* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * [misc]progress:  [2/2] Setting up program.
* [enter]simplify:  Simplifying (* (+ a (+ b (+ c d))) 2)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (63 enodes)
* * [misc]simplify:  iters left: 2 (131 enodes)
* * [misc]simplify:  iters left: 1 (199 enodes)
* [exit]simplify:  Simplified to (* (+ (+ c b) (+ d a)) 2)
* [misc]progress:  [Phase 2 of 3] Improving.
* * [misc]progress:  iteration 1 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-event (λ (a b c d) (* (+ a (+ b (+ c d))) 2))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (+ a (+ b (+ c d))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ a (+ b (+ c d))) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of (+ c d) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ a (+ b (+ c d))) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of (+ c d) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ a (+ b (+ c d))) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ c d) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ a (+ b (+ c d))) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of (+ c d) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ a (+ b (+ c d))) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of (+ c d) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ c d) into (+ c d)
* [misc]backup-simplify:  Simplify (+ b (+ c d)) into (+ b (+ c d))
* [misc]backup-simplify:  Simplify (+ 0 (+ b (+ c d))) into (+ b (+ c d))
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ c d) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ c d) into (+ c d)
* [misc]backup-simplify:  Simplify (+ 0 (+ c d)) into (+ c d)
* [misc]taylor:  Taking taylor expansion of (+ c d) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ 0 d) into d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in b
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* c (* 1 1)))) (+ (* 1 (* 1 (* 1 (* b 1)))) (* 1 (* 1 (* 1 (* 1 a)))))) into (+ b (+ c a))
* [misc]approximate:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (/ 1 b) (+ (/ 1 c) (/ 1 d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in b
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 c) (/ 1 d)) into (+ (/ 1 d) (/ 1 c))
* [misc]backup-simplify:  Simplify (+ (/ 1 b) (+ (/ 1 d) (/ 1 c))) into (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))
* [misc]backup-simplify:  Simplify (+ 0 (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))) into (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 b) (/ 0 b)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 c)) into (+ (/ 1 d) (/ 1 c))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 b) (/ 0 b)) (* 0 (/ 0 b)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d) 0) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 b)) 1)))) (+ (* 1 (* 1 (* (/ 1 (/ 1 c)) (* 1 1)))) (* 1 (* (/ 1 (/ 1 d)) (* 1 (* 1 1)))))) into (+ b (+ c d))
* [misc]approximate:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in d
* [misc]taylor:  Taking taylor expansion of (- a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in d
* [misc]taylor:  Taking taylor expansion of (- b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in d
* [misc]taylor:  Taking taylor expansion of (- c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in d
* [misc]taylor:  Taking taylor expansion of (- d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in c
* [misc]taylor:  Taking taylor expansion of (- a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in c
* [misc]taylor:  Taking taylor expansion of (- b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in c
* [misc]taylor:  Taking taylor expansion of (- c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in c
* [misc]taylor:  Taking taylor expansion of (- d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in b
* [misc]taylor:  Taking taylor expansion of (- a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in b
* [misc]taylor:  Taking taylor expansion of (- b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in b
* [misc]taylor:  Taking taylor expansion of (- c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in b
* [misc]taylor:  Taking taylor expansion of (- d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in a
* [misc]taylor:  Taking taylor expansion of (- b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in a
* [misc]taylor:  Taking taylor expansion of (- c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in a
* [misc]taylor:  Taking taylor expansion of (- d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d))))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in a
* [misc]taylor:  Taking taylor expansion of (- b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in a
* [misc]taylor:  Taking taylor expansion of (- c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in a
* [misc]taylor:  Taking taylor expansion of (- d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]taylor:  Taking taylor expansion of -1 in b
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ -1 c) (/ -1 d)) into (- (+ (/ 1 d) (/ 1 c)))
* [misc]backup-simplify:  Simplify (+ (/ -1 b) (- (+ (/ 1 d) (/ 1 c)))) into (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))))
* [misc]backup-simplify:  Simplify (+ 0 (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))))) into (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in c
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in c
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 b) (/ 0 (- b))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 c)) into (+ (/ 1 d) (/ 1 c))
* [misc]backup-simplify:  Simplify (- (+ (/ 1 d) (/ 1 c))) into (- (+ (/ 1 d) (/ 1 c)))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (/ 1 c))) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 b) (/ 0 (- b))) (* 0 (/ 0 (- b))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))) (* 0 (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))) (* 0 (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d) 0) into (/ 1 d)
* [misc]backup-simplify:  Simplify (- (/ 1 d)) into (- (/ 1 d))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ (* -1 (* 1 (* 1 (* (/ 1 (/ 1 (- b))) 1)))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- c))) (* 1 1)))) (* -1 (* (/ 1 (/ 1 (- d))) (* 1 (* 1 1)))))) into (+ b (+ c d))
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2 1 2)
* [misc]approximate:  Taking taylor expansion of (+ b (+ c d)) in (b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of (+ c d) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of (+ c d) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ c d) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ c d) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ c d) into (+ c d)
* [misc]backup-simplify:  Simplify (+ 0 (+ c d)) into (+ c d)
* [misc]taylor:  Taking taylor expansion of (+ c d) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ 0 d) into d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* d (* 1 1))) (+ (* 1 (* 1 (* c 1))) (* 1 (* 1 (* 1 b))))) into (+ b (+ c d))
* [misc]approximate:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in (b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (+ (/ 1 c) (/ 1 d))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 c) (/ 1 d)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 c) (/ 1 d)) into (+ (/ 1 d) (/ 1 c))
* [misc]backup-simplify:  Simplify (+ 0 (+ (/ 1 d) (/ 1 c))) into (+ (/ 1 d) (/ 1 c))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d) 0) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (/ 1 (/ 1 b))))) (+ (* 1 (* 1 (* (/ 1 (/ 1 c)) 1))) (* 1 (* (/ 1 (/ 1 d)) (* 1 1))))) into (+ b (+ c d))
* [misc]approximate:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in (b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in d
* [misc]taylor:  Taking taylor expansion of (- b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in d
* [misc]taylor:  Taking taylor expansion of (- c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in d
* [misc]taylor:  Taking taylor expansion of (- d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in c
* [misc]taylor:  Taking taylor expansion of (- b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in c
* [misc]taylor:  Taking taylor expansion of (- c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in c
* [misc]taylor:  Taking taylor expansion of (- d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in b
* [misc]taylor:  Taking taylor expansion of (- b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in b
* [misc]taylor:  Taking taylor expansion of (- c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in b
* [misc]taylor:  Taking taylor expansion of (- d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (+ (/ 1 (- c)) (/ 1 (- d)))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in b
* [misc]taylor:  Taking taylor expansion of (- b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- c)) (/ 1 (- d))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in b
* [misc]taylor:  Taking taylor expansion of (- c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in b
* [misc]taylor:  Taking taylor expansion of (- d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]taylor:  Taking taylor expansion of -1 in c
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ -1 c) (/ -1 d)) into (- (+ (/ 1 d) (/ 1 c)))
* [misc]backup-simplify:  Simplify (+ 0 (- (+ (/ 1 d) (/ 1 c)))) into (- (+ (/ 1 d) (/ 1 c)))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (/ 1 c))) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d) 0) into (/ 1 d)
* [misc]backup-simplify:  Simplify (- (/ 1 d)) into (- (/ 1 d))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ (* -1 (* 1 (* 1 (/ 1 (/ 1 (- b)))))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- c))) 1))) (* -1 (* (/ 1 (/ 1 (- d))) (* 1 1))))) into (+ b (+ c d))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2 1)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 1 2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 32 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ b (+ c a)) 2))>
* [enter]simplify:  Simplifying (* (+ b (+ c a)) 2)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (68 enodes)
* * [misc]simplify:  iters left: 1 (79 enodes)
* [exit]simplify:  Simplified to (fma (+ b c) 2 (* 2 a))
* * * * [misc]progress:  [ 2 / 32 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ b (+ c d)) 2))>
* [enter]simplify:  Simplifying (* (+ b (+ c d)) 2)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (68 enodes)
* * [misc]simplify:  iters left: 1 (79 enodes)
* [exit]simplify:  Simplified to (fma (+ b c) 2 (* 2 d))
* * * * [misc]progress:  [ 3 / 32 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ b (+ c d)) 2))>
* [enter]simplify:  Simplifying (* (+ b (+ c d)) 2)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (68 enodes)
* * [misc]simplify:  iters left: 1 (79 enodes)
* [exit]simplify:  Simplified to (fma (+ b c) 2 (* 2 d))
* * * * [misc]progress:  [ 4 / 32 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ a (+ b (+ c d))) 2))>
* [enter]simplify:  Simplifying (* (+ a (+ b (+ c d))) 2)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (63 enodes)
* * [misc]simplify:  iters left: 2 (131 enodes)
* * [misc]simplify:  iters left: 1 (199 enodes)
* [exit]simplify:  Simplified to (* (+ (+ c b) (+ d a)) 2)
* * * * [misc]progress:  [ 5 / 32 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ a (+ b (+ c d))) 2))>
* [enter]simplify:  Simplifying (* (+ a (+ b (+ c d))) 2)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (63 enodes)
* * [misc]simplify:  iters left: 2 (131 enodes)
* * [misc]simplify:  iters left: 1 (199 enodes)
* [exit]simplify:  Simplified to (* (+ (+ c b) (+ d a)) 2)
* * * * [misc]progress:  [ 6 / 32 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ a (+ b (+ c d))) 2))>
* [enter]simplify:  Simplifying (* (+ a (+ b (+ c d))) 2)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (63 enodes)
* * [misc]simplify:  iters left: 2 (131 enodes)
* * [misc]simplify:  iters left: 1 (199 enodes)
* [exit]simplify:  Simplified to (* (+ (+ c b) (+ d a)) 2)
* * * * [misc]progress:  [ 7 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (+ a (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (expm1 (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (expm1 (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (expm1 (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 8 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (expm1 (log1p (+ a (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (log1p (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (log1p (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (log1p (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 9 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (pow (+ a (+ b (+ c d))) 1) 2))>
* * * * [misc]progress:  [ 10 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (exp (log (+ a (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (log (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (log (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (log (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 11 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log (exp (+ a (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (exp (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (54 enodes)
* * [misc]simplify:  iters left: 2 (98 enodes)
* * [misc]simplify:  iters left: 1 (118 enodes)
* [exit]simplify:  Simplified to (exp (+ (+ a b) (+ c d)))
* [exit]simplify:  Simplified to (exp (+ (+ a b) (+ c d)))
* * * * [misc]progress:  [ 12 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cube (cbrt (+ a (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (cbrt (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (cbrt (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 13 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (+ a (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (cube (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (119 enodes)
* [exit]simplify:  Simplified to (cube (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (cube (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 14 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (sqr (sqrt (+ a (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (sqrt (+ a (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (+ c d) (+ a b)))
* [exit]simplify:  Simplified to (sqrt (+ (+ c d) (+ a b)))
* * * * [misc]progress:  [ 15 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (* 1 (+ a (+ b (+ c d)))) 2))>
* * * * [misc]progress:  [ 16 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (- (pow a 3) (pow (+ b (+ c d)) 3)) (+ (sqr a) (- (sqr (+ b (+ c d))) (* a (+ b (+ c d)))))) 2))>
* [enter]simplify:  Simplifying (- (pow a 3) (pow (+ b (+ c d)) 3))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (158 enodes)
* * [misc]simplify:  iters left: 1 (369 enodes)
* [exit]simplify:  Simplified to (- (cube a) (cube (+ (+ c b) d)))
* [exit]simplify:  Simplified to (- (cube a) (cube (+ (+ c b) d)))
* [enter]simplify:  Simplifying (+ (sqr a) (- (sqr (+ b (+ c d))) (* a (+ b (+ c d)))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (62 enodes)
* * [misc]simplify:  iters left: 3 (146 enodes)
* * [misc]simplify:  iters left: 2 (328 enodes)
* [exit]simplify:  Simplified to (fma (+ (+ b c) d) (+ (+ d c) (- b a)) (sqr a))
* [exit]simplify:  Simplified to (fma (+ (+ b c) d) (+ (+ d c) (- b a)) (sqr a))
* * * * [misc]progress:  [ 17 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (- (sqr a) (sqr (+ b (+ c d)))) (- a (+ b (+ c d)))) 2))>
* [enter]simplify:  Simplifying (- (sqr a) (sqr (+ b (+ c d))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (137 enodes)
* * [misc]simplify:  iters left: 2 (344 enodes)
* [exit]simplify:  Simplified to (* (+ (+ d c) (+ a b)) (- (- a b) (+ d c)))
* [exit]simplify:  Simplified to (* (+ (+ d c) (+ a b)) (- (- a b) (+ d c)))
* [enter]simplify:  Simplifying (- a (+ b (+ c d)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (37 enodes)
* [exit]simplify:  Simplified to (- (- a d) (+ c b))
* [exit]simplify:  Simplified to (- (- a d) (+ c b))
* * * * [misc]progress:  [ 18 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ (+ a b) (+ c d)) 2))>
* [enter]simplify:  Simplifying (+ a b)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (+ a b)
* [exit]simplify:  Simplified to (+ a b)
* * * * [misc]progress:  [ 19 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ (+ b (+ c d)) a) 2))>
* * * * [misc]progress:  [ 20 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ a (log1p (expm1 (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (expm1 (+ b (+ c d)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (expm1 (+ (+ b d) c))
* [exit]simplify:  Simplified to (expm1 (+ (+ b d) c))
* * * * [misc]progress:  [ 21 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ a (expm1 (log1p (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (log1p (+ b (+ c d)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (log1p (+ (+ b d) c))
* [exit]simplify:  Simplified to (log1p (+ (+ b d) c))
* * * * [misc]progress:  [ 22 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ a (pow (+ b (+ c d)) 1)) 2))>
* * * * [misc]progress:  [ 23 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ a (exp (log (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (log (+ b (+ c d)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (log (+ (+ b d) c))
* [exit]simplify:  Simplified to (log (+ (+ b d) c))
* * * * [misc]progress:  [ 24 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ a (log (exp (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (exp (+ b (+ c d)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (31 enodes)
* * [misc]simplify:  iters left: 1 (38 enodes)
* [exit]simplify:  Simplified to (exp (+ (+ b c) d))
* [exit]simplify:  Simplified to (exp (+ (+ b c) d))
* * * * [misc]progress:  [ 25 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ a (cube (cbrt (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (cbrt (+ b (+ c d)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (+ b d) c))
* [exit]simplify:  Simplified to (cbrt (+ (+ b d) c))
* * * * [misc]progress:  [ 26 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ a (cbrt (cube (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (cube (+ b (+ c d)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* * [misc]simplify:  iters left: 2 (116 enodes)
* * [misc]simplify:  iters left: 1 (335 enodes)
* [exit]simplify:  Simplified to (cube (+ d (+ b c)))
* [exit]simplify:  Simplified to (cube (+ d (+ b c)))
* * * * [misc]progress:  [ 27 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ a (sqr (sqrt (+ b (+ c d))))) 2))>
* [enter]simplify:  Simplifying (sqrt (+ b (+ c d)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (+ b d) c))
* [exit]simplify:  Simplified to (sqrt (+ (+ b d) c))
* * * * [misc]progress:  [ 28 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ a (* 1 (+ b (+ c d)))) 2))>
* * * * [misc]progress:  [ 29 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ a (/ (- (pow b 3) (pow (+ c d) 3)) (+ (sqr b) (- (sqr (+ c d)) (* b (+ c d)))))) 2))>
* [enter]simplify:  Simplifying (- (pow b 3) (pow (+ c d) 3))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (15 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (67 enodes)
* [exit]simplify:  Simplified to (- (cube b) (cube (+ d c)))
* [exit]simplify:  Simplified to (- (cube b) (cube (+ d c)))
* [enter]simplify:  Simplifying (+ (sqr b) (- (sqr (+ c d)) (* b (+ c d))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (95 enodes)
* * [misc]simplify:  iters left: 2 (185 enodes)
* * [misc]simplify:  iters left: 1 (347 enodes)
* [exit]simplify:  Simplified to (fma (+ d (- c b)) (+ c d) (sqr b))
* [exit]simplify:  Simplified to (fma (+ d (- c b)) (+ c d) (sqr b))
* * * * [misc]progress:  [ 30 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ a (/ (- (sqr b) (sqr (+ c d))) (- b (+ c d)))) 2))>
* [enter]simplify:  Simplifying (- (sqr b) (sqr (+ c d)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (77 enodes)
* * [misc]simplify:  iters left: 1 (137 enodes)
* [exit]simplify:  Simplified to (- (sqr b) (* (+ c d) (+ c d)))
* [exit]simplify:  Simplified to (- (sqr b) (* (+ c d) (+ c d)))
* [enter]simplify:  Simplifying (- b (+ c d))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (- b (+ d c))
* [exit]simplify:  Simplified to (- b (+ d c))
* * * * [misc]progress:  [ 31 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ a (+ (+ b c) d)) 2))>
* [enter]simplify:  Simplifying (+ b c)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (+ b c)
* [exit]simplify:  Simplified to (+ b c)
* * * * [misc]progress:  [ 32 / 32 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ a (+ (+ c d) b)) 2))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (a b c d) (* (+ a (+ (+ b c) d)) 2))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (+ a (+ (+ b c) d)) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ a (+ (+ b c) d)) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) d) in d
* [misc]taylor:  Taking taylor expansion of (+ b c) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ a (+ (+ b c) d)) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) d) in c
* [misc]taylor:  Taking taylor expansion of (+ b c) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ a (+ (+ b c) d)) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) d) in b
* [misc]taylor:  Taking taylor expansion of (+ b c) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ a (+ (+ b c) d)) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) d) in a
* [misc]taylor:  Taking taylor expansion of (+ b c) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ a (+ (+ b c) d)) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) d) in a
* [misc]taylor:  Taking taylor expansion of (+ b c) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ b c) into (+ b c)
* [misc]backup-simplify:  Simplify (+ (+ b c) d) into (+ b (+ c d))
* [misc]backup-simplify:  Simplify (+ 0 (+ b (+ c d))) into (+ b (+ c d))
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ c d) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ c d) into (+ c d)
* [misc]backup-simplify:  Simplify (+ 0 (+ c d)) into (+ c d)
* [misc]taylor:  Taking taylor expansion of (+ c d) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ 0 d) into d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in b
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* c (* 1 1)))) (+ (* 1 (* 1 (* 1 (* b 1)))) (* 1 (* 1 (* 1 (* 1 a)))))) into (+ b (+ c a))
* [misc]approximate:  Taking taylor expansion of (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)) in d
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)) in a
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)) in a
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in b
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 b) (/ 1 c)) into (+ (/ 1 b) (/ 1 c))
* [misc]backup-simplify:  Simplify (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)) into (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))
* [misc]backup-simplify:  Simplify (+ 0 (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))) into (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 b) (/ 0 b)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 c)) into (+ (/ 1 d) (/ 1 c))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 b) (/ 0 b)) (* 0 (/ 0 b)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d) 0) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 b)) 1)))) (+ (* 1 (* 1 (* (/ 1 (/ 1 c)) (* 1 1)))) (* 1 (* (/ 1 (/ 1 d)) (* 1 (* 1 1)))))) into (+ b (+ c d))
* [misc]approximate:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in d
* [misc]taylor:  Taking taylor expansion of (- a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))) in d
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in d
* [misc]taylor:  Taking taylor expansion of (- b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in d
* [misc]taylor:  Taking taylor expansion of (- c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in d
* [misc]taylor:  Taking taylor expansion of (- d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in c
* [misc]taylor:  Taking taylor expansion of (- a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in c
* [misc]taylor:  Taking taylor expansion of (- b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in c
* [misc]taylor:  Taking taylor expansion of (- c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in c
* [misc]taylor:  Taking taylor expansion of (- d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in b
* [misc]taylor:  Taking taylor expansion of (- a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in b
* [misc]taylor:  Taking taylor expansion of (- b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in b
* [misc]taylor:  Taking taylor expansion of (- c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in b
* [misc]taylor:  Taking taylor expansion of (- d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))) in a
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in a
* [misc]taylor:  Taking taylor expansion of (- b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in a
* [misc]taylor:  Taking taylor expansion of (- c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in a
* [misc]taylor:  Taking taylor expansion of (- d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))) in a
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in a
* [misc]taylor:  Taking taylor expansion of (- b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in a
* [misc]taylor:  Taking taylor expansion of (- c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in a
* [misc]taylor:  Taking taylor expansion of (- d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]taylor:  Taking taylor expansion of -1 in b
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ -1 b) (/ -1 c)) into (- (+ (/ 1 b) (/ 1 c)))
* [misc]backup-simplify:  Simplify (+ (- (+ (/ 1 b) (/ 1 c))) (/ -1 d)) into (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))))
* [misc]backup-simplify:  Simplify (+ 0 (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))))) into (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in c
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in c
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 b) (/ 0 (- b))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 c)) into (+ (/ 1 d) (/ 1 c))
* [misc]backup-simplify:  Simplify (- (+ (/ 1 d) (/ 1 c))) into (- (+ (/ 1 d) (/ 1 c)))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (/ 1 c))) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 b) (/ 0 (- b))) (* 0 (/ 0 (- b))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))) (* 0 (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))) (* 0 (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d) 0) into (/ 1 d)
* [misc]backup-simplify:  Simplify (- (/ 1 d)) into (- (/ 1 d))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ (* -1 (* 1 (* 1 (* (/ 1 (/ 1 (- b))) 1)))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- c))) (* 1 1)))) (* -1 (* (/ 1 (/ 1 (- d))) (* 1 (* 1 1)))))) into (+ b (+ c d))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2 1)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 16 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ b (+ c a)) 2))>
* [enter]simplify:  Simplifying (* (+ b (+ c a)) 2)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (68 enodes)
* * [misc]simplify:  iters left: 1 (79 enodes)
* [exit]simplify:  Simplified to (fma (+ b c) 2 (* 2 a))
* * * * [misc]progress:  [ 2 / 16 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ b (+ c d)) 2))>
* [enter]simplify:  Simplifying (* (+ b (+ c d)) 2)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (68 enodes)
* * [misc]simplify:  iters left: 1 (79 enodes)
* [exit]simplify:  Simplified to (fma (+ b c) 2 (* 2 d))
* * * * [misc]progress:  [ 3 / 16 ] simplifiying candidate #<alt-event (λ (a b c d) (* (+ b (+ c d)) 2))>
* [enter]simplify:  Simplifying (* (+ b (+ c d)) 2)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (68 enodes)
* * [misc]simplify:  iters left: 1 (79 enodes)
* [exit]simplify:  Simplified to (fma (+ b c) 2 (* 2 d))
* * * * [misc]progress:  [ 4 / 16 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (+ a (+ (+ b c) d)))) 2))>
* [enter]simplify:  Simplifying (expm1 (+ a (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (expm1 (+ (+ d a) (+ c b)))
* [exit]simplify:  Simplified to (expm1 (+ (+ d a) (+ c b)))
* * * * [misc]progress:  [ 5 / 16 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (expm1 (log1p (+ a (+ (+ b c) d)))) 2))>
* [enter]simplify:  Simplifying (log1p (+ a (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (log1p (+ (+ d a) (+ c b)))
* [exit]simplify:  Simplified to (log1p (+ (+ d a) (+ c b)))
* * * * [misc]progress:  [ 6 / 16 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (pow (+ a (+ (+ b c) d)) 1) 2))>
* * * * [misc]progress:  [ 7 / 16 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (exp (log (+ a (+ (+ b c) d)))) 2))>
* [enter]simplify:  Simplifying (log (+ a (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (log (+ (+ d a) (+ c b)))
* [exit]simplify:  Simplified to (log (+ (+ d a) (+ c b)))
* * * * [misc]progress:  [ 8 / 16 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log (exp (+ a (+ (+ b c) d)))) 2))>
* [enter]simplify:  Simplifying (exp (+ a (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (55 enodes)
* * [misc]simplify:  iters left: 2 (90 enodes)
* * [misc]simplify:  iters left: 1 (103 enodes)
* [exit]simplify:  Simplified to (exp (+ (+ d c) (+ a b)))
* [exit]simplify:  Simplified to (exp (+ (+ d c) (+ a b)))
* * * * [misc]progress:  [ 9 / 16 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cube (cbrt (+ a (+ (+ b c) d)))) 2))>
* [enter]simplify:  Simplifying (cbrt (+ a (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (+ d a) (+ c b)))
* [exit]simplify:  Simplified to (cbrt (+ (+ d a) (+ c b)))
* * * * [misc]progress:  [ 10 / 16 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (+ a (+ (+ b c) d)))) 2))>
* [enter]simplify:  Simplifying (cube (+ a (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (147 enodes)
* [exit]simplify:  Simplified to (cube (+ (+ a d) (+ c b)))
* [exit]simplify:  Simplified to (cube (+ (+ a d) (+ c b)))
* * * * [misc]progress:  [ 11 / 16 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (sqr (sqrt (+ a (+ (+ b c) d)))) 2))>
* [enter]simplify:  Simplifying (sqrt (+ a (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (+ d a) (+ c b)))
* [exit]simplify:  Simplified to (sqrt (+ (+ d a) (+ c b)))
* * * * [misc]progress:  [ 12 / 16 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (* 1 (+ a (+ (+ b c) d))) 2))>
* * * * [misc]progress:  [ 13 / 16 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (- (pow a 3) (pow (+ (+ b c) d) 3)) (+ (sqr a) (- (sqr (+ (+ b c) d)) (* a (+ (+ b c) d))))) 2))>
* [enter]simplify:  Simplifying (- (pow a 3) (pow (+ (+ b c) d) 3))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (158 enodes)
* * [misc]simplify:  iters left: 1 (357 enodes)
* [exit]simplify:  Simplified to (- (cube a) (cube (+ (+ c d) b)))
* [exit]simplify:  Simplified to (- (cube a) (cube (+ (+ c d) b)))
* [enter]simplify:  Simplifying (+ (sqr a) (- (sqr (+ (+ b c) d)) (* a (+ (+ b c) d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (62 enodes)
* * [misc]simplify:  iters left: 3 (146 enodes)
* * [misc]simplify:  iters left: 2 (328 enodes)
* [exit]simplify:  Simplified to (fma (+ (+ d c) b) (+ (+ b d) (- c a)) (sqr a))
* [exit]simplify:  Simplified to (fma (+ (+ d c) b) (+ (+ b d) (- c a)) (sqr a))
* * * * [misc]progress:  [ 14 / 16 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (- (sqr a) (sqr (+ (+ b c) d))) (- a (+ (+ b c) d))) 2))>
* [enter]simplify:  Simplifying (- (sqr a) (sqr (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (137 enodes)
* * [misc]simplify:  iters left: 2 (344 enodes)
* [exit]simplify:  Simplified to (* (+ (+ a b) (+ d c)) (- (- a b) (+ d c)))
* [exit]simplify:  Simplified to (* (+ (+ a b) (+ d c)) (- (- a b) (+ d c)))
* [enter]simplify:  Simplifying (- a (+ (+ b c) d))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (37 enodes)
* [exit]simplify:  Simplified to (- (- a c) (+ d b))
* [exit]simplify:  Simplified to (- (- a c) (+ d b))
* * * * [misc]progress:  [ 15 / 16 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ (+ a (+ b c)) d) 2))>
* [enter]simplify:  Simplifying (+ a (+ b c))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (+ c (+ a b))
* [exit]simplify:  Simplified to (+ c (+ a b))
* * * * [misc]progress:  [ 16 / 16 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (+ (+ (+ b c) d) a) 2))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 3 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (a b c d) (* (log1p (expm1 (+ a (+ (+ b c) d)))) 2))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 3 ] generating series at (2 1 1 1)
* [misc]approximate:  Taking taylor expansion of (+ a (+ (+ b c) d)) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ a (+ (+ b c) d)) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) d) in d
* [misc]taylor:  Taking taylor expansion of (+ b c) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ a (+ (+ b c) d)) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) d) in c
* [misc]taylor:  Taking taylor expansion of (+ b c) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ a (+ (+ b c) d)) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) d) in b
* [misc]taylor:  Taking taylor expansion of (+ b c) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ a (+ (+ b c) d)) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) d) in a
* [misc]taylor:  Taking taylor expansion of (+ b c) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ a (+ (+ b c) d)) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ b c) d) in a
* [misc]taylor:  Taking taylor expansion of (+ b c) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ b c) into (+ b c)
* [misc]backup-simplify:  Simplify (+ (+ b c) d) into (+ b (+ c d))
* [misc]backup-simplify:  Simplify (+ 0 (+ b (+ c d))) into (+ b (+ c d))
* [misc]taylor:  Taking taylor expansion of (+ b (+ c d)) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ c d) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ c d) into (+ c d)
* [misc]backup-simplify:  Simplify (+ 0 (+ c d)) into (+ c d)
* [misc]taylor:  Taking taylor expansion of (+ c d) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (+ 0 d) into d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in b
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* c (* 1 1)))) (+ (* 1 (* 1 (* 1 (* b 1)))) (* 1 (* 1 (* 1 (* 1 a)))))) into (+ b (+ c a))
* [misc]approximate:  Taking taylor expansion of (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)) in d
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)) in a
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)) in a
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (/ 1 b) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in b
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 b) (/ 1 c)) into (+ (/ 1 b) (/ 1 c))
* [misc]backup-simplify:  Simplify (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)) into (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))
* [misc]backup-simplify:  Simplify (+ 0 (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))) into (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in c
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 b) (/ 0 b)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 c)) into (+ (/ 1 d) (/ 1 c))
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 b) (/ 0 b)) (* 0 (/ 0 b)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d) 0) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 b)) 1)))) (+ (* 1 (* 1 (* (/ 1 (/ 1 c)) (* 1 1)))) (* 1 (* (/ 1 (/ 1 d)) (* 1 (* 1 1)))))) into (+ b (+ c d))
* [misc]approximate:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in d
* [misc]taylor:  Taking taylor expansion of (- a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))) in d
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in d
* [misc]taylor:  Taking taylor expansion of (- b) in d
* [misc]taylor:  Taking taylor expansion of b in d
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in d
* [misc]taylor:  Taking taylor expansion of (- c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in d
* [misc]taylor:  Taking taylor expansion of (- d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in c
* [misc]taylor:  Taking taylor expansion of (- a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in c
* [misc]taylor:  Taking taylor expansion of (- b) in c
* [misc]taylor:  Taking taylor expansion of b in c
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in c
* [misc]taylor:  Taking taylor expansion of (- c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in c
* [misc]taylor:  Taking taylor expansion of (- d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in b
* [misc]taylor:  Taking taylor expansion of (- a) in b
* [misc]taylor:  Taking taylor expansion of a in b
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in b
* [misc]taylor:  Taking taylor expansion of (- b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in b
* [misc]taylor:  Taking taylor expansion of (- c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in b
* [misc]taylor:  Taking taylor expansion of (- d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))) in a
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in a
* [misc]taylor:  Taking taylor expansion of (- b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in a
* [misc]taylor:  Taking taylor expansion of (- c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in a
* [misc]taylor:  Taking taylor expansion of (- d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))) in a
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- b)) (/ 1 (- c))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- b)) in a
* [misc]taylor:  Taking taylor expansion of (- b) in a
* [misc]taylor:  Taking taylor expansion of b in a
* [misc]backup-simplify:  Simplify b into b
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (/ 1 (- b)) into (/ -1 b)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- c)) in a
* [misc]taylor:  Taking taylor expansion of (- c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (/ 1 (- c)) into (/ -1 c)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in a
* [misc]taylor:  Taking taylor expansion of (- d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]taylor:  Taking taylor expansion of -1 in b
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ -1 b) (/ -1 c)) into (- (+ (/ 1 b) (/ 1 c)))
* [misc]backup-simplify:  Simplify (+ (- (+ (/ 1 b) (/ 1 c))) (/ -1 d)) into (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))))
* [misc]backup-simplify:  Simplify (+ 0 (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))))) into (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (+ (/ 1 b) (/ 1 c)))) in b
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (+ (/ 1 b) (/ 1 c))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 b) (/ 1 c)) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 b) in b
* [misc]taylor:  Taking taylor expansion of b in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]backup-simplify:  Simplify (/ 1 c) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in c
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in c
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 b) (/ 0 (- b))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 d) (/ 1 c)) into (+ (/ 1 d) (/ 1 c))
* [misc]backup-simplify:  Simplify (- (+ (/ 1 d) (/ 1 c))) into (- (+ (/ 1 d) (/ 1 c)))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d) (/ 1 c))) in c
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d) (/ 1 c)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 c) in c
* [misc]taylor:  Taking taylor expansion of c in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- b) into (- b)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 b) (/ 0 (- b))) (* 0 (/ 0 (- b))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))) (* 0 (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))) (* 0 (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d) 0) into (/ 1 d)
* [misc]backup-simplify:  Simplify (- (/ 1 d)) into (- (/ 1 d))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ (* -1 (* 1 (* 1 (* (/ 1 (/ 1 (- b))) 1)))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- c))) (* 1 1)))) (* -1 (* (/ 1 (/ 1 (- d))) (* 1 (* 1 1)))))) into (+ b (+ c d))
* * * * [misc]progress:  [ 2 / 3 ] generating series at (2 1 1)
* [misc]approximate:  Taking taylor expansion of (expm1 (+ a (+ (+ b c) d))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (expm1 (+ a (+ (+ b c) d))) in d
* [misc]backup-simplify:  Simplify (expm1 (+ a (+ (+ b c) d))) into (expm1 (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ a (+ (+ b c) d))) in c
* [misc]backup-simplify:  Simplify (expm1 (+ a (+ (+ b c) d))) into (expm1 (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ a (+ (+ b c) d))) in b
* [misc]backup-simplify:  Simplify (expm1 (+ a (+ (+ b c) d))) into (expm1 (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ a (+ (+ b c) d))) in a
* [misc]backup-simplify:  Simplify (expm1 (+ a (+ (+ b c) d))) into (expm1 (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ a (+ (+ b c) d))) in a
* [misc]backup-simplify:  Simplify (expm1 (+ a (+ (+ b c) d))) into (expm1 (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ b (+ c (+ d a)))) in b
* [misc]backup-simplify:  Simplify (expm1 (+ b (+ c (+ d a)))) into (expm1 (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ b (+ c (+ d a)))) in c
* [misc]backup-simplify:  Simplify (expm1 (+ b (+ c (+ d a)))) into (expm1 (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ b (+ c (+ d a)))) in d
* [misc]backup-simplify:  Simplify (expm1 (+ b (+ c (+ d a)))) into (expm1 (+ b (+ c (+ d a))))
* [misc]backup-simplify:  Simplify (expm1 (+ b (+ c (+ d a)))) into (expm1 (+ b (+ c (+ d a))))
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (expm1 (+ b (+ c (+ d a)))) into (expm1 (+ b (+ c (+ d a))))
* [misc]approximate:  Taking taylor expansion of (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)))) in d
* [misc]backup-simplify:  Simplify (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)))) into (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)))) in c
* [misc]backup-simplify:  Simplify (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)))) into (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)))) in b
* [misc]backup-simplify:  Simplify (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)))) into (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)))) in a
* [misc]backup-simplify:  Simplify (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)))) into (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)))) in a
* [misc]backup-simplify:  Simplify (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d)))) into (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) in b
* [misc]backup-simplify:  Simplify (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) into (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) in c
* [misc]backup-simplify:  Simplify (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) into (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) in d
* [misc]backup-simplify:  Simplify (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) into (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]backup-simplify:  Simplify (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) into (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))) into (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))
* [misc]approximate:  Taking taylor expansion of (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))))) in d
* [misc]backup-simplify:  Simplify (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))))) into (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))))) in c
* [misc]backup-simplify:  Simplify (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))))) into (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))))) in b
* [misc]backup-simplify:  Simplify (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))))) into (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))))) in a
* [misc]backup-simplify:  Simplify (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))))) into (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))))) in a
* [misc]backup-simplify:  Simplify (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d))))) into (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) in b
* [misc]backup-simplify:  Simplify (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) into (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) in c
* [misc]backup-simplify:  Simplify (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) into (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) in d
* [misc]backup-simplify:  Simplify (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) into (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]backup-simplify:  Simplify (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) into (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) into (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* * * * [misc]progress:  [ 3 / 3 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (log1p (expm1 (+ a (+ (+ b c) d)))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ a (+ (+ b c) d)))) in d
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ a (+ (+ b c) d)))) into (log1p (expm1 (+ b (+ c (+ d a)))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ a (+ (+ b c) d)))) in c
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ a (+ (+ b c) d)))) into (log1p (expm1 (+ b (+ c (+ d a)))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ a (+ (+ b c) d)))) in b
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ a (+ (+ b c) d)))) into (log1p (expm1 (+ b (+ c (+ d a)))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ a (+ (+ b c) d)))) in a
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ a (+ (+ b c) d)))) into (log1p (expm1 (+ b (+ c (+ d a)))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ a (+ (+ b c) d)))) in a
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ a (+ (+ b c) d)))) into (log1p (expm1 (+ b (+ c (+ d a)))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ b (+ c (+ d a))))) in b
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ b (+ c (+ d a))))) into (log1p (expm1 (+ b (+ c (+ d a)))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ b (+ c (+ d a))))) in c
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ b (+ c (+ d a))))) into (log1p (expm1 (+ b (+ c (+ d a)))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ b (+ c (+ d a))))) in d
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ b (+ c (+ d a))))) into (log1p (expm1 (+ b (+ c (+ d a)))))
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ b (+ c (+ d a))))) into (log1p (expm1 (+ b (+ c (+ d a)))))
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ b (+ c (+ d a))))) into (log1p (expm1 (+ b (+ c (+ d a)))))
* [misc]approximate:  Taking taylor expansion of (log1p (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))))) in d
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))))) into (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))))) in c
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))))) into (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))))) in b
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))))) into (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))))) in a
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))))) into (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))))) in a
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ (/ 1 a) (+ (+ (/ 1 b) (/ 1 c)) (/ 1 d))))) into (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) in b
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) into (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) in c
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) into (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) in d
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) into (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) into (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) into (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))
* [misc]approximate:  Taking taylor expansion of (log1p (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))))) in (a b c d) around 0
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))))) in d
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))))) into (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))))) in c
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))))) into (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))))) in b
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))))) into (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))))) in a
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))))) into (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))))) in a
* [misc]backup-simplify:  Simplify (log1p (expm1 (+ (/ 1 (- a)) (+ (+ (/ 1 (- b)) (/ 1 (- c))) (/ 1 (- d)))))) into (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))) in b
* [misc]backup-simplify:  Simplify (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))) into (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))) in c
* [misc]backup-simplify:  Simplify (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))) into (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))))
* [misc]taylor:  Taking taylor expansion of (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))) in d
* [misc]backup-simplify:  Simplify (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))) into (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))))
* [misc]backup-simplify:  Simplify (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))) into (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))))
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in b
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))) into (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 3 ] rewriting at (2 1 1 1)
* * * * [misc]progress:  [ 2 / 3 ] rewriting at (2 1 1)
* * * * [misc]progress:  [ 3 / 3 ] rewriting at (2 1)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 42 ] simplifiying candidate #<alt-event (λ (a b c d) (* (log1p (expm1 (+ b (+ c a)))) 2))>
* [enter]simplify:  Simplifying (* (log1p (expm1 (+ b (+ c a)))) 2)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (48 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (81 enodes)
* [exit]simplify:  Simplified to (fma (+ b a) 2 (* c 2))
* * * * [misc]progress:  [ 2 / 42 ] simplifiying candidate #<alt-event (λ (a b c d) (* (log1p (expm1 (+ b (+ c d)))) 2))>
* [enter]simplify:  Simplifying (* (log1p (expm1 (+ b (+ c d)))) 2)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (48 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (81 enodes)
* [exit]simplify:  Simplified to (fma (+ b d) 2 (* c 2))
* * * * [misc]progress:  [ 3 / 42 ] simplifiying candidate #<alt-event (λ (a b c d) (* (log1p (expm1 (+ b (+ c d)))) 2))>
* [enter]simplify:  Simplifying (* (log1p (expm1 (+ b (+ c d)))) 2)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (48 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (81 enodes)
* [exit]simplify:  Simplified to (fma (+ b d) 2 (* c 2))
* * * * [misc]progress:  [ 4 / 42 ] simplifiying candidate #<alt-event (λ (a b c d) (* (log1p (expm1 (+ b (+ c (+ d a))))) 2))>
* [enter]simplify:  Simplifying (* (log1p (expm1 (+ b (+ c (+ d a))))) 2)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (65 enodes)
* * [misc]simplify:  iters left: 2 (133 enodes)
* * [misc]simplify:  iters left: 1 (201 enodes)
* [exit]simplify:  Simplified to (* (+ (+ d a) (+ b c)) 2)
* * * * [misc]progress:  [ 5 / 42 ] simplifiying candidate #<alt-event (λ (a b c d) (* (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) 2))>
* [enter]simplify:  Simplifying (* (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) 2)
* * [misc]simplify:  iters left: 6 (16 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (76 enodes)
* * [misc]simplify:  iters left: 2 (146 enodes)
* * [misc]simplify:  iters left: 1 (223 enodes)
* [exit]simplify:  Simplified to (+ (+ (/ 2 d) (/ 2 b)) (+ (/ 2 a) (/ 2 c)))
* * * * [misc]progress:  [ 6 / 42 ] simplifiying candidate #<alt-event (λ (a b c d) (* (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))) 2))>
* [enter]simplify:  Simplifying (* (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))) 2)
* * [misc]simplify:  iters left: 6 (17 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (127 enodes)
* * [misc]simplify:  iters left: 2 (314 enodes)
* [exit]simplify:  Simplified to (- (+ (+ (/ 2 c) (/ 2 a)) (+ (/ 2 d) (/ 2 b))))
* * * * [misc]progress:  [ 7 / 42 ] simplifiying candidate #<alt-event (λ (a b c d) (* (log1p (expm1 (+ b (+ c (+ d a))))) 2))>
* [enter]simplify:  Simplifying (* (log1p (expm1 (+ b (+ c (+ d a))))) 2)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (65 enodes)
* * [misc]simplify:  iters left: 2 (133 enodes)
* * [misc]simplify:  iters left: 1 (201 enodes)
* [exit]simplify:  Simplified to (* (+ (+ d a) (+ b c)) 2)
* * * * [misc]progress:  [ 8 / 42 ] simplifiying candidate #<alt-event (λ (a b c d) (* (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) 2))>
* [enter]simplify:  Simplifying (* (log1p (expm1 (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a)))))) 2)
* * [misc]simplify:  iters left: 6 (16 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (76 enodes)
* * [misc]simplify:  iters left: 2 (146 enodes)
* * [misc]simplify:  iters left: 1 (223 enodes)
* [exit]simplify:  Simplified to (+ (+ (/ 2 d) (/ 2 b)) (+ (/ 2 a) (/ 2 c)))
* * * * [misc]progress:  [ 9 / 42 ] simplifiying candidate #<alt-event (λ (a b c d) (* (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))) 2))>
* [enter]simplify:  Simplifying (* (log1p (expm1 (- (+ (/ 1 d) (+ (/ 1 b) (+ (/ 1 c) (/ 1 a))))))) 2)
* * [misc]simplify:  iters left: 6 (17 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (127 enodes)
* * [misc]simplify:  iters left: 2 (314 enodes)
* [exit]simplify:  Simplified to (- (+ (+ (/ 2 c) (/ 2 a)) (+ (/ 2 d) (/ 2 b))))
* * * * [misc]progress:  [ 10 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (log1p (expm1 (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (expm1 (+ a (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (expm1 (+ (+ d a) (+ c b)))
* [exit]simplify:  Simplified to (expm1 (+ (+ d a) (+ c b)))
* * * * [misc]progress:  [ 11 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (expm1 (log1p (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (log1p (+ a (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (log1p (+ (+ d a) (+ c b)))
* [exit]simplify:  Simplified to (log1p (+ (+ d a) (+ c b)))
* * * * [misc]progress:  [ 12 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (pow (+ a (+ (+ b c) d)) 1))) 2))>
* * * * [misc]progress:  [ 13 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (exp (log (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (log (+ a (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (log (+ (+ d a) (+ c b)))
* [exit]simplify:  Simplified to (log (+ (+ d a) (+ c b)))
* * * * [misc]progress:  [ 14 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (log (exp (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (exp (+ a (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (55 enodes)
* * [misc]simplify:  iters left: 2 (90 enodes)
* * [misc]simplify:  iters left: 1 (103 enodes)
* [exit]simplify:  Simplified to (exp (+ (+ d c) (+ a b)))
* [exit]simplify:  Simplified to (exp (+ (+ d c) (+ a b)))
* * * * [misc]progress:  [ 15 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (cube (cbrt (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (cbrt (+ a (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (+ d a) (+ c b)))
* [exit]simplify:  Simplified to (cbrt (+ (+ d a) (+ c b)))
* * * * [misc]progress:  [ 16 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (cbrt (cube (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (cube (+ a (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (147 enodes)
* [exit]simplify:  Simplified to (cube (+ (+ a d) (+ c b)))
* [exit]simplify:  Simplified to (cube (+ (+ a d) (+ c b)))
* * * * [misc]progress:  [ 17 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (sqr (sqrt (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (sqrt (+ a (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (+ d a) (+ c b)))
* [exit]simplify:  Simplified to (sqrt (+ (+ d a) (+ c b)))
* * * * [misc]progress:  [ 18 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (* 1 (+ a (+ (+ b c) d))))) 2))>
* * * * [misc]progress:  [ 19 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (/ (- (pow a 3) (pow (+ (+ b c) d) 3)) (+ (sqr a) (- (sqr (+ (+ b c) d)) (* a (+ (+ b c) d))))))) 2))>
* [enter]simplify:  Simplifying (- (pow a 3) (pow (+ (+ b c) d) 3))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (158 enodes)
* * [misc]simplify:  iters left: 1 (357 enodes)
* [exit]simplify:  Simplified to (- (cube a) (cube (+ (+ c d) b)))
* [exit]simplify:  Simplified to (- (cube a) (cube (+ (+ c d) b)))
* [enter]simplify:  Simplifying (+ (sqr a) (- (sqr (+ (+ b c) d)) (* a (+ (+ b c) d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (62 enodes)
* * [misc]simplify:  iters left: 3 (146 enodes)
* * [misc]simplify:  iters left: 2 (328 enodes)
* [exit]simplify:  Simplified to (fma (+ (+ d c) b) (+ (+ b d) (- c a)) (sqr a))
* [exit]simplify:  Simplified to (fma (+ (+ d c) b) (+ (+ b d) (- c a)) (sqr a))
* * * * [misc]progress:  [ 20 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (/ (- (sqr a) (sqr (+ (+ b c) d))) (- a (+ (+ b c) d))))) 2))>
* [enter]simplify:  Simplifying (- (sqr a) (sqr (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (137 enodes)
* * [misc]simplify:  iters left: 2 (344 enodes)
* [exit]simplify:  Simplified to (* (+ (+ a b) (+ d c)) (- (- a b) (+ d c)))
* [exit]simplify:  Simplified to (* (+ (+ a b) (+ d c)) (- (- a b) (+ d c)))
* [enter]simplify:  Simplifying (- a (+ (+ b c) d))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (37 enodes)
* [exit]simplify:  Simplified to (- (- a c) (+ d b))
* [exit]simplify:  Simplified to (- (- a c) (+ d b))
* * * * [misc]progress:  [ 21 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (+ (+ a (+ b c)) d))) 2))>
* [enter]simplify:  Simplifying (+ a (+ b c))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (+ c (+ a b))
* [exit]simplify:  Simplified to (+ c (+ a b))
* * * * [misc]progress:  [ 22 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (+ (+ (+ b c) d) a))) 2))>
* * * * [misc]progress:  [ 23 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (- (exp (+ a (+ (+ b c) d))) 1)) 2))>
* [enter]simplify:  Simplifying (exp (+ a (+ (+ b c) d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (55 enodes)
* * [misc]simplify:  iters left: 2 (90 enodes)
* * [misc]simplify:  iters left: 1 (103 enodes)
* [exit]simplify:  Simplified to (exp (+ (+ d c) (+ a b)))
* [exit]simplify:  Simplified to (exp (+ (+ d c) (+ a b)))
* * * * [misc]progress:  [ 24 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (log1p (expm1 (expm1 (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (expm1 (expm1 (+ a (+ (+ b c) d))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (59 enodes)
* [exit]simplify:  Simplified to (expm1 (expm1 (+ (+ c b) (+ d a))))
* [exit]simplify:  Simplified to (expm1 (expm1 (+ (+ c b) (+ d a))))
* * * * [misc]progress:  [ 25 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (log1p (expm1 (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (log1p (expm1 (+ a (+ (+ b c) d))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (43 enodes)
* * [misc]simplify:  iters left: 2 (57 enodes)
* * [misc]simplify:  iters left: 1 (67 enodes)
* [exit]simplify:  Simplified to (+ (+ d c) (+ a b))
* [exit]simplify:  Simplified to (+ (+ d c) (+ a b))
* * * * [misc]progress:  [ 26 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (pow (expm1 (+ a (+ (+ b c) d))) 1)) 2))>
* * * * [misc]progress:  [ 27 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (exp (log (expm1 (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (log (expm1 (+ a (+ (+ b c) d))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (59 enodes)
* [exit]simplify:  Simplified to (log (expm1 (+ (+ c b) (+ d a))))
* [exit]simplify:  Simplified to (log (expm1 (+ (+ c b) (+ d a))))
* * * * [misc]progress:  [ 28 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (log (exp (expm1 (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (exp (expm1 (+ a (+ (+ b c) d))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (59 enodes)
* [exit]simplify:  Simplified to (exp (expm1 (+ (+ c b) (+ d a))))
* [exit]simplify:  Simplified to (exp (expm1 (+ (+ c b) (+ d a))))
* * * * [misc]progress:  [ 29 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (cube (cbrt (expm1 (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (cbrt (expm1 (+ a (+ (+ b c) d))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (59 enodes)
* [exit]simplify:  Simplified to (cbrt (expm1 (+ (+ c b) (+ d a))))
* [exit]simplify:  Simplified to (cbrt (expm1 (+ (+ c b) (+ d a))))
* * * * [misc]progress:  [ 30 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (cbrt (cube (expm1 (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (cube (expm1 (+ a (+ (+ b c) d))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (27 enodes)
* * [misc]simplify:  iters left: 3 (36 enodes)
* * [misc]simplify:  iters left: 2 (55 enodes)
* * [misc]simplify:  iters left: 1 (63 enodes)
* [exit]simplify:  Simplified to (cube (expm1 (+ (+ c b) (+ d a))))
* [exit]simplify:  Simplified to (cube (expm1 (+ (+ c b) (+ d a))))
* * * * [misc]progress:  [ 31 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (sqr (sqrt (expm1 (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (sqrt (expm1 (+ a (+ (+ b c) d))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (59 enodes)
* [exit]simplify:  Simplified to (sqrt (expm1 (+ (+ c b) (+ d a))))
* [exit]simplify:  Simplified to (sqrt (expm1 (+ (+ c b) (+ d a))))
* * * * [misc]progress:  [ 32 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (* 1 (expm1 (+ a (+ (+ b c) d))))) 2))>
* * * * [misc]progress:  [ 33 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log (+ 1 (expm1 (+ a (+ (+ b c) d))))) 2))>
* [enter]simplify:  Simplifying (+ 1 (expm1 (+ a (+ (+ b c) d))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (27 enodes)
* * [misc]simplify:  iters left: 3 (47 enodes)
* * [misc]simplify:  iters left: 2 (61 enodes)
* * [misc]simplify:  iters left: 1 (73 enodes)
* [exit]simplify:  Simplified to (+ (expm1 (+ (+ a c) (+ b d))) 1)
* [exit]simplify:  Simplified to (+ (expm1 (+ (+ a c) (+ b d))) 1)
* * * * [misc]progress:  [ 34 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log1p (expm1 (log1p (expm1 (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (expm1 (log1p (expm1 (+ a (+ (+ b c) d)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (44 enodes)
* * [misc]simplify:  iters left: 2 (52 enodes)
* * [misc]simplify:  iters left: 1 (59 enodes)
* [exit]simplify:  Simplified to (expm1 (+ (+ d c) (+ a b)))
* [exit]simplify:  Simplified to (expm1 (+ (+ d c) (+ a b)))
* * * * [misc]progress:  [ 35 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (expm1 (log1p (log1p (expm1 (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (log1p (log1p (expm1 (+ a (+ (+ b c) d)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (44 enodes)
* * [misc]simplify:  iters left: 2 (52 enodes)
* * [misc]simplify:  iters left: 1 (59 enodes)
* [exit]simplify:  Simplified to (log1p (+ (+ d c) (+ a b)))
* [exit]simplify:  Simplified to (log1p (+ (+ d c) (+ a b)))
* * * * [misc]progress:  [ 36 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (pow (log1p (expm1 (+ a (+ (+ b c) d)))) 1) 2))>
* * * * [misc]progress:  [ 37 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (exp (log (log1p (expm1 (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (log (log1p (expm1 (+ a (+ (+ b c) d)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (44 enodes)
* * [misc]simplify:  iters left: 2 (52 enodes)
* * [misc]simplify:  iters left: 1 (59 enodes)
* [exit]simplify:  Simplified to (log (+ (+ d c) (+ a b)))
* [exit]simplify:  Simplified to (log (+ (+ d c) (+ a b)))
* * * * [misc]progress:  [ 38 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (log (exp (log1p (expm1 (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (exp (log1p (expm1 (+ a (+ (+ b c) d)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (65 enodes)
* * [misc]simplify:  iters left: 2 (95 enodes)
* * [misc]simplify:  iters left: 1 (130 enodes)
* [exit]simplify:  Simplified to (exp (+ (+ a c) (+ d b)))
* [exit]simplify:  Simplified to (exp (+ (+ a c) (+ d b)))
* * * * [misc]progress:  [ 39 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cube (cbrt (log1p (expm1 (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (cbrt (log1p (expm1 (+ a (+ (+ b c) d)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (44 enodes)
* * [misc]simplify:  iters left: 2 (52 enodes)
* * [misc]simplify:  iters left: 1 (59 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (+ d c) (+ a b)))
* [exit]simplify:  Simplified to (cbrt (+ (+ d c) (+ a b)))
* * * * [misc]progress:  [ 40 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (cbrt (cube (log1p (expm1 (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (cube (log1p (expm1 (+ a (+ (+ b c) d)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (140 enodes)
* [exit]simplify:  Simplified to (cube (+ (+ c b) (+ d a)))
* [exit]simplify:  Simplified to (cube (+ (+ c b) (+ d a)))
* * * * [misc]progress:  [ 41 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (sqr (sqrt (log1p (expm1 (+ a (+ (+ b c) d)))))) 2))>
* [enter]simplify:  Simplifying (sqrt (log1p (expm1 (+ a (+ (+ b c) d)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (44 enodes)
* * [misc]simplify:  iters left: 2 (52 enodes)
* * [misc]simplify:  iters left: 1 (59 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (+ d c) (+ a b)))
* [exit]simplify:  Simplified to (sqrt (+ (+ d c) (+ a b)))
* * * * [misc]progress:  [ 42 / 42 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (* 1 (log1p (expm1 (+ a (+ (+ b c) d))))) 2))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  Final touches.
* * * [misc]progress:  tayloring alt 1 of 1
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime-changes:  Finding splitpoints for: (#<alt-delta (λ (a b c d) (* (+ (+ d a) (+ b c)) 2))>)
* [misc]regimes:  Found splitpoints: (#s(sp 0 (+ a (+ b (+ c d))) +inf.0)) , with alts (#<alt-delta (λ (a b c d) (* (+ (+ d a) (+ b c)) 2))>)
* [enter]simplify:  Simplifying (+ (+ d a) (+ b c))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* * [misc]simplify:  iters left: 1 (34 enodes)
* [exit]simplify:  Simplified to (+ (+ c d) (+ a b))
* [exit]simplify:  Simplified to (+ (+ c d) (+ a b))