taking taylor expansion of (/ (/ 1 y) (/ 1 z)) 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 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 y) (/ 1 z)) into (/ z y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 y) (/ 1 x)) 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) 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) (/ (/ 1 y) (/ 1 z))) 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 y) (/ 1 z)) 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 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 y) (/ 1 z)) into (/ z y)
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* 1 (/ z y)) into (/ z y)
* [misc]backup-simplify:  Simplify (* (/ 1 y) 1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (- (/ 1 y)) into (- (/ 1 y))
* [misc]backup-simplify:  Simplify (+ (/ z y) (- (/ 1 y))) into (- (/ z y) (/ 1 y))
* [misc]backup-simplify:  Simplify (* (/ 1 y) (/ z y)) into (/ z (pow y 2))
* [misc]backup-simplify:  Simplify (/ (- (/ z y) (/ 1 y)) (/ z (pow y 2))) into (/ (* (pow y 2) (- (/ z y) (/ 1 y))) z)
* [misc]taylor:  Taking taylor expansion of (/ (* (pow y 2) (- (/ z y) (/ 1 y))) z) in y
* [misc]taylor:  Taking taylor expansion of (* (pow y 2) (- (/ z y) (/ 1 y))) in y
* [misc]taylor:  Taking taylor expansion of (pow y 2) in y
* [misc]taylor:  Taking taylor expansion of (- (/ z y) (/ 1 y)) in 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 (/ 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 in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ z -1) into (- z 1)
* [misc]backup-simplify:  Simplify (* 1 (- z 1)) into (- z 1)
* [misc]backup-simplify:  Simplify (/ (- z 1) z) into (/ (- z 1) z)
* [misc]taylor:  Taking taylor expansion of (/ (- z 1) z) in z
* [misc]taylor:  Taking taylor expansion of (- z 1) 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 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) 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 (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* (/ z y) (/ 0 (/ 1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 4 (/ z y))) into (* 4 (/ z y))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 y) 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 (/ z y)) 0) into (* 4 (/ z y))
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* (/ z y) (/ 0 (/ 1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 y) 0) (* 0 (/ z y))) into 0
* [misc]backup-simplify:  Simplify (- (/ (* 4 (/ z y)) (/ z (pow y 2))) (+ (* (/ (* (pow y 2) (- (/ z y) (/ 1 y))) z) (/ 0 (/ z (pow y 2)))))) 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 1) (+ (* z (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 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 (- z 1))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ (- 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 (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 1 1) (+ (* -1 (/ 0 1)))) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* (/ z y) (/ 0 (/ 1 z))) (* 0 (/ 0 (/ 1 z))))) 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) (+ (* 4 0) (* 0 (/ z y)))) 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 (+ (* (/ 1 y) 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* (/ z y) (/ 0 (/ 1 z))) (* 0 (/ 0 (/ 1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 y) 0) (+ (* 0 0) (* 0 (/ z y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ z (pow y 2))) (+ (* (/ (* (pow y 2) (- (/ z y) (/ 1 y))) z) (/ 0 (/ z (pow y 2)))) (* (* 4 y) (/ 0 (/ z (pow y 2)))))) 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 1) (+ (* z (/ 0 1)) (* 0 (/ 0 1)))) 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 0) (* 0 (- z 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ (- 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 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 (/ (- (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) (* (/ 1 (- y)) (/ 1 (- x)))) (* (/ 1 (- y)) (/ (/ 1 (- y)) (/ 1 (- z))))) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) (* (/ 1 (- y)) (/ 1 (- x)))) (* (/ 1 (- y)) (/ (/ 1 (- y)) (/ 1 (- z))))) in z
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) (* (/ 1 (- y)) (/ 1 (- x)))) in z
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) in z
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 (- x))) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [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)) (/ 1 (- z))) 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 (- 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]backup-simplify:  Simplify (/ (/ -1 y) -1) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- y)) (/ 1 (- x))) 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)) 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)) (/ (/ 1 (- y)) (/ 1 (- z)))) 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 (- y)) (/ 1 (- z))) 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 (- 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]backup-simplify:  Simplify (/ (/ -1 y) -1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (* (/ -1 y) (/ -1 x)) into (/ 1 (* x y))
* [misc]backup-simplify:  Simplify (- (/ 1 (* x y))) into (- (/ 1 (* x y)))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 (* x y)))) into (- (/ 1 (* x y)))
* [misc]backup-simplify:  Simplify (* (/ -1 y) (/ 1 y)) into (/ -1 (pow y 2))
* [misc]backup-simplify:  Simplify (/ (- (/ 1 (* x y))) (/ -1 (pow y 2))) into (/ y x)
* [misc]taylor:  Taking taylor expansion of (/ (- (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) (* (/ 1 (- y)) (/ 1 (- x)))) (* (/ 1 (- y)) (/ (/ 1 (- y)) (/ 1 (- z))))) in y
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) (* (/ 1 (- y)) (/ 1 (- x)))) in y
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) in y
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 (- x))) 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 (- 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)) (/ 1 (- z))) 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 (- 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 (/ -1 z)) into z
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- y)) (/ 1 (- x))) 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)) 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)) (/ (/ 1 (- y)) (/ 1 (- z)))) 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 (- y)) (/ 1 (- z))) 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 (- 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 (/ -1 z)) into z
* [misc]backup-simplify:  Simplify (+ 4 (/ -1 x)) into (- 4 (/ 1 x))
* [misc]backup-simplify:  Simplify (* (- 4 (/ 1 x)) z) into (* z (- 4 (/ 1 x)))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 x)) into (/ 1 x)
* [misc]backup-simplify:  Simplify (- (/ 1 x)) into (- (/ 1 x))
* [misc]backup-simplify:  Simplify (+ (* z (- 4 (/ 1 x))) (- (/ 1 x))) into (- (* 4 z) (+ (/ z x) (/ 1 x)))
* [misc]backup-simplify:  Simplify (* -1 z) into (* -1 z)
* [misc]backup-simplify:  Simplify (/ (- (* 4 z) (+ (/ z x) (/ 1 x))) (* -1 z)) into (* -1 (/ (- (* 4 z) (+ (/ z x) (/ 1 x))) z))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) (* (/ 1 (- y)) (/ 1 (- x)))) (* (/ 1 (- y)) (/ (/ 1 (- y)) (/ 1 (- z))))) in x
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) (* (/ 1 (- y)) (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) in x
* [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]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)) (/ 1 (- z))) 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 (- 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 y) (/ -1 z)) into (/ z y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- y)) (/ 1 (- x))) 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)) 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)) (/ (/ 1 (- y)) (/ 1 (- z)))) 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 (- y)) (/ 1 (- z))) 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 (- 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 y) (/ -1 z)) into (/ z y)
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 (/ z y)) into (* -1 (/ z y))
* [misc]backup-simplify:  Simplify (* (/ -1 y) -1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (- (/ 1 y)) into (- (/ 1 y))
* [misc]backup-simplify:  Simplify (+ (* -1 (/ z y)) (- (/ 1 y))) into (- (+ (/ z y) (/ 1 y)))
* [misc]backup-simplify:  Simplify (* (/ -1 y) (/ z y)) into (* -1 (/ z (pow y 2)))
* [misc]backup-simplify:  Simplify (/ (- (+ (/ z y) (/ 1 y))) (* -1 (/ z (pow y 2)))) into (/ (* (pow y 2) (+ (/ z y) (/ 1 y))) z)
* [misc]taylor:  Taking taylor expansion of (/ (- (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) (* (/ 1 (- y)) (/ 1 (- x)))) (* (/ 1 (- y)) (/ (/ 1 (- y)) (/ 1 (- z))))) in x
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) (* (/ 1 (- y)) (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) in x
* [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]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)) (/ 1 (- z))) 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 (- 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 y) (/ -1 z)) into (/ z y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- y)) (/ 1 (- x))) 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)) 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)) (/ (/ 1 (- y)) (/ 1 (- z)))) 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 (- y)) (/ 1 (- z))) 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 (- 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 y) (/ -1 z)) into (/ z y)
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 (/ z y)) into (* -1 (/ z y))
* [misc]backup-simplify:  Simplify (* (/ -1 y) -1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (- (/ 1 y)) into (- (/ 1 y))
* [misc]backup-simplify:  Simplify (+ (* -1 (/ z y)) (- (/ 1 y))) into (- (+ (/ z y) (/ 1 y)))
* [misc]backup-simplify:  Simplify (* (/ -1 y) (/ z y)) into (* -1 (/ z (pow y 2)))
* [misc]backup-simplify:  Simplify (/ (- (+ (/ z y) (/ 1 y))) (* -1 (/ z (pow y 2)))) into (/ (* (pow y 2) (+ (/ z y) (/ 1 y))) z)
* [misc]taylor:  Taking taylor expansion of (/ (* (pow y 2) (+ (/ z y) (/ 1 y))) z) in y
* [misc]taylor:  Taking taylor expansion of (* (pow y 2) (+ (/ z y) (/ 1 y))) in y
* [misc]taylor:  Taking taylor expansion of (pow y 2) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ z y) (/ 1 y)) in 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 (/ 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 in y
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (+ z 1) into (+ z 1)
* [misc]backup-simplify:  Simplify (* 1 (+ z 1)) into (+ z 1)
* [misc]backup-simplify:  Simplify (/ (+ z 1) z) into (/ (+ z 1) z)
* [misc]taylor:  Taking taylor expansion of (/ (+ z 1) z) in z
* [misc]taylor:  Taking taylor expansion of (+ z 1) 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 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 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 (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) 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 (/ -1 z)) (+ (* (/ z y) (/ 0 (/ -1 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 (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 4 (/ z y))) into (* 4 (/ z y))
* [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 (+ (* (/ -1 y) 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 (/ z y)) 0) into (* 4 (/ z y))
* [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) into 0
* [misc]backup-simplify:  Simplify (- z) into (- z)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 z) (/ 0 (- z))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 z)) (+ (* (/ z y) (/ 0 (/ -1 z))))) 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 (+ (* (/ -1 y) 0) (* 0 (/ z y))) into 0
* [misc]backup-simplify:  Simplify (- (/ (* 4 (/ z y)) (* -1 (/ z (pow y 2)))) (+ (* (/ (* (pow y 2) (+ (/ z y) (/ 1 y))) z) (/ 0 (* -1 (/ z (pow y 2))))))) 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 1) (+ (* z (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (+ z 1))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ (+ 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) into 1
* [misc]backup-simplify:  Simplify (- (/ 1 1) (+ (* 1 (/ 0 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 (- 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) 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 (/ -1 z)) (+ (* (/ z y) (/ 0 (/ -1 z))) (* 0 (/ 0 (/ -1 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 0) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 4 0) (* 0 (/ z 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) 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) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 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) 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 (/ -1 z)) (+ (* (/ z y) (/ 0 (/ -1 z))) (* 0 (/ 0 (/ -1 z))))) 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) (+ (* 0 0) (* 0 (/ z y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (* -1 (/ z (pow y 2)))) (+ (* (/ (* (pow y 2) (+ (/ z y) (/ 1 y))) z) (/ 0 (* -1 (/ z (pow y 2))))) (* (- (* 4 y)) (/ 0 (* -1 (/ z (pow y 2))))))) 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 1) (+ (* z (/ 0 1)) (* 0 (/ 0 1)))) 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) (+ (* 0 0) (* 0 (+ z 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ (+ 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 -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:  [ 2 / 4 ] generating series at (2 1 1)
* [misc]approximate:  Taking taylor expansion of (- (* (+ 4 x) (/ y z)) (* y x)) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 x) (/ y z)) (* y x)) in z
* [misc]taylor:  Taking taylor expansion of (* (+ 4 x) (/ y z)) in z
* [misc]taylor:  Taking taylor expansion of (+ 4 x) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of (/ y 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 z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ y 1) into y
* [misc]taylor:  Taking taylor expansion of (* y x) 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 in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 x) (/ y z)) (* y x)) in y
* [misc]taylor:  Taking taylor expansion of (* (+ 4 x) (/ y z)) in y
* [misc]taylor:  Taking taylor expansion of (+ 4 x) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [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 x) 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 in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 x) (/ y z)) (* y x)) in x
* [misc]taylor:  Taking taylor expansion of (* (+ 4 x) (/ y z)) in x
* [misc]taylor:  Taking taylor expansion of (+ 4 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 x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ y z) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ y z) into (/ y z)
* [misc]taylor:  Taking taylor expansion of (* y x) 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 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 x) (/ y z)) (* y x)) in x
* [misc]taylor:  Taking taylor expansion of (* (+ 4 x) (/ y z)) in x
* [misc]taylor:  Taking taylor expansion of (+ 4 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 x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ y z) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ y z) into (/ y z)
* [misc]taylor:  Taking taylor expansion of (* y x) 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 in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (* 4 (/ y z)) into (* 4 (/ y z))
* [misc]backup-simplify:  Simplify (* y 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 (/ y z)) 0) into (* 4 (/ y z))
* [misc]taylor:  Taking taylor expansion of (* 4 (/ y z)) 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 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 (- (/ 0 z) (+ (* (/ y z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ (* 4 0) (* 1 (/ y z))) into (/ y z)
* [misc]backup-simplify:  Simplify (+ (* y 1) (* 0 0)) into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (+ (/ y z) (- y)) 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 (- 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 (/ 1 z)) into (/ 4 z)
* [misc]taylor:  Taking taylor expansion of (/ 4 z) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [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 (/ 4 1) into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ y z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 0) (+ (* 1 0) (* 0 (/ y z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (+ (* 0 1) (* 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 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 (- 1) into -1
* [misc]backup-simplify:  Simplify (+ (/ 1 z) -1) into (- (/ 1 z) 1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 z) 1) in 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]taylor:  Taking taylor expansion of 1 in z
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 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 1) (+ (* 4 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ y z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 0) (+ (* 1 0) (+ (* 0 0) (* 0 (/ y z))))) into 0
* [misc]backup-simplify:  Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 1) (* 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 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)))) 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 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 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 (- (+ (* 1 (/ 0 1)))) 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 (* 1 (* y x))) (+ (* 1 (* (/ 1 z) (* y x))) (* 4 (* (/ 1 z) (* y 1))))) into (- (+ (/ (* x y) z) (* 4 (/ y z))) (* x y))
* [misc]approximate:  Taking taylor expansion of (- (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) (* (/ 1 y) (/ 1 x))) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) (* (/ 1 y) (/ 1 x))) in z
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) in z
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 x)) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [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) (/ 1 z)) 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 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 y) 1) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 y) (/ 1 x)) 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) 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 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) (* (/ 1 y) (/ 1 x))) in y
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) in y
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 x)) 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 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) (/ 1 z)) 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 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 (/ 1 z)) into z
* [misc]taylor:  Taking taylor expansion of (* (/ 1 y) (/ 1 x)) 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) 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 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) (* (/ 1 y) (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) in x
* [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]taylor:  Taking taylor expansion of (/ (/ 1 y) (/ 1 z)) 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 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 y) (/ 1 z)) into (/ z y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 y) (/ 1 x)) 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) 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 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) (* (/ 1 y) (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) in x
* [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]taylor:  Taking taylor expansion of (/ (/ 1 y) (/ 1 z)) 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 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 y) (/ 1 z)) into (/ z y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 y) (/ 1 x)) 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) 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 (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* 1 (/ z y)) into (/ z y)
* [misc]backup-simplify:  Simplify (* (/ 1 y) 1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (- (/ 1 y)) into (- (/ 1 y))
* [misc]backup-simplify:  Simplify (+ (/ z y) (- (/ 1 y))) into (- (/ z y) (/ 1 y))
* [misc]taylor:  Taking taylor expansion of (- (/ z y) (/ 1 y)) in 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 (/ 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 (+ z -1) into (- z 1)
* [misc]taylor:  Taking taylor expansion of (- z 1) 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 1 in z
* [misc]backup-simplify:  Simplify 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 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* (/ z y) (/ 0 (/ 1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 4 (/ z y))) into (* 4 (/ z y))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 y) 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 (/ z y)) 0) into (* 4 (/ z y))
* [misc]taylor:  Taking taylor expansion of (* 4 (/ z 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 (/ 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 (* 4 z) into (* 4 z)
* [misc]taylor:  Taking taylor expansion of (* 4 z) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [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 (* 4 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* z (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 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 (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* (/ z y) (/ 0 (/ 1 z))) (* 0 (/ 0 (/ 1 z))))) 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) (+ (* 4 0) (* 0 (/ z y)))) 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 (+ (* (/ 1 y) 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* z (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 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 1) (+ (* z (/ 0 1)) (* 0 (/ 0 1)))) 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]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 (+ (* 4 1) (* 0 0)) into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (* 4 (* (/ 1 z) (* (/ 1 (/ 1 y)) 1))) (+ (* 1 (* (/ 1 z) (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x))))) (* -1 (* 1 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x))))))) into (- (+ (/ (* x y) z) (* 4 (/ y z))) (* x y))
* [misc]approximate:  Taking taylor expansion of (- (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) (* (/ 1 (- y)) (/ 1 (- x)))) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (- (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) (* (/ 1 (- y)) (/ 1 (- x)))) in z
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) in z
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 (- x))) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [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)) (/ 1 (- z))) 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 (- 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]backup-simplify:  Simplify (/ (/ -1 y) -1) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- y)) (/ 1 (- x))) 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)) 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 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) (* (/ 1 (- y)) (/ 1 (- x)))) in y
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) in y
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 (- x))) 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 (- 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)) (/ 1 (- z))) 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 (- 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 (/ -1 z)) into z
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- y)) (/ 1 (- x))) 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)) 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 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) (* (/ 1 (- y)) (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) in x
* [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]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)) (/ 1 (- z))) 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 (- 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 y) (/ -1 z)) into (/ z y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- y)) (/ 1 (- x))) 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)) 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 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) (* (/ 1 (- y)) (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) in x
* [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]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)) (/ 1 (- z))) 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 (- 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 y) (/ -1 z)) into (/ z y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- y)) (/ 1 (- x))) 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)) 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]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 (/ z y)) into (* -1 (/ z y))
* [misc]backup-simplify:  Simplify (* (/ -1 y) -1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (- (/ 1 y)) into (- (/ 1 y))
* [misc]backup-simplify:  Simplify (+ (* -1 (/ z y)) (- (/ 1 y))) into (- (+ (/ z y) (/ 1 y)))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ z y) (/ 1 y))) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ z y) (/ 1 y)) in 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 (/ 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 (+ z 1) into (+ z 1)
* [misc]backup-simplify:  Simplify (- (+ z 1)) into (- (+ z 1))
* [misc]taylor:  Taking taylor expansion of (- (+ z 1)) in z
* [misc]taylor:  Taking taylor expansion of (+ z 1) 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 1 in z
* [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 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 (- 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 (/ -1 z)) (+ (* (/ z y) (/ 0 (/ -1 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 (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 4 (/ z y))) into (* 4 (/ z y))
* [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 (+ (* (/ -1 y) 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 (/ z y)) 0) into (* 4 (/ z y))
* [misc]taylor:  Taking taylor expansion of (* 4 (/ z 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 (/ 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 (* 4 z) into (* 4 z)
* [misc]taylor:  Taking taylor expansion of (* 4 z) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [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 (* 4 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* z (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in 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 (- 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 (- 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) 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 (/ -1 z)) (+ (* (/ z y) (/ 0 (/ -1 z))) (* 0 (/ 0 (/ -1 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 0) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 4 0) (* 0 (/ z 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) 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) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* z (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 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 1) (+ (* z (/ 0 1)) (* 0 (/ 0 1)))) 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]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 (+ (* 4 1) (* 0 0)) into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (+ (* 4 (* (/ 1 (- z)) (* (/ 1 (/ 1 (- y))) 1))) (+ (* -1 (* (/ 1 (- z)) (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x)))))) (* -1 (* 1 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x)))))))) into (- (+ (/ (* x y) z) (* 4 (/ y z))) (* x y))
* * * * [misc]progress:  [ 3 / 4 ] generating series at (2 1 2)
* [misc]approximate:  Taking taylor expansion of (* y (/ y z)) in (y z) around 0
* [misc]taylor:  Taking taylor expansion of (* y (/ y 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 (/ y 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 z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ y 1) into y
* [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]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 (* 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 z) (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (/ 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 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 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 (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [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 (+ (* 0 0) (+ (* 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 (- (+ (* 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 (* 1 (* (/ 1 z) (pow y 2))) into (/ (pow y 2) z)
* [misc]approximate:  Taking taylor expansion of (* (/ 1 y) (/ (/ 1 y) (/ 1 z))) in (y z) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 y) (/ (/ 1 y) (/ 1 z))) 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 y) (/ 1 z)) 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 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 y) 1) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 y) (/ (/ 1 y) (/ 1 z))) 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 y) (/ 1 z)) 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 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 (/ 1 z)) into z
* [misc]taylor:  Taking taylor expansion of (* (/ 1 y) (/ (/ 1 y) (/ 1 z))) 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 y) (/ 1 z)) 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 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 (/ 1 z)) into z
* [misc]backup-simplify:  Simplify (* 1 z) 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 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* z (/ 0 (/ 1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 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 (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* z (/ 0 (/ 1 z))) (* 0 (/ 0 (/ 1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 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 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* z (/ 0 (/ 1 z))) (* 0 (/ 0 (/ 1 z))) (* 0 (/ 0 (/ 1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 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 (* 1 (* (/ 1 z) (pow (/ 1 y) -2))) into (/ (pow y 2) z)
* [misc]approximate:  Taking taylor expansion of (* (/ 1 (- y)) (/ (/ 1 (- y)) (/ 1 (- z)))) in (y z) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- y)) (/ (/ 1 (- y)) (/ 1 (- z)))) 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 (- y)) (/ 1 (- z))) 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 (- 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]backup-simplify:  Simplify (/ (/ -1 y) -1) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- y)) (/ (/ 1 (- y)) (/ 1 (- z)))) 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 (- y)) (/ 1 (- z))) 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 (- 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 (/ -1 z)) into z
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- y)) (/ (/ 1 (- y)) (/ 1 (- z)))) 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 (- y)) (/ 1 (- z))) 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 (- 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 (/ -1 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 (+ (* -1 1) (* 0 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 (- (+ (* -1 (/ 0 -1)))) 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 (/ -1 z)) (+ (* z (/ 0 (/ -1 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 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 (+ (* -1 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) 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 (- 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 (/ -1 z)) (+ (* z (/ 0 (/ -1 z))) (* 0 (/ 0 (/ -1 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 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) (+ (* 0 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) 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 (- 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 (/ -1 z)) (+ (* z (/ 0 (/ -1 z))) (* 0 (/ 0 (/ -1 z))) (* 0 (/ 0 (/ -1 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 (+ (* -1 0) (+ (* 0 0) (+ (* 0 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 (* -1 (* (/ 1 (- z)) (pow (/ 1 (- y)) -2))) into (/ (pow y 2) z)
* * * * [misc]progress:  [ 4 / 4 ] generating series at (2 1 1 1)
* [misc]approximate:  Taking taylor expansion of (* (+ 4 x) (/ y z)) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (* (+ 4 x) (/ y z)) in z
* [misc]taylor:  Taking taylor expansion of (+ 4 x) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of x in z
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of (/ y 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 z in z
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ y 1) into y
* [misc]taylor:  Taking taylor expansion of (* (+ 4 x) (/ y z)) in y
* [misc]taylor:  Taking taylor expansion of (+ 4 x) in y
* [misc]taylor:  Taking taylor expansion of 4 in y
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [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 (* (+ 4 x) (/ y z)) in x
* [misc]taylor:  Taking taylor expansion of (+ 4 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 x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ y z) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ y z) into (/ y z)
* [misc]taylor:  Taking taylor expansion of (* (+ 4 x) (/ y z)) in x
* [misc]taylor:  Taking taylor expansion of (+ 4 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 x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ y z) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of z in x
* [misc]backup-simplify:  Simplify z into z
* [misc]backup-simplify:  Simplify (/ y z) into (/ y z)
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (* 4 (/ y z)) into (* 4 (/ y z))
* [misc]taylor:  Taking taylor expansion of (* 4 (/ y z)) 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 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 (* 4 (/ 1 z)) into (/ 4 z)
* [misc]taylor:  Taking taylor expansion of (/ 4 z) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [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 (/ 4 1) into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ y z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ (* 4 0) (* 1 (/ y 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 (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 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) (+ (* 4 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 z) (+ (* (/ y z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 0) (+ (* 1 0) (* 0 (/ y 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 (- (/ 0 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 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 (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 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 z) (+ (* (/ y z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 0) (+ (* 1 0) (+ (* 0 0) (* 0 (/ y 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 z) (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 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 z) (* y x))) (* 4 (* (/ 1 z) (* y 1)))) into (+ (/ (* x y) z) (* 4 (/ y z)))
* [misc]approximate:  Taking taylor expansion of (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) in z
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 x)) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [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) (/ 1 z)) 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 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 y) 1) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) in y
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 x)) 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 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) (/ 1 z)) 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 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 (/ 1 z)) into z
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) in x
* [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]taylor:  Taking taylor expansion of (/ (/ 1 y) (/ 1 z)) 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 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 y) (/ 1 z)) into (/ z y)
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 x)) (/ (/ 1 y) (/ 1 z))) in x
* [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]taylor:  Taking taylor expansion of (/ (/ 1 y) (/ 1 z)) 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 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 y) (/ 1 z)) into (/ z y)
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* 1 (/ z y)) 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 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* (/ z y) (/ 0 (/ 1 z))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 4 (/ z y))) into (* 4 (/ z y))
* [misc]taylor:  Taking taylor expansion of (* 4 (/ z 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 (/ 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 (* 4 z) into (* 4 z)
* [misc]taylor:  Taking taylor expansion of (* 4 z) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [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 (+ (* 4 1) (* 0 0)) into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [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 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 z)) (+ (* (/ z y) (/ 0 (/ 1 z))) (* 0 (/ 0 (/ 1 z))))) 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) (+ (* 4 0) (* 0 (/ z 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) (+ (* z (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 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 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 (+ (* 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 (+ (* 4 (* (/ 1 z) (* (/ 1 (/ 1 y)) 1))) (* 1 (* (/ 1 z) (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x)))))) into (+ (/ (* x y) z) (* 4 (/ y z)))
* [misc]approximate:  Taking taylor expansion of (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) in (x y z) around 0
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) in z
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 (- x))) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [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)) (/ 1 (- z))) 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 (- 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]backup-simplify:  Simplify (/ (/ -1 y) -1) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) in y
* [misc]taylor:  Taking taylor expansion of (+ 4 (/ 1 (- x))) 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 (- 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)) (/ 1 (- z))) 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 (- 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 (/ -1 z)) into z
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) in x
* [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]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)) (/ 1 (- z))) 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 (- 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 y) (/ -1 z)) into (/ z y)
* [misc]taylor:  Taking taylor expansion of (* (+ 4 (/ 1 (- x))) (/ (/ 1 (- y)) (/ 1 (- z)))) in x
* [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]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)) (/ 1 (- z))) 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 (- 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 y) (/ -1 z)) into (/ z y)
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 (/ z y)) into (* -1 (/ z y))
* [misc]taylor:  Taking taylor expansion of (* -1 (/ z 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 (/ 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 (* -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) (* 0 0)) 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 (- 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 (/ -1 z)) (+ (* (/ z y) (/ 0 (/ -1 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 (+ 4 0) into 4
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 4 (/ z y))) into (* 4 (/ z y))
* [misc]taylor:  Taking taylor expansion of (* 4 (/ z 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 (/ 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 (* 4 z) into (* 4 z)
* [misc]taylor:  Taking taylor expansion of (* 4 z) in z
* [misc]taylor:  Taking taylor expansion of 4 in z
* [misc]backup-simplify:  Simplify 4 into 4
* [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 (+ (* 4 1) (* 0 0)) into 4
* [misc]backup-simplify:  Simplify 4 into 4
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* z (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 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 (+ (* -1 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 (- 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) 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 (/ -1 z)) (+ (* (/ z y) (/ 0 (/ -1 z))) (* 0 (/ 0 (/ -1 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 0) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 4 0) (* 0 (/ z 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) (+ (* z (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 4 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 1) (+ (* z (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 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 (+ (* 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 (+ (* 4 (* (/ 1 (- z)) (* (/ 1 (/ 1 (- y))) 1))) (* -1 (* (/ 1 (- z)) (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x))))))) into (+ (/ (* x y) z) (* 4 (/ y z)))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (pow (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z))) 1)))>
* * * * [misc]progress:  [ 2 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (exp (- (log (- (* (+ 4 x) (/ y z)) (* y x))) (log (* y (/ y z)))))))>
* [enter]simplify:  Simplifying (- (log (- (* (+ 4 x) (/ y z)) (* y x))) (log (* y (/ y z))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (28 enodes)
* * [misc]simplify:  iters left: 4 (59 enodes)
* * [misc]simplify:  iters left: 3 (116 enodes)
* * [misc]simplify:  iters left: 2 (180 enodes)
* * [misc]simplify:  iters left: 1 (267 enodes)
* [exit]simplify:  Simplified to (- (log (- (* (+ x 4) (/ y z)) (* y x))) (log (* y (/ y z))))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (exp (- (log (- (* (+ x 4) (/ y z)) (* y x))) (log (* y (/ y z)))))))
* * * * [misc]progress:  [ 3 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (exp (log (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))))>
* * * * [misc]progress:  [ 4 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (log (exp (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))))>
* * * * [misc]progress:  [ 5 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (cbrt (/ (* (* (- (* (+ 4 x) (/ y z)) (* y x)) (- (* (+ 4 x) (/ y z)) (* y x))) (- (* (+ 4 x) (/ y z)) (* y x))) (* (* (* y (/ y z)) (* y (/ y z))) (* y (/ y z)))))))>
* [enter]simplify:  Simplifying (/ (* (* (- (* (+ 4 x) (/ y z)) (* y x)) (- (* (+ 4 x) (/ y z)) (* y x))) (- (* (+ 4 x) (/ y z)) (* y x))) (* (* (* y (/ y z)) (* y (/ y z))) (* y (/ y z))))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (40 enodes)
* * [misc]simplify:  iters left: 4 (168 enodes)
* [exit]simplify:  Simplified to (pow (/ (- (* (+ x 4) (/ y z)) (* y x)) (* y (/ y z))) 3)
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (cbrt (pow (/ (- (* (+ x 4) (/ y z)) (* y x)) (* y (/ y z))) 3))))
* * * * [misc]progress:  [ 6 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (* (cbrt (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))) (cbrt (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z))))) (cbrt (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))))>
* * * * [misc]progress:  [ 7 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (cbrt (* (* (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z))) (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))) (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))))>
* * * * [misc]progress:  [ 8 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (sqrt (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))) (sqrt (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))))>
* * * * [misc]progress:  [ 9 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (- (* (+ 4 x) (/ y z)) (* y x))) (- (* y (/ y z))))))>
* * * * [misc]progress:  [ 10 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (- (/ (* (+ 4 x) (/ y z)) (* y (/ y z))) (/ (* y x) (* y (/ y z))))))>
* [enter]simplify:  Simplifying (/ (* (+ 4 x) (/ y z)) (* y (/ y z)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (66 enodes)
* * [misc]simplify:  iters left: 3 (161 enodes)
* [exit]simplify:  Simplified to (/ (+ x 4) y)
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (- (/ (+ x 4) y) (/ (* y x) (* y (/ y z))))))
* * * * [misc]progress:  [ 11 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (/ (* (cbrt (- (* (+ 4 x) (/ y z)) (* y x))) (cbrt (- (* (+ 4 x) (/ y z)) (* y x)))) y) (/ (cbrt (- (* (+ 4 x) (/ y z)) (* y x))) (/ y z)))))>
* [enter]simplify:  Simplifying (/ (* (cbrt (- (* (+ 4 x) (/ y z)) (* y x))) (cbrt (- (* (+ 4 x) (/ y z)) (* y x)))) y)
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (42 enodes)
* * [misc]simplify:  iters left: 3 (80 enodes)
* * [misc]simplify:  iters left: 2 (113 enodes)
* * [misc]simplify:  iters left: 1 (126 enodes)
* [exit]simplify:  Simplified to (* (cbrt (- (/ (+ x 4) (/ z y)) (* y x))) (/ (cbrt (- (/ (+ x 4) (/ z y)) (* y x))) y))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (* (* (cbrt (- (/ (+ x 4) (/ z y)) (* y x))) (/ (cbrt (- (/ (+ x 4) (/ z y)) (* y x))) y)) (/ (cbrt (- (* (+ 4 x) (/ y z)) (* y x))) (/ y z)))))
* [enter]simplify:  Simplifying (/ (cbrt (- (* (+ 4 x) (/ y z)) (* y x))) (/ y z))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (42 enodes)
* * [misc]simplify:  iters left: 3 (81 enodes)
* * [misc]simplify:  iters left: 2 (115 enodes)
* * [misc]simplify:  iters left: 1 (128 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- (* (+ x 4) (/ y z)) (* y x))) (/ y z))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (* (/ (* (cbrt (- (* (+ 4 x) (/ y z)) (* y x))) (cbrt (- (* (+ 4 x) (/ y z)) (* y x)))) y) (/ (cbrt (- (* (+ x 4) (/ y z)) (* y x))) (/ y z)))))
* * * * [misc]progress:  [ 12 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (/ (sqrt (- (* (+ 4 x) (/ y z)) (* y x))) y) (/ (sqrt (- (* (+ 4 x) (/ y z)) (* y x))) (/ y z)))))>
* [enter]simplify:  Simplifying (/ (sqrt (- (* (+ 4 x) (/ y z)) (* y x))) y)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (37 enodes)
* * [misc]simplify:  iters left: 3 (74 enodes)
* * [misc]simplify:  iters left: 2 (108 enodes)
* * [misc]simplify:  iters left: 1 (121 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- (* (+ x 4) (/ y z)) (* y x))) y)
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (* (/ (sqrt (- (* (+ x 4) (/ y z)) (* y x))) y) (/ (sqrt (- (* (+ 4 x) (/ y z)) (* y x))) (/ y z)))))
* [enter]simplify:  Simplifying (/ (sqrt (- (* (+ 4 x) (/ y z)) (* y x))) (/ y z))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (42 enodes)
* * [misc]simplify:  iters left: 3 (81 enodes)
* * [misc]simplify:  iters left: 2 (115 enodes)
* * [misc]simplify:  iters left: 1 (128 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- (* (+ x 4) (/ y z)) (* y x))) (/ y z))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (* (/ (sqrt (- (* (+ 4 x) (/ y z)) (* y x))) y) (/ (sqrt (- (* (+ x 4) (/ y z)) (* y x))) (/ y z)))))
* * * * [misc]progress:  [ 13 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (/ 1 y) (/ (- (* (+ 4 x) (/ y z)) (* y x)) (/ y z)))))>
* [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 1) to (λ (x y z) (fabs (* (/ 1 y) (/ (- (* (+ 4 x) (/ y z)) (* y x)) (/ y z)))))
* [enter]simplify:  Simplifying (/ (- (* (+ 4 x) (/ y z)) (* y x)) (/ y z))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (61 enodes)
* * [misc]simplify:  iters left: 3 (145 enodes)
* * [misc]simplify:  iters left: 2 (332 enodes)
* [exit]simplify:  Simplified to (- (+ x 4) (* x z))
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (* (/ 1 y) (- (+ x 4) (* x z)))))
* * * * [misc]progress:  [ 14 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (* 1 (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z))))))>
* * * * [misc]progress:  [ 15 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (- (* (+ 4 x) (/ y z)) (* y x)) (/ 1 (* y (/ y z))))))>
* * * * [misc]progress:  [ 16 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ 1 (/ (* y (/ y z)) (- (* (+ 4 x) (/ y z)) (* y x))))))>
* * * * [misc]progress:  [ 17 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (/ (- (* (+ 4 x) (/ y z)) (* y x)) y) (/ y z))))>
* [enter]simplify:  Simplifying (/ y z)
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (/ y z)
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (/ (/ (- (* (+ 4 x) (/ y z)) (* y x)) y) (/ y z))))
* * * * [misc]progress:  [ 18 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (* (cbrt (- (* (+ 4 x) (/ y z)) (* y x))) (cbrt (- (* (+ 4 x) (/ y z)) (* y x)))) (/ (* y (/ y z)) (cbrt (- (* (+ 4 x) (/ y z)) (* y x)))))))>
* [enter]simplify:  Simplifying (* (cbrt (- (* (+ 4 x) (/ y z)) (* y x))) (cbrt (- (* (+ 4 x) (/ y z)) (* y x))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (37 enodes)
* * [misc]simplify:  iters left: 3 (74 enodes)
* * [misc]simplify:  iters left: 2 (108 enodes)
* * [misc]simplify:  iters left: 1 (121 enodes)
* [exit]simplify:  Simplified to (* (cbrt (- (* (+ x 4) (/ y z)) (* y x))) (cbrt (- (* (+ x 4) (/ y z)) (* y x))))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (* (cbrt (- (* (+ x 4) (/ y z)) (* y x))) (cbrt (- (* (+ x 4) (/ y z)) (* y x)))) (/ (* y (/ y z)) (cbrt (- (* (+ 4 x) (/ y z)) (* y x)))))))
* * * * [misc]progress:  [ 19 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (sqrt (- (* (+ 4 x) (/ y z)) (* y x))) (/ (* y (/ y z)) (sqrt (- (* (+ 4 x) (/ y z)) (* y x)))))))>
* [enter]simplify:  Simplifying (sqrt (- (* (+ 4 x) (/ y z)) (* y x)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (36 enodes)
* * [misc]simplify:  iters left: 3 (73 enodes)
* * [misc]simplify:  iters left: 2 (108 enodes)
* * [misc]simplify:  iters left: 1 (121 enodes)
* [exit]simplify:  Simplified to (sqrt (- (* (+ x 4) (/ y z)) (* y x)))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (sqrt (- (* (+ x 4) (/ y z)) (* y x))) (/ (* y (/ y z)) (sqrt (- (* (+ 4 x) (/ y z)) (* y x)))))))
* * * * [misc]progress:  [ 20 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ 1 (/ (* y (/ y z)) (- (* (+ 4 x) (/ y z)) (* y x))))))>
* * * * [misc]progress:  [ 21 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (* (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y y)) z)))>
* * * * [misc]progress:  [ 22 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (pow (* (+ 4 x) (/ y z)) 3) (pow (* y x) 3)) (* (* y (/ y z)) (+ (* (* (+ 4 x) (/ y z)) (* (+ 4 x) (/ y z))) (+ (* (* y x) (* y x)) (* (* (+ 4 x) (/ y z)) (* y x))))))))>
* [enter]simplify:  Simplifying (- (pow (* (+ 4 x) (/ y z)) 3) (pow (* y x) 3))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (31 enodes)
* * [misc]simplify:  iters left: 4 (112 enodes)
* * [misc]simplify:  iters left: 3 (480 enodes)
* [exit]simplify:  Simplified to (+ (pow (* (+ x 4) (/ y z)) 3) (* (* (* y x) (* y x)) (- (* y x))))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (+ (pow (* (+ x 4) (/ y z)) 3) (* (* (* y x) (* y x)) (- (* y x)))) (* (* y (/ y z)) (+ (* (* (+ 4 x) (/ y z)) (* (+ 4 x) (/ y z))) (+ (* (* y x) (* y x)) (* (* (+ 4 x) (/ y z)) (* y x))))))))
* * * * [misc]progress:  [ 23 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (* (+ 4 x) (/ y z)) (* (+ 4 x) (/ y z))) (* (* y x) (* y x))) (* (* y (/ y z)) (+ (* (+ 4 x) (/ y z)) (* y x))))))>
* [enter]simplify:  Simplifying (- (* (* (+ 4 x) (/ y z)) (* (+ 4 x) (/ y z))) (* (* y x) (* y x)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (29 enodes)
* * [misc]simplify:  iters left: 4 (90 enodes)
* * [misc]simplify:  iters left: 3 (377 enodes)
* [exit]simplify:  Simplified to (- (* (* (+ x 4) (/ y z)) (* (+ x 4) (/ y z))) (* (* y x) (* y x)))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (- (* (* (+ x 4) (/ y z)) (* (+ x 4) (/ y z))) (* (* y x) (* y x))) (* (* y (/ y z)) (+ (* (+ 4 x) (/ y z)) (* y x))))))
* * * * [misc]progress:  [ 24 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (log (/ (exp (* (+ 4 x) (/ y z))) (exp (* y x)))) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (/ (exp (* (+ 4 x) (/ y z))) (exp (* y x)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (86 enodes)
* * [misc]simplify:  iters left: 2 (152 enodes)
* * [misc]simplify:  iters left: 1 (255 enodes)
* [exit]simplify:  Simplified to (exp (- (* (+ x 4) (/ y z)) (* y x)))
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (/ (log (exp (- (* (+ x 4) (/ y z)) (* y x)))) (* y (/ y z)))))
* * * * [misc]progress:  [ 25 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (pow (- (* (+ 4 x) (/ y z)) (* y x)) 1) (* y (/ y z)))))>
* * * * [misc]progress:  [ 26 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (exp (log (- (* (+ 4 x) (/ y z)) (* y x)))) (* y (/ y z)))))>
* * * * [misc]progress:  [ 27 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (log (exp (- (* (+ 4 x) (/ y z)) (* y x)))) (* y (/ y z)))))>
* * * * [misc]progress:  [ 28 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (* (* (cbrt (- (* (+ 4 x) (/ y z)) (* y x))) (cbrt (- (* (+ 4 x) (/ y z)) (* y x)))) (cbrt (- (* (+ 4 x) (/ y z)) (* y x)))) (* y (/ y z)))))>
* * * * [misc]progress:  [ 29 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (cbrt (* (* (- (* (+ 4 x) (/ y z)) (* y x)) (- (* (+ 4 x) (/ y z)) (* y x))) (- (* (+ 4 x) (/ y z)) (* y x)))) (* y (/ y z)))))>
* * * * [misc]progress:  [ 30 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (* (sqrt (- (* (+ 4 x) (/ y z)) (* y x))) (sqrt (- (* (+ 4 x) (/ y z)) (* y x)))) (* y (/ y z)))))>
* * * * [misc]progress:  [ 31 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (/ (- (pow (* (+ 4 x) (/ y z)) 3) (pow (* y x) 3)) (+ (* (* (+ 4 x) (/ y z)) (* (+ 4 x) (/ y z))) (+ (* (* y x) (* y x)) (* (* (+ 4 x) (/ y z)) (* y x))))) (* y (/ y z)))))>
* * * * [misc]progress:  [ 32 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (+ (* (+ 4 x) (/ y z)) (- (* y x))) (* y (/ y z)))))>
* * * * [misc]progress:  [ 33 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (* 1 (- (* (+ 4 x) (/ y z)) (* y x))) (* y (/ y z)))))>
* * * * [misc]progress:  [ 34 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (/ (- (* (* (+ 4 x) (/ y z)) (* (+ 4 x) (/ y z))) (* (* y x) (* y x))) (+ (* (+ 4 x) (/ y z)) (* y x))) (* y (/ y z)))))>
* * * * [misc]progress:  [ 35 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (+ (* (+ 4 x) (/ y z)) (- (* y x))) (* y (/ y z)))))>
* * * * [misc]progress:  [ 36 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (pow (* y (/ y z)) 1))))>
* * * * [misc]progress:  [ 37 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (exp (log (* y (/ y z)))))))>
* * * * [misc]progress:  [ 38 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (log (exp (* y (/ y z)))))))>
* * * * [misc]progress:  [ 39 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* (* (cbrt (* y (/ y z))) (cbrt (* y (/ y z)))) (cbrt (* y (/ y z)))))))>
* * * * [misc]progress:  [ 40 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (cbrt (* (* (* y (/ y z)) (* y (/ y z))) (* y (/ y z)))))))>
* * * * [misc]progress:  [ 41 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* (sqrt (* y (/ y z))) (sqrt (* y (/ y z)))))))>
* * * * [misc]progress:  [ 42 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* 1 (* y (/ y z))))))>
* * * * [misc]progress:  [ 43 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* (* y (* (cbrt (/ y z)) (cbrt (/ y z)))) (cbrt (/ y z))))))>
* [enter]simplify:  Simplifying (cbrt (/ y z))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (cbrt (/ y z))
* [misc]simplify:  Simplified (2 1 2 2) to (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* (* y (* (cbrt (/ y z)) (cbrt (/ y z)))) (cbrt (/ y z))))))
* * * * [misc]progress:  [ 44 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* (* y (sqrt (/ y z))) (sqrt (/ y z))))))>
* [enter]simplify:  Simplifying (sqrt (/ y z))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (sqrt (/ y z))
* [misc]simplify:  Simplified (2 1 2 2) to (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* (* y (sqrt (/ y z))) (sqrt (/ y z))))))
* * * * [misc]progress:  [ 45 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* (* y 1) (/ y z)))))>
* [enter]simplify:  Simplifying (/ y z)
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (/ y z)
* [misc]simplify:  Simplified (2 1 2 2) to (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* (* y 1) (/ y z)))))
* * * * [misc]progress:  [ 46 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* (* y y) (/ 1 z)))))>
* [enter]simplify:  Simplifying (/ 1 z)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ 1 z)
* [misc]simplify:  Simplified (2 1 2 2) to (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* (* y y) (/ 1 z)))))
* * * * [misc]progress:  [ 47 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (/ (* y y) z))))>
* * * * [misc]progress:  [ 48 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* (/ y z) y))))>
* * * * [misc]progress:  [ 49 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (pow (* (+ 4 x) (/ y z)) 1) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (* (+ 4 x) (/ y z))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (23 enodes)
* * [misc]simplify:  iters left: 1 (37 enodes)
* [exit]simplify:  Simplified to (* (+ x 4) (/ y z))
* [misc]simplify:  Simplified (2 1 1 1 1) to (λ (x y z) (fabs (/ (- (pow (* (+ x 4) (/ y z)) 1) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 50 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (pow (* (+ 4 x) (/ y z)) 1) (* y x)) (* y (/ y z)))))>
* * * * [misc]progress:  [ 51 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (exp (+ (log (+ 4 x)) (log (/ y z)))) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (+ (log (+ 4 x)) (log (/ y z)))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (29 enodes)
* * [misc]simplify:  iters left: 1 (39 enodes)
* [exit]simplify:  Simplified to (+ (log (+ x 4)) (log (/ y z)))
* [misc]simplify:  Simplified (2 1 1 1 1) to (λ (x y z) (fabs (/ (- (exp (+ (log (+ x 4)) (log (/ y z)))) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 52 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (exp (log (* (+ 4 x) (/ y z)))) (* y x)) (* y (/ y z)))))>
* * * * [misc]progress:  [ 53 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (log (exp (* (+ 4 x) (/ y z)))) (* y x)) (* y (/ y z)))))>
* * * * [misc]progress:  [ 54 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (cbrt (* (* (* (+ 4 x) (+ 4 x)) (+ 4 x)) (* (* (/ y z) (/ y z)) (/ y z)))) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (* (* (* (+ 4 x) (+ 4 x)) (+ 4 x)) (* (* (/ y z) (/ y z)) (/ y z)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (37 enodes)
* * [misc]simplify:  iters left: 4 (154 enodes)
* [exit]simplify:  Simplified to (* (pow (+ x 4) 3) (pow (/ y z) 3))
* [misc]simplify:  Simplified (2 1 1 1 1) to (λ (x y z) (fabs (/ (- (cbrt (* (pow (+ x 4) 3) (pow (/ y z) 3))) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 55 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (* (cbrt (* (+ 4 x) (/ y z))) (cbrt (* (+ 4 x) (/ y z)))) (cbrt (* (+ 4 x) (/ y z)))) (* y x)) (* y (/ y z)))))>
* * * * [misc]progress:  [ 56 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (cbrt (* (* (* (+ 4 x) (/ y z)) (* (+ 4 x) (/ y z))) (* (+ 4 x) (/ y z)))) (* y x)) (* y (/ y z)))))>
* * * * [misc]progress:  [ 57 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (sqrt (* (+ 4 x) (/ y z))) (sqrt (* (+ 4 x) (/ y z)))) (* y x)) (* y (/ y z)))))>
* * * * [misc]progress:  [ 58 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (/ (* (+ (pow 4 3) (pow x 3)) y) (* (+ (* 4 4) (- (* x x) (* 4 x))) z)) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (* (+ (pow 4 3) (pow x 3)) y)
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (40 enodes)
* * [misc]simplify:  iters left: 1 (46 enodes)
* [exit]simplify:  Simplified to (+ (* (* 4 y) (* 4 4)) (* (* x x) (* x y)))
* [misc]simplify:  Simplified (2 1 1 1 1) to (λ (x y z) (fabs (/ (- (/ (+ (* (* 4 y) (* 4 4)) (* (* x x) (* x y))) (* (+ (* 4 4) (- (* x x) (* 4 x))) z)) (* y x)) (* y (/ y z)))))
* [enter]simplify:  Simplifying (* (+ (* 4 4) (- (* x x) (* 4 x))) z)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (77 enodes)
* * [misc]simplify:  iters left: 2 (138 enodes)
* * [misc]simplify:  iters left: 1 (199 enodes)
* [exit]simplify:  Simplified to (+ (* (* z 4) (- 4 x)) (* (* x x) z))
* [misc]simplify:  Simplified (2 1 1 1 2) to (λ (x y z) (fabs (/ (- (/ (* (+ (pow 4 3) (pow x 3)) y) (+ (* (* z 4) (- 4 x)) (* (* x x) z))) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 59 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (/ (* (- (* 4 4) (* x x)) y) (* (- 4 x) z)) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (* (- (* 4 4) (* x x)) y)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (78 enodes)
* * [misc]simplify:  iters left: 2 (208 enodes)
* * [misc]simplify:  iters left: 1 (486 enodes)
* [exit]simplify:  Simplified to (* (- 4 x) (* (+ 4 x) y))
* [misc]simplify:  Simplified (2 1 1 1 1) to (λ (x y z) (fabs (/ (- (/ (* (- 4 x) (* (+ 4 x) y)) (* (- 4 x) z)) (* y x)) (* y (/ y z)))))
* [enter]simplify:  Simplifying (* (- 4 x) z)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* * [misc]simplify:  iters left: 1 (21 enodes)
* [exit]simplify:  Simplified to (* (- 4 x) z)
* [misc]simplify:  Simplified (2 1 1 1 2) to (λ (x y z) (fabs (/ (- (/ (* (- (* 4 4) (* x x)) y) (* (- 4 x) z)) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 60 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* 1 (* (+ 4 x) (/ y z))) (* y x)) (* y (/ y z)))))>
* * * * [misc]progress:  [ 61 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (* (+ 4 x) (* (cbrt (/ y z)) (cbrt (/ y z)))) (cbrt (/ y z))) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (cbrt (/ y z))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (cbrt (/ y z))
* [misc]simplify:  Simplified (2 1 1 1 2) to (λ (x y z) (fabs (/ (- (* (* (+ 4 x) (* (cbrt (/ y z)) (cbrt (/ y z)))) (cbrt (/ y z))) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 62 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (* (+ 4 x) (sqrt (/ y z))) (sqrt (/ y z))) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (sqrt (/ y z))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (sqrt (/ y z))
* [misc]simplify:  Simplified (2 1 1 1 2) to (λ (x y z) (fabs (/ (- (* (* (+ 4 x) (sqrt (/ y z))) (sqrt (/ y z))) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 63 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (* (+ 4 x) 1) (/ y z)) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (/ y z)
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (/ y z)
* [misc]simplify:  Simplified (2 1 1 1 2) to (λ (x y z) (fabs (/ (- (* (* (+ 4 x) 1) (/ y z)) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 64 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (* (+ 4 x) y) (/ 1 z)) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (/ 1 z)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ 1 z)
* [misc]simplify:  Simplified (2 1 1 1 2) to (λ (x y z) (fabs (/ (- (* (* (+ 4 x) y) (/ 1 z)) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 65 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (* (cbrt (+ 4 x)) (cbrt (+ 4 x))) (* (cbrt (+ 4 x)) (/ y z))) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (* (cbrt (+ 4 x)) (cbrt (+ 4 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (6 enodes)
* [exit]simplify:  Simplified to (* (cbrt (+ x 4)) (cbrt (+ x 4)))
* [misc]simplify:  Simplified (2 1 1 1 1) to (λ (x y z) (fabs (/ (- (* (* (cbrt (+ x 4)) (cbrt (+ x 4))) (* (cbrt (+ 4 x)) (/ y z))) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 66 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (sqrt (+ 4 x)) (* (sqrt (+ 4 x)) (/ y z))) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (sqrt (+ 4 x))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (5 enodes)
* [exit]simplify:  Simplified to (sqrt (+ x 4))
* [misc]simplify:  Simplified (2 1 1 1 1) to (λ (x y z) (fabs (/ (- (* (sqrt (+ x 4)) (* (sqrt (+ 4 x)) (/ y z))) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 67 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* 1 (* (+ 4 x) (/ y z))) (* y x)) (* y (/ y z)))))>
* * * * [misc]progress:  [ 68 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (/ (* (+ 4 x) y) z) (* y x)) (* y (/ y z)))))>
* * * * [misc]progress:  [ 69 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (/ (* (+ (pow 4 3) (pow x 3)) (/ y z)) (+ (* 4 4) (- (* x x) (* 4 x)))) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (* (+ (pow 4 3) (pow x 3)) (/ y z))
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (20 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (62 enodes)
* * [misc]simplify:  iters left: 1 (101 enodes)
* [exit]simplify:  Simplified to (* (/ y z) (+ (pow 4 3) (pow x 3)))
* [misc]simplify:  Simplified (2 1 1 1 1) to (λ (x y z) (fabs (/ (- (/ (* (/ y z) (+ (pow 4 3) (pow x 3))) (+ (* 4 4) (- (* x x) (* 4 x)))) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 70 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (/ (* (- (* 4 4) (* x x)) (/ y z)) (- 4 x)) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (* (- (* 4 4) (* x x)) (/ y z))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (113 enodes)
* * [misc]simplify:  iters left: 2 (357 enodes)
* [exit]simplify:  Simplified to (* (/ (- 4 x) (/ z y)) (+ 4 x))
* [misc]simplify:  Simplified (2 1 1 1 1) to (λ (x y z) (fabs (/ (- (/ (* (/ (- 4 x) (/ z y)) (+ 4 x)) (- 4 x)) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 71 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (/ y z) (+ 4 x)) (* y x)) (* y (/ y z)))))>
* * * * [misc]progress:  [ 72 / 83 ] 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 (60 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (80 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))))
* * * * [misc]progress:  [ 73 / 83 ] 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 (60 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (80 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))))
* * * * [misc]progress:  [ 74 / 83 ] 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 (60 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (80 enodes)
* [exit]simplify:  Simplified to (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))
* [misc]simplify:  Simplified (2 1) to (λ (x y z) (fabs (- (+ (/ x y) (/ 4 y)) (/ z (/ y x)))))
* * * * [misc]progress:  [ 75 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (+ (/ (* x y) z) (* 4 (/ y z))) (* x y)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (- (+ (/ (* x y) z) (* 4 (/ y z))) (* x y))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (56 enodes)
* * [misc]simplify:  iters left: 2 (76 enodes)
* * [misc]simplify:  iters left: 1 (139 enodes)
* [exit]simplify:  Simplified to (- (* (/ y z) (+ 4 x)) (* x y))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (- (* (/ y z) (+ 4 x)) (* x y)) (* y (/ y z)))))
* * * * [misc]progress:  [ 76 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (+ (/ (* x y) z) (* 4 (/ y z))) (* x y)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (- (+ (/ (* x y) z) (* 4 (/ y z))) (* x y))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (56 enodes)
* * [misc]simplify:  iters left: 2 (76 enodes)
* * [misc]simplify:  iters left: 1 (139 enodes)
* [exit]simplify:  Simplified to (- (* (/ y z) (+ 4 x)) (* x y))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (- (* (/ y z) (+ 4 x)) (* x y)) (* y (/ y z)))))
* * * * [misc]progress:  [ 77 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (+ (/ (* x y) z) (* 4 (/ y z))) (* x y)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (- (+ (/ (* x y) z) (* 4 (/ y z))) (* x y))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (56 enodes)
* * [misc]simplify:  iters left: 2 (76 enodes)
* * [misc]simplify:  iters left: 1 (139 enodes)
* [exit]simplify:  Simplified to (- (* (/ y z) (+ 4 x)) (* x y))
* [misc]simplify:  Simplified (2 1 1) to (λ (x y z) (fabs (/ (- (* (/ y z) (+ 4 x)) (* x y)) (* y (/ y z)))))
* * * * [misc]progress:  [ 78 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (/ (pow y 2) z))))>
* [enter]simplify:  Simplifying (/ (pow y 2) z)
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (8 enodes)
* [exit]simplify:  Simplified to (/ (* y y) z)
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (/ (* y y) z))))
* * * * [misc]progress:  [ 79 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (/ (pow y 2) z))))>
* [enter]simplify:  Simplifying (/ (pow y 2) z)
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (8 enodes)
* [exit]simplify:  Simplified to (/ (* y y) z)
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (/ (* y y) z))))
* * * * [misc]progress:  [ 80 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (/ (pow y 2) z))))>
* [enter]simplify:  Simplifying (/ (pow y 2) z)
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (8 enodes)
* [exit]simplify:  Simplified to (/ (* y y) z)
* [misc]simplify:  Simplified (2 1 2) to (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (/ (* y y) z))))
* * * * [misc]progress:  [ 81 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (+ (/ (* x y) z) (* 4 (/ y z))) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (+ (/ (* x y) z) (* 4 (/ y z)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* * [misc]simplify:  iters left: 2 (33 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (* (/ y z) (+ 4 x))
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (/ (- (* (/ y z) (+ 4 x)) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 82 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (+ (/ (* x y) z) (* 4 (/ y z))) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (+ (/ (* x y) z) (* 4 (/ y z)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* * [misc]simplify:  iters left: 2 (33 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (* (/ y z) (+ 4 x))
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (/ (- (* (/ y z) (+ 4 x)) (* y x)) (* y (/ y z)))))
* * * * [misc]progress:  [ 83 / 83 ] simplifiying candidate #<alt (λ (x y z) (fabs (/ (- (+ (/ (* x y) z) (* 4 (/ y z))) (* y x)) (* y (/ y z)))))>
* [enter]simplify:  Simplifying (+ (/ (* x y) z) (* 4 (/ y z)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* * [misc]simplify:  iters left: 2 (33 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (* (/ y z) (+ 4 x))
* [misc]simplify:  Simplified (2 1 1 1) to (λ (x y z) (fabs (/ (- (* (/ y z) (+ 4 x)) (* y x)) (* y (/ y z)))))
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime:  Finding splitpoints for: (#<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))> #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ x (/ y z)))))> #<alt (λ (x y z) (fabs (/ (- (pow (/ (+ 4 x) y) 3) (pow (/ x (/ y z)) 3)) (+ (* (/ (+ 4 x) y) (/ (+ 4 x) y)) (+ (* (/ x (/ y z)) (/ x (/ y z))) (* (/ (+ 4 x) y) (/ x (/ y z))))))))> #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* (/ x y) z))))> #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))>)
* * * [misc]regime-changes:  Trying 5 branch expressions: (z y x (- (/ (+ x 4) y) (* (/ x y) z)) (fabs (- (/ (+ x 4) y) (* (/ x y) z))))
* * * * [misc]regimes:  Trying to branch on z from (#<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))> #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ x (/ y z)))))> #<alt (λ (x y z) (fabs (/ (- (pow (/ (+ 4 x) y) 3) (pow (/ x (/ y z)) 3)) (+ (* (/ (+ 4 x) y) (/ (+ 4 x) y)) (+ (* (/ x (/ y z)) (/ x (/ y z))) (* (/ (+ 4 x) y) (/ x (/ y z))))))))> #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* (/ x y) z))))> #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))>)
* * * * [misc]regimes:  Trying to branch on y from (#<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))> #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ x (/ y z)))))> #<alt (λ (x y z) (fabs (/ (- (pow (/ (+ 4 x) y) 3) (pow (/ x (/ y z)) 3)) (+ (* (/ (+ 4 x) y) (/ (+ 4 x) y)) (+ (* (/ x (/ y z)) (/ x (/ y z))) (* (/ (+ 4 x) y) (/ x (/ y z))))))))> #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* (/ x y) z))))> #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))>)
* * * * [misc]regimes:  Trying to branch on x from (#<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))> #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ x (/ y z)))))> #<alt (λ (x y z) (fabs (/ (- (pow (/ (+ 4 x) y) 3) (pow (/ x (/ y z)) 3)) (+ (* (/ (+ 4 x) y) (/ (+ 4 x) y)) (+ (* (/ x (/ y z)) (/ x (/ y z))) (* (/ (+ 4 x) y) (/ x (/ y z))))))))> #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* (/ x y) z))))> #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))>)
* * * * [misc]regimes:  Trying to branch on (- (/ (+ x 4) y) (* (/ x y) z)) from (#<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))> #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ x (/ y z)))))> #<alt (λ (x y z) (fabs (/ (- (pow (/ (+ 4 x) y) 3) (pow (/ x (/ y z)) 3)) (+ (* (/ (+ 4 x) y) (/ (+ 4 x) y)) (+ (* (/ x (/ y z)) (/ x (/ y z))) (* (/ (+ 4 x) y) (/ x (/ y z))))))))> #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* (/ x y) z))))> #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))>)
* * * * [misc]regimes:  Trying to branch on (fabs (- (/ (+ x 4) y) (* (/ x y) z))) from (#<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))> #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ x (/ y z)))))> #<alt (λ (x y z) (fabs (/ (- (pow (/ (+ 4 x) y) 3) (pow (/ x (/ y z)) 3)) (+ (* (/ (+ 4 x) y) (/ (+ 4 x) y)) (+ (* (/ x (/ y z)) (/ x (/ y z))) (* (/ (+ 4 x) y) (/ x (/ y z))))))))> #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* (/ x y) z))))> #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))>)
* * * [misc]regime:  Found split indices: #<option (#s(si 1 44) #s(si 4 201) #s(si 1 256))>
* [misc]binary-search:  Improving bounds with binary search for x and (#<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))> #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ x (/ y z)))))> #<alt (λ (x y z) (fabs (/ (- (pow (/ (+ 4 x) y) 3) (pow (/ x (/ y z)) 3)) (+ (* (/ (+ 4 x) y) (/ (+ 4 x) y)) (+ (* (/ x (/ y z)) (/ x (/ y z))) (* (/ (+ 4 x) y) (/ x (/ y z))))))))> #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* (/ x y) z))))> #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))>)
* * * * [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 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 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 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 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 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 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 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
* * * * [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
* * * * [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 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 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 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
* * * * [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 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
* * * * [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 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
* * * * [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 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 18 points with exact outputs
* [misc]regimes:  Found splitpoints: (#s(sp 1 x -7.469085859863544e+47) #s(sp 4 x 2.63842522625205e-23) #s(sp 1 x +nan.0)) , with alts (#<alt (λ (x y z) (fabs (/ (- (* (+ 4 x) (/ y z)) (* y x)) (* y (/ y z)))))> #<alt (λ (x y z) (fabs (- (/ (+ 4 x) y) (/ x (/ y z)))))> #<alt (λ (x y z) (fabs (/ (- (pow (/ (+ 4 x) y) 3) (pow (/ x (/ y z)) 3)) (+ (* (/ (+ 4 x) y) (/ (+ 4 x) y)) (+ (* (/ x (/ y z)) (/ x (/ y z))) (* (/ (+ 4 x) y) (/ x (/ y z))))))))> #<alt (λ (x y z) (fabs (- (/ (+ x 4) y) (* (/ x y) z))))> #<alt (λ (x y z) (fabs (/ (- (+ x 4) (* x z)) y)))>)
* [enter]simplify:  Simplifying (if (<= x -7.469085859863544e+47) (fabs (- (/ (+ 4 x) y) (/ x (/ y z)))) (if (<= x 2.63842522625205e-23) (fabs (/ (- (+ x 4) (* x z)) y)) (fabs (- (/ (+ 4 x) y) (/ x (/ y z))))))
* * [misc]simplify:  iters left: 6 (21 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* [exit]simplify:  Simplified to (if (or (<= x -7.469085859863544e+47) (not (<= x 2.63842522625205e-23))) (fabs (- (/ (+ 4 x) y) (/ x (/ y z)))) (fabs (/ (- (+ 4 x) (* z x)) y)))
* * * * [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:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 1627 additional inputs, on iter 1 have 6373 / 8000
* * * * [misc]points:  Computing exacts on every 101 of 1627 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 50 of 1627 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 25 of 1627 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 12 of 1627 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 6 of 1627 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 3 of 1627 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 1627 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 324 additional inputs, on iter 2 have 7676 / 8000
* * * * [misc]points:  Computing exacts on every 20 of 324 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 10 of 324 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 5 of 324 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 2 of 324 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 324 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 65 additional inputs, on iter 3 have 7935 / 8000
* * * * [misc]points:  Computing exacts on every 4 of 65 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 2 of 65 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 65 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 19 additional inputs, on iter 4 have 7981 / 8000
* * * * [misc]points:  Computing exacts for 19 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 8 additional inputs, on iter 5 have 7992 / 8000
* * * * [misc]points:  Computing exacts for 8 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 6 have 7999 / 8000
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 8003 points with exact outputs