* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * [misc]progress:  [2/2] Setting up program.
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (fma d d (* c c)))
* [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) (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 3 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))) in (b c a d) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))) in d
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (sqr c) (sqr d)) in d
* [misc]taylor:  Taking taylor expansion of (sqr c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of (sqr 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 (* b c) into (* b c)
* [misc]backup-simplify:  Simplify (* a 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* b c) 0) into (* b c)
* [misc]backup-simplify:  Simplify (* c c) into (sqr c)
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (sqr c) 0) into (sqr c)
* [misc]backup-simplify:  Simplify (/ (* b c) (sqr c)) into (/ b c)
* [misc]taylor:  Taking taylor expansion of (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))) in a
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ (sqr c) (sqr d)) in a
* [misc]taylor:  Taking taylor expansion of (sqr c) in a
* [misc]taylor:  Taking taylor expansion of c in a
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of (sqr d) in a
* [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 (* 0 d) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* b c) 0) into (* b c)
* [misc]backup-simplify:  Simplify (* c c) into (sqr c)
* [misc]backup-simplify:  Simplify (* d d) into (sqr d)
* [misc]backup-simplify:  Simplify (+ (sqr c) (sqr d)) into (+ (sqr d) (sqr c))
* [misc]backup-simplify:  Simplify (/ (* b c) (+ (sqr d) (sqr c))) into (/ (* b c) (+ (sqr d) (sqr c)))
* [misc]taylor:  Taking taylor expansion of (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))) in c
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ (sqr c) (sqr d)) in c
* [misc]taylor:  Taking taylor expansion of (sqr 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]taylor:  Taking taylor expansion of (sqr d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (* b 0) into 0
* [misc]backup-simplify:  Simplify (* a d) into (* d a)
* [misc]backup-simplify:  Simplify (- (* d a)) into (- (* d a))
* [misc]backup-simplify:  Simplify (+ 0 (- (* d a))) into (- (* d a))
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (* d d) into (sqr d)
* [misc]backup-simplify:  Simplify (+ 0 (sqr d)) into (sqr d)
* [misc]backup-simplify:  Simplify (/ (- (* d a)) (sqr d)) into (* -1 (/ a d))
* [misc]taylor:  Taking taylor expansion of (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))) in b
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ (sqr c) (sqr d)) in b
* [misc]taylor:  Taking taylor expansion of (sqr c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of (sqr d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (* 0 c) into 0
* [misc]backup-simplify:  Simplify (* a d) into (* d a)
* [misc]backup-simplify:  Simplify (- (* d a)) into (- (* d a))
* [misc]backup-simplify:  Simplify (+ 0 (- (* d a))) into (- (* d a))
* [misc]backup-simplify:  Simplify (* c c) into (sqr c)
* [misc]backup-simplify:  Simplify (* d d) into (sqr d)
* [misc]backup-simplify:  Simplify (+ (sqr c) (sqr d)) into (+ (sqr d) (sqr c))
* [misc]backup-simplify:  Simplify (/ (- (* d a)) (+ (sqr d) (sqr c))) into (* -1 (/ (* d a) (+ (sqr d) (sqr c))))
* [misc]taylor:  Taking taylor expansion of (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))) in b
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ (sqr c) (sqr d)) in b
* [misc]taylor:  Taking taylor expansion of (sqr c) in b
* [misc]taylor:  Taking taylor expansion of c in b
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of (sqr d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (* 0 c) into 0
* [misc]backup-simplify:  Simplify (* a d) into (* d a)
* [misc]backup-simplify:  Simplify (- (* d a)) into (- (* d a))
* [misc]backup-simplify:  Simplify (+ 0 (- (* d a))) into (- (* d a))
* [misc]backup-simplify:  Simplify (* c c) into (sqr c)
* [misc]backup-simplify:  Simplify (* d d) into (sqr d)
* [misc]backup-simplify:  Simplify (+ (sqr c) (sqr d)) into (+ (sqr d) (sqr c))
* [misc]backup-simplify:  Simplify (/ (- (* d a)) (+ (sqr d) (sqr c))) into (* -1 (/ (* d a) (+ (sqr d) (sqr c))))
* [misc]taylor:  Taking taylor expansion of (* -1 (/ (* d a) (+ (sqr d) (sqr c)))) in c
* [misc]taylor:  Taking taylor expansion of -1 in c
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of (/ (* d a) (+ (sqr d) (sqr c))) in c
* [misc]taylor:  Taking taylor expansion of (* d a) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ (sqr d) (sqr c)) in c
* [misc]taylor:  Taking taylor expansion of (sqr d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (sqr 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 (* d a) into (* d a)
* [misc]backup-simplify:  Simplify (* d d) into (sqr d)
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (sqr d) 0) into (sqr d)
* [misc]backup-simplify:  Simplify (/ (* d a) (sqr d)) into (/ a d)
* [misc]backup-simplify:  Simplify (* -1 (/ a d)) into (* -1 (/ a d))
* [misc]taylor:  Taking taylor expansion of (* -1 (/ a d)) in a
* [misc]taylor:  Taking taylor expansion of -1 in a
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of (/ a 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 d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 c)) into c
* [misc]backup-simplify:  Simplify (+ (* a 0) (* 0 d)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ c 0) into c
* [misc]backup-simplify:  Simplify (+ (* c 0) (* 0 c)) into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (* 0 d)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ c (+ (sqr d) (sqr c))) (+ (* (* -1 (/ (* d a) (+ (sqr d) (sqr c)))) (/ 0 (+ (sqr d) (sqr c)))))) into (/ c (+ (sqr d) (sqr c)))
* [misc]taylor:  Taking taylor expansion of (/ c (+ (sqr d) (sqr 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]taylor:  Taking taylor expansion of (+ (sqr d) (sqr c)) in c
* [misc]taylor:  Taking taylor expansion of (sqr d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (sqr 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 (* d d) into (sqr d)
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (sqr d) 0) into (sqr d)
* [misc]backup-simplify:  Simplify (/ 1 (sqr d)) into (/ 1 (sqr d))
* [misc]backup-simplify:  Simplify (+ (* d 0) (* 0 a)) into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (* 0 d)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr d)) (+ (* (/ a d) (/ 0 (sqr d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ a d))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* -1 (/ 1 d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (/ -1 d) in d
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [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 (- (/ 0 1) (+ (* -1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 c))) into 0
* [misc]backup-simplify:  Simplify (+ (* a 0) (+ (* 0 0) (* 0 d))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* c 0) (+ (* 0 0) (* 0 c))) into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (* 0 d))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ (sqr d) (sqr c))) (+ (* (* -1 (/ (* d a) (+ (sqr d) (sqr c)))) (/ 0 (+ (sqr d) (sqr c)))) (* (/ c (+ (sqr d) (sqr c))) (/ 0 (+ (sqr d) (sqr c)))))) 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 a
* [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 (/ 1 (sqr d)) in a
* [misc]taylor:  Taking taylor expansion of (sqr d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (* d d) into (sqr d)
* [misc]backup-simplify:  Simplify (/ 1 (sqr d)) into (/ 1 (sqr d))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d)) in d
* [misc]taylor:  Taking taylor expansion of (sqr 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 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (* 0 a))) into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (* 0 d))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr d)) (+ (* (/ a d) (/ 1 (sqr d))) (* 0 (/ 0 (sqr d))))) into (- (/ a (pow d 3)))
* [misc]backup-simplify:  Simplify (+ (* -1 (- (/ a (pow d 3)))) (+ (* 0 0) (* 0 (/ a d)))) into (/ a (pow d 3))
* [misc]taylor:  Taking taylor expansion of (/ a (pow d 3)) 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 (pow d 3) in a
* [misc]taylor:  Taking taylor expansion of (exp (* 3 (log d))) in a
* [misc]taylor:  Taking taylor expansion of (* 3 (log d)) in a
* [misc]taylor:  Taking taylor expansion of 3 in a
* [misc]backup-simplify:  Simplify 3 into 3
* [misc]taylor:  Taking taylor expansion of (log d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (log d) into (log d)
* [misc]backup-simplify:  Simplify (* 3 (log d)) into (* 3 (log d))
* [misc]backup-simplify:  Simplify (exp (* 3 (log d))) into (pow d 3)
* [misc]backup-simplify:  Simplify (/ 1 (pow d 3)) into (/ 1 (pow d 3))
* [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 d) (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ 1 d))) 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]approximate:  Taking taylor expansion of (/ (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 1 d))) (+ (sqr (/ 1 c)) (sqr (/ 1 d)))) in (b c a d) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 1 d))) (+ (sqr (/ 1 c)) (sqr (/ 1 d)))) in d
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 (+ (sqr (/ 1 c)) (sqr (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 c)) 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 (sqr (/ 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 a) 1) into (/ 1 a)
* [misc]backup-simplify:  Simplify (- (/ 1 a)) into (- (/ 1 a))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 a))) into (- (/ 1 a))
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ (- (/ 1 a)) 1) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 1 d))) (+ (sqr (/ 1 c)) (sqr (/ 1 d)))) in a
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 (+ (sqr (/ 1 c)) (sqr (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 c)) 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 (sqr (/ 1 d)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d)) into (/ 1 d)
* [misc]backup-simplify:  Simplify (- (/ 1 d)) into (- (/ 1 d))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 d))) into (- (/ 1 d))
* [misc]backup-simplify:  Simplify (* (/ 1 c) (/ 1 c)) into (/ 1 (sqr c))
* [misc]backup-simplify:  Simplify (* (/ 1 d) (/ 1 d)) into (/ 1 (sqr d))
* [misc]backup-simplify:  Simplify (+ (/ 1 (sqr c)) (/ 1 (sqr d))) into (+ (/ 1 (sqr d)) (/ 1 (sqr c)))
* [misc]backup-simplify:  Simplify (/ (- (/ 1 d)) (+ (/ 1 (sqr d)) (/ 1 (sqr c)))) into (/ -1 (* d (+ (/ 1 (sqr d)) (/ 1 (sqr c)))))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 1 d))) (+ (sqr (/ 1 c)) (sqr (/ 1 d)))) in c
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 (+ (sqr (/ 1 c)) (sqr (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 c)) 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 (sqr (/ 1 d)) 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]backup-simplify:  Simplify (* (/ 1 b) 1) into (/ 1 b)
* [misc]backup-simplify:  Simplify (+ (/ 1 b) 0) into (/ 1 b)
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (/ 1 b) 1) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 1 d))) (+ (sqr (/ 1 c)) (sqr (/ 1 d)))) in b
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 (+ (sqr (/ 1 c)) (sqr (/ 1 d))) in b
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 c)) 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 (sqr (/ 1 d)) 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]backup-simplify:  Simplify (* 1 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 c) 0) into (/ 1 c)
* [misc]backup-simplify:  Simplify (* (/ 1 c) (/ 1 c)) into (/ 1 (sqr c))
* [misc]backup-simplify:  Simplify (* (/ 1 d) (/ 1 d)) into (/ 1 (sqr d))
* [misc]backup-simplify:  Simplify (+ (/ 1 (sqr c)) (/ 1 (sqr d))) into (+ (/ 1 (sqr d)) (/ 1 (sqr c)))
* [misc]backup-simplify:  Simplify (/ (/ 1 c) (+ (/ 1 (sqr d)) (/ 1 (sqr c)))) into (/ 1 (* c (+ (/ 1 (sqr d)) (/ 1 (sqr c)))))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 1 d))) (+ (sqr (/ 1 c)) (sqr (/ 1 d)))) in b
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 (+ (sqr (/ 1 c)) (sqr (/ 1 d))) in b
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 c)) 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 (sqr (/ 1 d)) 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]backup-simplify:  Simplify (* 1 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 c) 0) into (/ 1 c)
* [misc]backup-simplify:  Simplify (* (/ 1 c) (/ 1 c)) into (/ 1 (sqr c))
* [misc]backup-simplify:  Simplify (* (/ 1 d) (/ 1 d)) into (/ 1 (sqr d))
* [misc]backup-simplify:  Simplify (+ (/ 1 (sqr c)) (/ 1 (sqr d))) into (+ (/ 1 (sqr d)) (/ 1 (sqr c)))
* [misc]backup-simplify:  Simplify (/ (/ 1 c) (+ (/ 1 (sqr d)) (/ 1 (sqr c)))) into (/ 1 (* c (+ (/ 1 (sqr d)) (/ 1 (sqr c)))))
* [misc]taylor:  Taking taylor expansion of (/ 1 (* c (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) in c
* [misc]taylor:  Taking taylor expansion of (* c (+ (/ 1 (sqr d)) (/ 1 (sqr 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]taylor:  Taking taylor expansion of (+ (/ 1 (sqr d)) (/ 1 (sqr c))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d)) in c
* [misc]taylor:  Taking taylor expansion of (sqr d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (* d d) into (sqr d)
* [misc]backup-simplify:  Simplify (/ 1 (sqr d)) into (/ 1 (sqr d))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr c)) in c
* [misc]taylor:  Taking taylor expansion of (sqr 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 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* 0 1) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 1)) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 1 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 c))) into 0
* [misc]backup-simplify:  Simplify (* (/ 1 a) (/ 1 d)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (- (/ 1 (* d a))) into (- (/ 1 (* d a)))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 (* d a)))) into (- (/ 1 (* d a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 c) 0) (* 0 (/ 1 c))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d) 0) (* 0 (/ 1 d))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ (- (/ 1 (* d a))) (+ (/ 1 (sqr d)) (/ 1 (sqr c)))) (+ (* (/ 1 (* c (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c))))))) into (- (/ 1 (* d (* a (+ (/ 1 (sqr d)) (/ 1 (sqr c)))))))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d (* a (+ (/ 1 (sqr d)) (/ 1 (sqr c))))))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d (* a (+ (/ 1 (sqr d)) (/ 1 (sqr c)))))) in c
* [misc]taylor:  Taking taylor expansion of (* d (* a (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (* a (+ (/ 1 (sqr d)) (/ 1 (sqr c)))) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (sqr d)) (/ 1 (sqr c))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d)) in c
* [misc]taylor:  Taking taylor expansion of (sqr d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (* d d) into (sqr d)
* [misc]backup-simplify:  Simplify (/ 1 (sqr d)) into (/ 1 (sqr d))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr c)) in c
* [misc]taylor:  Taking taylor expansion of (sqr 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 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* a 1) into a
* [misc]backup-simplify:  Simplify (* d a) into (* d a)
* [misc]backup-simplify:  Simplify (/ 1 (* d a)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 (sqr d)) 0) into (/ 1 (sqr d))
* [misc]backup-simplify:  Simplify (+ (* 0 (/ 1 (sqr d))) (+ (* 1 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [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 c) (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 a) 0) (* 0 (/ 1 d))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 c) 0) (+ (* 0 0) (* 0 (/ 1 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d) 0) (+ (* 0 0) (* 0 (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c)))) (+ (* (/ 1 (* c (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) (* (- (/ 1 (* d (* a (+ (/ 1 (sqr d)) (/ 1 (sqr c))))))) (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c))))))) 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 a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 1 (* d a))) into (- (/ 1 (* d a)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d a)) in a
* [misc]taylor:  Taking taylor expansion of (* d a) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* d 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d 1) (* 0 0)) into d
* [misc]backup-simplify:  Simplify (/ 1 d) 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 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (* 0 d)) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr d)) (/ 0 (sqr d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 (/ 1 (sqr d))) (+ (* 0 0) (* 0 1)))) into (/ 1 (sqr d))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ (/ 1 (sqr d)) 1)) (* 0 (/ 0 1)))) into (- (/ 1 (sqr d)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (sqr d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d)) in a
* [misc]taylor:  Taking taylor expansion of (sqr d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (* d d) into (sqr d)
* [misc]backup-simplify:  Simplify (/ 1 (sqr d)) into (/ 1 (sqr d))
* [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]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 c))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)) (* 0 (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 a) 0) (+ (* 0 0) (* 0 (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 c) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 c))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c)))) (+ (* (/ 1 (* c (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) (* (- (/ 1 (* d (* a (+ (/ 1 (sqr d)) (/ 1 (sqr c))))))) (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) (* 0 (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c))))))) 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 a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* a 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (* 0 a)) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d a)) (/ 0 (* d a))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (* 0 d))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr d)) (/ 0 (sqr d))) (* 0 (/ 0 (sqr d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (/ 1 (sqr d))) (+ (* 0 0) (* 0 1))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ (/ 1 (sqr d)) 1)) (* (- (/ 1 (sqr d))) (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]approximate:  Taking taylor expansion of (/ (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 1 (- d)))) (+ (sqr (/ 1 (- c))) (sqr (/ 1 (- d))))) in (b c a d) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 1 (- d)))) (+ (sqr (/ 1 (- c))) (sqr (/ 1 (- d))))) in d
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 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 (- a)) (/ 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 (- 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 (+ (sqr (/ 1 (- c))) (sqr (/ 1 (- d)))) in d
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- c))) 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 (sqr (/ 1 (- d))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in d
* [misc]taylor:  Taking taylor expansion of (- d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (* (/ -1 a) -1) into (/ 1 a)
* [misc]backup-simplify:  Simplify (- (/ 1 a)) into (- (/ 1 a))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 a))) into (- (/ 1 a))
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ (- (/ 1 a)) 1) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 1 (- d)))) (+ (sqr (/ 1 (- c))) (sqr (/ 1 (- d))))) in a
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 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 (- a)) (/ 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 (- 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 (+ (sqr (/ 1 (- c))) (sqr (/ 1 (- d)))) in a
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- c))) 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 (sqr (/ 1 (- d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in a
* [misc]taylor:  Taking taylor expansion of (- d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d)) into (/ 1 d)
* [misc]backup-simplify:  Simplify (- (/ 1 d)) into (- (/ 1 d))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 d))) into (- (/ 1 d))
* [misc]backup-simplify:  Simplify (* (/ -1 c) (/ -1 c)) into (/ 1 (sqr c))
* [misc]backup-simplify:  Simplify (* (/ -1 d) (/ -1 d)) into (/ 1 (sqr d))
* [misc]backup-simplify:  Simplify (+ (/ 1 (sqr c)) (/ 1 (sqr d))) into (+ (/ 1 (sqr d)) (/ 1 (sqr c)))
* [misc]backup-simplify:  Simplify (/ (- (/ 1 d)) (+ (/ 1 (sqr d)) (/ 1 (sqr c)))) into (/ -1 (* d (+ (/ 1 (sqr d)) (/ 1 (sqr c)))))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 1 (- d)))) (+ (sqr (/ 1 (- c))) (sqr (/ 1 (- d))))) in c
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 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 (- a)) (/ 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 (- 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 (+ (sqr (/ 1 (- c))) (sqr (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- c))) 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 (sqr (/ 1 (- d))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in c
* [misc]taylor:  Taking taylor expansion of (- d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]backup-simplify:  Simplify (* (/ -1 b) -1) into (/ 1 b)
* [misc]backup-simplify:  Simplify (+ (/ 1 b) 0) into (/ 1 b)
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (/ 1 b) 1) into (/ 1 b)
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 1 (- d)))) (+ (sqr (/ 1 (- c))) (sqr (/ 1 (- d))))) in b
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 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 (- a)) (/ 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 (- 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 (+ (sqr (/ 1 (- c))) (sqr (/ 1 (- d)))) in b
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- c))) 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 (sqr (/ 1 (- d))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in b
* [misc]taylor:  Taking taylor expansion of (- d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]backup-simplify:  Simplify (* -1 (/ -1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 c) 0) into (/ 1 c)
* [misc]backup-simplify:  Simplify (* (/ -1 c) (/ -1 c)) into (/ 1 (sqr c))
* [misc]backup-simplify:  Simplify (* (/ -1 d) (/ -1 d)) into (/ 1 (sqr d))
* [misc]backup-simplify:  Simplify (+ (/ 1 (sqr c)) (/ 1 (sqr d))) into (+ (/ 1 (sqr d)) (/ 1 (sqr c)))
* [misc]backup-simplify:  Simplify (/ (/ 1 c) (+ (/ 1 (sqr d)) (/ 1 (sqr c)))) into (/ 1 (* c (+ (/ 1 (sqr d)) (/ 1 (sqr c)))))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 1 (- d)))) (+ (sqr (/ 1 (- c))) (sqr (/ 1 (- d))))) in b
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 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 (- a)) (/ 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 (- 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 (+ (sqr (/ 1 (- c))) (sqr (/ 1 (- d)))) in b
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- c))) 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 (sqr (/ 1 (- d))) in b
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in b
* [misc]taylor:  Taking taylor expansion of (- d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]backup-simplify:  Simplify (* -1 (/ -1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 c) 0) into (/ 1 c)
* [misc]backup-simplify:  Simplify (* (/ -1 c) (/ -1 c)) into (/ 1 (sqr c))
* [misc]backup-simplify:  Simplify (* (/ -1 d) (/ -1 d)) into (/ 1 (sqr d))
* [misc]backup-simplify:  Simplify (+ (/ 1 (sqr c)) (/ 1 (sqr d))) into (+ (/ 1 (sqr d)) (/ 1 (sqr c)))
* [misc]backup-simplify:  Simplify (/ (/ 1 c) (+ (/ 1 (sqr d)) (/ 1 (sqr c)))) into (/ 1 (* c (+ (/ 1 (sqr d)) (/ 1 (sqr c)))))
* [misc]taylor:  Taking taylor expansion of (/ 1 (* c (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) in c
* [misc]taylor:  Taking taylor expansion of (* c (+ (/ 1 (sqr d)) (/ 1 (sqr 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]taylor:  Taking taylor expansion of (+ (/ 1 (sqr d)) (/ 1 (sqr c))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d)) in c
* [misc]taylor:  Taking taylor expansion of (sqr d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (* d d) into (sqr d)
* [misc]backup-simplify:  Simplify (/ 1 (sqr d)) into (/ 1 (sqr d))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr c)) in c
* [misc]taylor:  Taking taylor expansion of (sqr 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 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* 0 1) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 1)) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 1 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 c))) into 0
* [misc]backup-simplify:  Simplify (* (/ -1 a) (/ -1 d)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (- (/ 1 (* d a))) into (- (/ 1 (* d a)))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 (* d a)))) into (- (/ 1 (* d a)))
* [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 (+ (* (/ -1 c) 0) (* 0 (/ -1 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 (+ (* (/ -1 d) 0) (* 0 (/ -1 d))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ (- (/ 1 (* d a))) (+ (/ 1 (sqr d)) (/ 1 (sqr c)))) (+ (* (/ 1 (* c (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c))))))) into (- (/ 1 (* d (* a (+ (/ 1 (sqr d)) (/ 1 (sqr c)))))))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d (* a (+ (/ 1 (sqr d)) (/ 1 (sqr c))))))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d (* a (+ (/ 1 (sqr d)) (/ 1 (sqr c)))))) in c
* [misc]taylor:  Taking taylor expansion of (* d (* a (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (* a (+ (/ 1 (sqr d)) (/ 1 (sqr c)))) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (sqr d)) (/ 1 (sqr c))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d)) in c
* [misc]taylor:  Taking taylor expansion of (sqr d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (* d d) into (sqr d)
* [misc]backup-simplify:  Simplify (/ 1 (sqr d)) into (/ 1 (sqr d))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr c)) in c
* [misc]taylor:  Taking taylor expansion of (sqr 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 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* a 1) into a
* [misc]backup-simplify:  Simplify (* d a) into (* d a)
* [misc]backup-simplify:  Simplify (/ 1 (* d a)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 (sqr d)) 0) into (/ 1 (sqr d))
* [misc]backup-simplify:  Simplify (+ (* 0 (/ 1 (sqr d))) (+ (* 1 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [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 (- 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 (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 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) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 a) 0) (* 0 (/ -1 d))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 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 (+ (* (/ -1 c) 0) (+ (* 0 0) (* 0 (/ -1 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 (+ (* (/ -1 d) 0) (+ (* 0 0) (* 0 (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c)))) (+ (* (/ 1 (* c (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) (* (- (/ 1 (* d (* a (+ (/ 1 (sqr d)) (/ 1 (sqr c))))))) (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c))))))) 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 a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 1 (* d a))) into (- (/ 1 (* d a)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d a)) in a
* [misc]taylor:  Taking taylor expansion of (* d a) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* d 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d 1) (* 0 0)) into d
* [misc]backup-simplify:  Simplify (/ 1 d) 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 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (* 0 d)) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr d)) (/ 0 (sqr d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 (/ 1 (sqr d))) (+ (* 0 0) (* 0 1)))) into (/ 1 (sqr d))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ (/ 1 (sqr d)) 1)) (* 0 (/ 0 1)))) into (- (/ 1 (sqr d)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (sqr d))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d)) in a
* [misc]taylor:  Taking taylor expansion of (sqr d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (* d d) into (sqr d)
* [misc]backup-simplify:  Simplify (/ 1 (sqr d)) into (/ 1 (sqr d))
* [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]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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))) (* 0 (/ 0 (- c))) (* 0 (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 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) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))) (* 0 (/ 0 (- a))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 a) 0) (+ (* 0 0) (* 0 (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [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))) (* 0 (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 c) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))) (* 0 (/ 0 (- d))) (* 0 (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c)))) (+ (* (/ 1 (* c (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) (* (- (/ 1 (* d (* a (+ (/ 1 (sqr d)) (/ 1 (sqr c))))))) (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c))))) (* 0 (/ 0 (+ (/ 1 (sqr d)) (/ 1 (sqr c))))))) 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 a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* a 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (* 0 a)) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d a)) (/ 0 (* d a))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (* 0 d))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr d)) (/ 0 (sqr d))) (* 0 (/ 0 (sqr d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (/ 1 (sqr d))) (+ (* 0 0) (* 0 1))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ (/ 1 (sqr d)) 1)) (* (- (/ 1 (sqr d))) (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* * * * [misc]progress:  [ 2 / 3 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (- (* b c) (* a d)) in (b c a d) around 0
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 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) (* a 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 (* a 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 d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (* 0 c) into 0
* [misc]backup-simplify:  Simplify (* a d) into (* d a)
* [misc]backup-simplify:  Simplify (- (* d a)) into (- (* d a))
* [misc]backup-simplify:  Simplify (+ 0 (- (* d a))) into (- (* d a))
* [misc]taylor:  Taking taylor expansion of (- (* d a)) in c
* [misc]taylor:  Taking taylor expansion of (* d a) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (* d a) into (* d a)
* [misc]backup-simplify:  Simplify (- (* d a)) into (- (* d a))
* [misc]taylor:  Taking taylor expansion of (- (* d a)) in a
* [misc]taylor:  Taking taylor expansion of (* d a) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* d 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 0) (* 1 c)) into c
* [misc]backup-simplify:  Simplify (+ (* a 0) (* 0 d)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ c 0) into 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 0 in a
* [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 (+ (* d 0) (* 0 a)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 1) (* 0 0)) into d
* [misc]backup-simplify:  Simplify (- d) into (- 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 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 c))) into 0
* [misc]backup-simplify:  Simplify (+ (* a 0) (+ (* 0 0) (* 0 d))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]approximate:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 1 d))) in (b c a d) around 0
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 a) (/ 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 a) (/ 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 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 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 a) (/ 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 a) (/ 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 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 c) 0) into (/ 1 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 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 c))) into 0
* [misc]backup-simplify:  Simplify (* (/ 1 a) (/ 1 d)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (- (/ 1 (* d a))) into (- (/ 1 (* d a)))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 (* d a)))) into (- (/ 1 (* d a)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d a))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d a)) in c
* [misc]taylor:  Taking taylor expansion of (* d a) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (* d a) into (* d a)
* [misc]backup-simplify:  Simplify (/ 1 (* d a)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 a) 0) (* 0 (/ 1 d))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 1 (* d a))) into (- (/ 1 (* d a)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d a)) in a
* [misc]taylor:  Taking taylor expansion of (* d a) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* d 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d 1) (* 0 0)) into d
* [misc]backup-simplify:  Simplify (/ 1 d) 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]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in 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 c) (/ 0 c)) (* 0 (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 c))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)) (* 0 (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 a) 0) (+ (* 0 0) (* 0 (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (* 0 a)) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d a)) (/ 0 (* d a))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)) (* 0 (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 c)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)) (* 0 (/ 0 a)) (* 0 (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 a) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (* 0 a))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d a)) (/ 0 (* d a))) (* 0 (/ 0 (* d a))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in 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 (+ (* d 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]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 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 c)) (/ 1 (/ 1 b)))))) (* -1 (* (/ 1 (/ 1 d)) (* (/ 1 (/ 1 a)) (* 1 1))))) into (- (* b c) (* d a))
* [misc]approximate:  Taking taylor expansion of (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 1 (- d)))) in (b c a d) around 0
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 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 (- a)) (/ 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 (- 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 (- a)) (/ 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 (- a)) (/ 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 (- 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 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 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 (- a)) (/ 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 (- 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 (- a)) (/ 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 (- a)) (/ 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 (- 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 (- a)) (/ 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 (- a)) (/ 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 (- 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 (/ -1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 c) 0) into (/ 1 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 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [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 (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 c))) into 0
* [misc]backup-simplify:  Simplify (* (/ -1 a) (/ -1 d)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (- (/ 1 (* d a))) into (- (/ 1 (* d a)))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 (* d a)))) into (- (/ 1 (* d a)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d a))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d a)) in c
* [misc]taylor:  Taking taylor expansion of (* d a) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (* d a) into (* d a)
* [misc]backup-simplify:  Simplify (/ 1 (* d a)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [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 (- 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 (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 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) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 a) 0) (* 0 (/ -1 d))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 1 (* d a))) into (- (/ 1 (* d a)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d a)) in a
* [misc]taylor:  Taking taylor expansion of (* d a) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* d 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d 1) (* 0 0)) into d
* [misc]backup-simplify:  Simplify (/ 1 d) 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]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in 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 (- 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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))) (* 0 (/ 0 (- c))) (* 0 (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 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) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))) (* 0 (/ 0 (- a))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 a) 0) (+ (* 0 0) (* 0 (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (* 0 a)) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d a)) (/ 0 (* d a))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 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 (- 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))) (* 0 (/ 0 (- c))) (* 0 (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))) (* 0 (/ 0 (- d))) (* 0 (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))) (* 0 (/ 0 (- a))) (* 0 (/ 0 (- a))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 a) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (* 0 a))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d a)) (/ 0 (* d a))) (* 0 (/ 0 (* d a))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in 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 (+ (* d 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]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 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 (- c))) (/ 1 (/ 1 (- b))))))) (* -1 (* (/ 1 (/ 1 (- d))) (* (/ 1 (/ 1 (- a))) (* 1 1))))) into (- (* b c) (* d a))
* * * * [misc]progress:  [ 3 / 3 ] generating series at (2 2)
* [misc]approximate:  Taking taylor expansion of (+ (sqr c) (sqr d)) in (c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ (sqr c) (sqr d)) in d
* [misc]taylor:  Taking taylor expansion of (sqr c) in d
* [misc]taylor:  Taking taylor expansion of c in d
* [misc]backup-simplify:  Simplify c into c
* [misc]taylor:  Taking taylor expansion of (sqr 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]taylor:  Taking taylor expansion of (+ (sqr c) (sqr d)) in c
* [misc]taylor:  Taking taylor expansion of (sqr 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]taylor:  Taking taylor expansion of (sqr d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (+ (sqr c) (sqr d)) in c
* [misc]taylor:  Taking taylor expansion of (sqr 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]taylor:  Taking taylor expansion of (sqr d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (* d d) into (sqr d)
* [misc]backup-simplify:  Simplify (+ 0 (sqr d)) into (sqr d)
* [misc]taylor:  Taking taylor expansion of (sqr 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 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (* 0 d)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (* 0 d))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (+ (* 0 0) (* 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 d))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (sqr (* d 1))) (* 1 (sqr (* 1 c)))) into (+ (sqr d) (sqr c))
* [misc]approximate:  Taking taylor expansion of (+ (sqr (/ 1 c)) (sqr (/ 1 d))) in (c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 c)) (sqr (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 c)) 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 (sqr (/ 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]taylor:  Taking taylor expansion of (+ (sqr (/ 1 c)) (sqr (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 c)) 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 (sqr (/ 1 d)) 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 (+ (sqr (/ 1 c)) (sqr (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 c)) 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 (sqr (/ 1 d)) 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]backup-simplify:  Simplify (* 1 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 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (* (/ 1 d) (/ 1 d)) into (/ 1 (sqr d))
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 (sqr d))) into (/ 1 (sqr d))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d)) in d
* [misc]taylor:  Taking taylor expansion of (sqr 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 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d) 0) (* 0 (/ 1 d))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d) 0) (+ (* 0 0) (* 0 (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (sqr (* 1 (/ 1 (/ 1 c))))) (* 1 (sqr (* (/ 1 (/ 1 d)) 1)))) into (+ (sqr d) (sqr c))
* [misc]approximate:  Taking taylor expansion of (+ (sqr (/ 1 (- c))) (sqr (/ 1 (- d)))) in (c d) around 0
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 (- c))) (sqr (/ 1 (- d)))) in d
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- c))) 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 (sqr (/ 1 (- d))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in d
* [misc]taylor:  Taking taylor expansion of (- d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 (- c))) (sqr (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- c))) 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 (sqr (/ 1 (- d))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in c
* [misc]taylor:  Taking taylor expansion of (- d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (+ (sqr (/ 1 (- c))) (sqr (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (sqr (/ 1 (- c))) 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 (sqr (/ 1 (- d))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in c
* [misc]taylor:  Taking taylor expansion of (- d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]backup-simplify:  Simplify (* -1 -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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (* (/ -1 d) (/ -1 d)) into (/ 1 (sqr d))
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 (sqr d))) into (/ 1 (sqr d))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d)) in d
* [misc]taylor:  Taking taylor expansion of (sqr 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 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d) 0) (* 0 (/ -1 d))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1))))) 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 (+ (* (/ -1 d) 0) (+ (* 0 0) (* 0 (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (sqr (* 1 (/ 1 (/ 1 (- c)))))) (* 1 (sqr (* (/ 1 (/ 1 (- d))) 1)))) into (+ (sqr d) (sqr c))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 3 ] rewriting at (2)
* * * * [misc]progress:  [ 2 / 3 ] rewriting at (2 1)
* * * * [misc]progress:  [ 3 / 3 ] rewriting at (2 2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 68 ] simplifiying candidate #<alt-event (λ (a b c d) 0)>
* [enter]simplify:  Simplifying 0
* * [misc]simplify:  iters left: 0 (1 enodes)
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 2 / 68 ] simplifiying candidate #<alt-event (λ (a b c d) 0)>
* [enter]simplify:  Simplifying 0
* * [misc]simplify:  iters left: 0 (1 enodes)
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 3 / 68 ] simplifiying candidate #<alt-event (λ (a b c d) 0)>
* [enter]simplify:  Simplifying 0
* * [misc]simplify:  iters left: 0 (1 enodes)
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 4 / 68 ] simplifiying candidate #<alt-event (λ (a b c d) (/ 0 (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (/ 0 (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 5 / 68 ] simplifiying candidate #<alt-event (λ (a b c d) (/ (- (* b c) (* d a)) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* d a)) (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* a d)) (fma c c (* d d)))
* * * * [misc]progress:  [ 6 / 68 ] simplifiying candidate #<alt-event (λ (a b c d) (/ (- (* b c) (* d a)) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* d a)) (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* a d)) (fma c c (* d d)))
* * * * [misc]progress:  [ 7 / 68 ] simplifiying candidate #<alt-event (λ (a b c d) (/ (- (* b c) (* a d)) (+ (sqr d) (sqr c))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (+ (sqr d) (sqr c)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (fma d d (* c c)))
* * * * [misc]progress:  [ 8 / 68 ] simplifiying candidate #<alt-event (λ (a b c d) (/ (- (* b c) (* a d)) (+ (sqr d) (sqr c))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (+ (sqr d) (sqr c)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (fma d d (* c c)))
* * * * [misc]progress:  [ 9 / 68 ] simplifiying candidate #<alt-event (λ (a b c d) (/ (- (* b c) (* a d)) (+ (sqr d) (sqr c))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (+ (sqr d) (sqr c)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (fma d d (* c c)))
* * * * [misc]progress:  [ 10 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (log1p (expm1 (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (expm1 (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* [exit]simplify:  Simplified to (expm1 (/ (- (* c b) (* d a)) (fma d d (* c c))))
* [exit]simplify:  Simplified to (expm1 (/ (- (* c b) (* d a)) (fma d d (* c c))))
* * * * [misc]progress:  [ 11 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (expm1 (log1p (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (log1p (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* [exit]simplify:  Simplified to (log1p (/ (- (* c b) (* d a)) (fma d d (* c c))))
* [exit]simplify:  Simplified to (log1p (/ (- (* c b) (* d a)) (fma d d (* c c))))
* * * * [misc]progress:  [ 12 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (pow (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))) 1))>
* * * * [misc]progress:  [ 13 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (exp (- (log (- (* b c) (* a d))) (log (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (- (log (- (* b c) (* a d))) (log (+ (sqr c) (sqr d))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (20 enodes)
* [exit]simplify:  Simplified to (- (log (- (* c b) (* d a))) (log (fma d d (* c c))))
* [exit]simplify:  Simplified to (- (log (- (* c b) (* d a))) (log (fma d d (* c c))))
* * * * [misc]progress:  [ 14 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (exp (log (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (log (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (33 enodes)
* * [misc]simplify:  iters left: 3 (41 enodes)
* * [misc]simplify:  iters left: 2 (45 enodes)
* [exit]simplify:  Simplified to (log (/ (- (* c b) (* d a)) (fma d d (* c c))))
* [exit]simplify:  Simplified to (log (/ (- (* c b) (* d a)) (fma d d (* c c))))
* * * * [misc]progress:  [ 15 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (log (exp (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (exp (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (33 enodes)
* * [misc]simplify:  iters left: 3 (41 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* [exit]simplify:  Simplified to (exp (/ (- (* c b) (* d a)) (fma d d (* c c))))
* [exit]simplify:  Simplified to (exp (/ (- (* c b) (* d a)) (fma d d (* c c))))
* * * * [misc]progress:  [ 16 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (cbrt (/ (cube (- (* b c) (* a d))) (cube (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (/ (cube (- (* b c) (* a d))) (cube (+ (sqr c) (sqr d))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (100 enodes)
* * [misc]simplify:  iters left: 2 (269 enodes)
* [exit]simplify:  Simplified to (cube (/ (- (* c b) (* d a)) (fma d d (* c c))))
* [exit]simplify:  Simplified to (cube (/ (- (* c b) (* d a)) (fma d d (* c c))))
* * * * [misc]progress:  [ 17 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (cube (cbrt (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (cbrt (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (- (* c b) (* d a)) (fma d d (* c c))))
* [exit]simplify:  Simplified to (cbrt (/ (- (* c b) (* d a)) (fma d d (* c c))))
* * * * [misc]progress:  [ 18 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (cbrt (cube (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (cube (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (45 enodes)
* * [misc]simplify:  iters left: 3 (67 enodes)
* * [misc]simplify:  iters left: 2 (138 enodes)
* * [misc]simplify:  iters left: 1 (311 enodes)
* [exit]simplify:  Simplified to (cube (/ (- (* c b) (* d a)) (fma d d (* c c))))
* [exit]simplify:  Simplified to (cube (/ (- (* c b) (* d a)) (fma d d (* c c))))
* * * * [misc]progress:  [ 19 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (cube (/ (cbrt (- (* b c) (* a d))) (cbrt (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (/ (cbrt (- (* b c) (* a d))) (cbrt (+ (sqr c) (sqr d))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (20 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- (* c b) (* d a))) (cbrt (fma d d (* c c))))
* [exit]simplify:  Simplified to (/ (cbrt (- (* c b) (* d a))) (cbrt (fma d d (* c c))))
* * * * [misc]progress:  [ 20 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (sqr (sqrt (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (sqrt (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- (* c b) (* d a)) (fma d d (* c c))))
* [exit]simplify:  Simplified to (sqrt (/ (- (* c b) (* d a)) (fma d d (* c c))))
* * * * [misc]progress:  [ 21 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (sqr (/ (sqrt (- (* b c) (* a d))) (sqrt (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (/ (sqrt (- (* b c) (* a d))) (sqrt (+ (sqr c) (sqr d))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- (* c b) (* d a))) (hypot c d))
* [exit]simplify:  Simplified to (/ (sqrt (- (* c b) (* d a))) (hypot c d))
* * * * [misc]progress:  [ 22 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (- (* b c) (* a d))) (- (+ (sqr c) (sqr d)))))>
* [enter]simplify:  Simplifying (- (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (- (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (- (- (* c b) (* d a)))
* [enter]simplify:  Simplifying (- (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (25 enodes)
* [exit]simplify:  Simplified to (- (fma d d (sqr c)))
* [exit]simplify:  Simplified to (- (fma d d (sqr c)))
* * * * [misc]progress:  [ 23 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (+ (sqr c) (sqr d))) (/ (* a d) (+ (sqr c) (sqr d)))))>
* [enter]simplify:  Simplifying (/ (* b c) (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (23 enodes)
* [exit]simplify:  Simplified to (/ (* c b) (fma d d (* c c)))
* [exit]simplify:  Simplified to (/ (* c b) (fma d d (* c c)))
* [enter]simplify:  Simplifying (/ (* a d) (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (23 enodes)
* [exit]simplify:  Simplified to (/ (* d a) (fma c c (* d d)))
* [exit]simplify:  Simplified to (/ (* d a) (fma c c (* d d)))
* * * * [misc]progress:  [ 24 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ 1 1) (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d)))))>
* [enter]simplify:  Simplifying (/ 1 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (fma d d (* c c)))
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (fma d d (* c c)))
* * * * [misc]progress:  [ 25 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ 1 1) (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d)))))>
* [enter]simplify:  Simplifying (/ 1 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (fma d d (* c c)))
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (fma d d (* c c)))
* * * * [misc]progress:  [ 26 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (+ (sqrt (* b c)) (sqrt (* a d))) 1) (/ (- (sqrt (* b c)) (sqrt (* a d))) (+ (sqr c) (sqr d)))))>
* [enter]simplify:  Simplifying (/ (+ (sqrt (* b c)) (sqrt (* a d))) 1)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* [exit]simplify:  Simplified to (/ (+ (sqrt (* c b)) (sqrt (* a d))) 1)
* [exit]simplify:  Simplified to (/ (+ (sqrt (* c b)) (sqrt (* a d))) 1)
* [enter]simplify:  Simplifying (/ (- (sqrt (* b c)) (sqrt (* a d))) (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* [exit]simplify:  Simplified to (/ (- (sqrt (* c b)) (sqrt (* a d))) (fma d d (* c c)))
* [exit]simplify:  Simplified to (/ (- (sqrt (* c b)) (sqrt (* a d))) (fma d d (* c c)))
* * * * [misc]progress:  [ 27 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (+ (sqrt (* b c)) (sqrt (* a d))) 1) (/ (- (sqrt (* b c)) (sqrt (* a d))) (+ (sqr c) (sqr d)))))>
* [enter]simplify:  Simplifying (/ (+ (sqrt (* b c)) (sqrt (* a d))) 1)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* [exit]simplify:  Simplified to (/ (+ (sqrt (* c b)) (sqrt (* a d))) 1)
* [exit]simplify:  Simplified to (/ (+ (sqrt (* c b)) (sqrt (* a d))) 1)
* [enter]simplify:  Simplifying (/ (- (sqrt (* b c)) (sqrt (* a d))) (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* [exit]simplify:  Simplified to (/ (- (sqrt (* c b)) (sqrt (* a d))) (fma d d (* c c)))
* [exit]simplify:  Simplified to (/ (- (sqrt (* c b)) (sqrt (* a d))) (fma d d (* c c)))
* * * * [misc]progress:  [ 28 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (* 1 (/ (- (* b c) (* a d)) (+ (sqr c) (sqr d)))))>
* * * * [misc]progress:  [ 29 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (- (* b c) (* a d)) (/ 1 (+ (sqr c) (sqr d)))))>
* [enter]simplify:  Simplifying (/ 1 (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* [exit]simplify:  Simplified to (/ 1 (fma c c (* d d)))
* [exit]simplify:  Simplified to (/ 1 (fma c c (* d d)))
* * * * [misc]progress:  [ 30 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ 1 (/ (+ (sqr c) (sqr d)) (- (* b c) (* a d)))))>
* [enter]simplify:  Simplifying (/ (+ (sqr c) (sqr d)) (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* [exit]simplify:  Simplified to (/ (fma d d (sqr c)) (- (* c b) (* a d)))
* [exit]simplify:  Simplified to (/ (fma d d (sqr c)) (- (* c b) (* a d)))
* * * * [misc]progress:  [ 31 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (/ (- (* b c) (* a d)) 1) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) 1)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) 1)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) 1)
* * * * [misc]progress:  [ 32 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (/ (- (* b c) (* a d)) 1) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) 1)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) 1)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) 1)
* * * * [misc]progress:  [ 33 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ 1 (/ (+ (sqr c) (sqr d)) (- (* b c) (* a d)))))>
* [enter]simplify:  Simplifying (/ (+ (sqr c) (sqr d)) (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* [exit]simplify:  Simplified to (/ (fma d d (sqr c)) (- (* c b) (* a d)))
* [exit]simplify:  Simplified to (/ (fma d d (sqr c)) (- (* c b) (* a d)))
* * * * [misc]progress:  [ 34 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (+ (sqrt (* b c)) (sqrt (* a d))) (/ (+ (sqr c) (sqr d)) (- (sqrt (* b c)) (sqrt (* a d))))))>
* [enter]simplify:  Simplifying (/ (+ (sqr c) (sqr d)) (- (sqrt (* b c)) (sqrt (* a d))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (20 enodes)
* [exit]simplify:  Simplified to (/ (fma d d (sqr c)) (- (sqrt (* c b)) (sqrt (* a d))))
* [exit]simplify:  Simplified to (/ (fma d d (sqr c)) (- (sqrt (* c b)) (sqrt (* a d))))
* * * * [misc]progress:  [ 35 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (- (* b c) (* a d)) (- (pow (sqr c) 3) (pow (sqr d) 3))) (+ (sqr (sqr c)) (- (sqr (sqr d)) (* (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (- (pow (sqr c) 3) (pow (sqr d) 3)))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (71 enodes)
* * [misc]simplify:  iters left: 2 (109 enodes)
* * [misc]simplify:  iters left: 1 (174 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (- (cube (* c c)) (* (cube d) (cube d))))
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (- (cube (* c c)) (* (cube d) (cube d))))
* * * * [misc]progress:  [ 36 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (- (* b c) (* a d)) (- (sqr (sqr c)) (sqr (sqr d)))) (- (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (- (sqr (sqr c)) (sqr (sqr d))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (61 enodes)
* * [misc]simplify:  iters left: 3 (119 enodes)
* * [misc]simplify:  iters left: 2 (181 enodes)
* * [misc]simplify:  iters left: 1 (433 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (- (* (* c c) (* c c)) (* (* d d) (* d d))))
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (- (* (* c c) (* c c)) (* (* d d) (* d d))))
* * * * [misc]progress:  [ 37 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (pow (* b c) 3) (pow (* a d) 3)) (* (+ (sqr c) (sqr d)) (+ (sqr (* b c)) (+ (sqr (* a d)) (* (* b c) (* a d)))))))>
* [enter]simplify:  Simplifying (* (+ (sqr c) (sqr d)) (+ (sqr (* b c)) (+ (sqr (* a d)) (* (* b c) (* a d)))))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (38 enodes)
* * [misc]simplify:  iters left: 4 (103 enodes)
* * [misc]simplify:  iters left: 3 (279 enodes)
* [exit]simplify:  Simplified to (* (fma d d (sqr c)) (fma (* a d) (fma d a (* c b)) (sqr (* c b))))
* [exit]simplify:  Simplified to (* (fma d d (sqr c)) (fma (* a d) (fma d a (* c b)) (sqr (* c b))))
* * * * [misc]progress:  [ 38 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (sqr (* b c)) (sqr (* a d))) (* (+ (sqr c) (sqr d)) (+ (* b c) (* a d)))))>
* [enter]simplify:  Simplifying (* (+ (sqr c) (sqr d)) (+ (* b c) (* a d)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (74 enodes)
* * [misc]simplify:  iters left: 3 (164 enodes)
* * [misc]simplify:  iters left: 2 (307 enodes)
* [exit]simplify:  Simplified to (* (fma c b (* a d)) (fma d d (sqr c)))
* [exit]simplify:  Simplified to (* (fma c b (* a d)) (fma d d (sqr c)))
* * * * [misc]progress:  [ 39 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (log1p (expm1 (- (* b c) (* a d)))) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (expm1 (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (expm1 (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (expm1 (- (* c b) (* d a)))
* * * * [misc]progress:  [ 40 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (expm1 (log1p (- (* b c) (* a d)))) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (log1p (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (log1p (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (log1p (- (* c b) (* d a)))
* * * * [misc]progress:  [ 41 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (log (/ (exp (* b c)) (exp (* a d)))) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (/ (exp (* b c)) (exp (* a d)))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* [exit]simplify:  Simplified to (exp (- (* c b) (* a d)))
* [exit]simplify:  Simplified to (exp (- (* c b) (* a d)))
* * * * [misc]progress:  [ 42 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (pow (- (* b c) (* a d)) 1) (+ (sqr c) (sqr d))))>
* * * * [misc]progress:  [ 43 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (exp (log (- (* b c) (* a d)))) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (log (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (log (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (log (- (* c b) (* d a)))
* * * * [misc]progress:  [ 44 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (log (exp (- (* b c) (* a d)))) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (exp (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* [exit]simplify:  Simplified to (exp (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (exp (- (* c b) (* d a)))
* * * * [misc]progress:  [ 45 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (cube (cbrt (- (* b c) (* a d)))) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (cbrt (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (cbrt (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (cbrt (- (* c b) (* d a)))
* * * * [misc]progress:  [ 46 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (cbrt (cube (- (* b c) (* a d)))) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (cube (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* [exit]simplify:  Simplified to (cube (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (cube (- (* c b) (* d a)))
* * * * [misc]progress:  [ 47 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (sqr (sqrt (- (* b c) (* a d)))) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (sqrt (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (sqrt (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (sqrt (- (* c b) (* d a)))
* * * * [misc]progress:  [ 48 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (+ (* b c) (- (* a d))) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (- (* a d))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (* a (- d))
* [exit]simplify:  Simplified to (* a (- d))
* * * * [misc]progress:  [ 49 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (* 1 (- (* b c) (* a d))) (+ (sqr c) (sqr d))))>
* * * * [misc]progress:  [ 50 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (/ (- (pow (* b c) 3) (pow (* a d) 3)) (+ (sqr (* b c)) (+ (sqr (* a d)) (* (* b c) (* a d))))) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (- (pow (* b c) 3) (pow (* a d) 3))
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (66 enodes)
* [exit]simplify:  Simplified to (- (cube (* c b)) (cube (* d a)))
* [exit]simplify:  Simplified to (- (cube (* c b)) (cube (* d a)))
* [enter]simplify:  Simplifying (+ (sqr (* b c)) (+ (sqr (* a d)) (* (* b c) (* a d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (116 enodes)
* * [misc]simplify:  iters left: 2 (213 enodes)
* * [misc]simplify:  iters left: 1 (299 enodes)
* [exit]simplify:  Simplified to (fma (* c b) (fma a d (* c b)) (sqr (* a d)))
* [exit]simplify:  Simplified to (fma (* c b) (fma a d (* c b)) (sqr (* a d)))
* * * * [misc]progress:  [ 51 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (/ (- (sqr (* b c)) (sqr (* a d))) (+ (* b c) (* a d))) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (- (sqr (* b c)) (sqr (* a d)))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (58 enodes)
* * [misc]simplify:  iters left: 1 (86 enodes)
* [exit]simplify:  Simplified to (- (* (* c b) (* c b)) (sqr (* a d)))
* [exit]simplify:  Simplified to (- (* (* c b) (* c b)) (sqr (* a d)))
* [enter]simplify:  Simplifying (+ (* b c) (* a d))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (14 enodes)
* [exit]simplify:  Simplified to (fma c b (* d a))
* [exit]simplify:  Simplified to (fma c b (* d a))
* * * * [misc]progress:  [ 52 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (* (+ (sqrt (* b c)) (sqrt (* a d))) (- (sqrt (* b c)) (sqrt (* a d)))) (+ (sqr c) (sqr d))))>
* [enter]simplify:  Simplifying (+ (sqrt (* b c)) (sqrt (* a d)))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* [exit]simplify:  Simplified to (+ (sqrt (* c b)) (sqrt (* a d)))
* [exit]simplify:  Simplified to (+ (sqrt (* c b)) (sqrt (* a d)))
* [enter]simplify:  Simplifying (- (sqrt (* b c)) (sqrt (* a d)))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (- (sqrt (* c b)) (sqrt (* a d)))
* [exit]simplify:  Simplified to (- (sqrt (* c b)) (sqrt (* a d)))
* * * * [misc]progress:  [ 53 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (log1p (expm1 (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (expm1 (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* [exit]simplify:  Simplified to (expm1 (fma d d (sqr c)))
* [exit]simplify:  Simplified to (expm1 (fma d d (sqr c)))
* * * * [misc]progress:  [ 54 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (expm1 (log1p (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (log1p (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* [exit]simplify:  Simplified to (log1p (fma d d (sqr c)))
* [exit]simplify:  Simplified to (log1p (fma d d (sqr c)))
* * * * [misc]progress:  [ 55 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (fma c c (sqr d))))>
* * * * [misc]progress:  [ 56 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (fma 1 (sqr c) (sqr d))))>
* * * * [misc]progress:  [ 57 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (log (* (exp (sqr c)) (exp (sqr d))))))>
* [enter]simplify:  Simplifying (* (exp (sqr c)) (exp (sqr d)))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* * [misc]simplify:  iters left: 1 (20 enodes)
* [exit]simplify:  Simplified to (exp (fma d d (sqr c)))
* [exit]simplify:  Simplified to (exp (fma d d (sqr c)))
* * * * [misc]progress:  [ 58 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (pow (+ (sqr c) (sqr d)) 1)))>
* * * * [misc]progress:  [ 59 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (exp (log (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (log (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* [exit]simplify:  Simplified to (log (fma d d (sqr c)))
* [exit]simplify:  Simplified to (log (fma d d (sqr c)))
* * * * [misc]progress:  [ 60 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (log (exp (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (exp (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* [exit]simplify:  Simplified to (exp (fma d d (sqr c)))
* [exit]simplify:  Simplified to (exp (fma d d (sqr c)))
* * * * [misc]progress:  [ 61 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (cube (cbrt (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (cbrt (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* [exit]simplify:  Simplified to (cbrt (fma d d (sqr c)))
* [exit]simplify:  Simplified to (cbrt (fma d d (sqr c)))
* * * * [misc]progress:  [ 62 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (cbrt (cube (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (cube (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (23 enodes)
* * [misc]simplify:  iters left: 1 (71 enodes)
* [exit]simplify:  Simplified to (cube (fma d d (sqr c)))
* [exit]simplify:  Simplified to (cube (fma d d (sqr c)))
* * * * [misc]progress:  [ 63 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (sqr (sqrt (+ (sqr c) (sqr d))))))>
* [enter]simplify:  Simplifying (sqrt (+ (sqr c) (sqr d)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* [exit]simplify:  Simplified to (hypot c d)
* [exit]simplify:  Simplified to (hypot c d)
* * * * [misc]progress:  [ 64 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (* 1 (+ (sqr c) (sqr d)))))>
* * * * [misc]progress:  [ 65 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (/ (- (pow (sqr c) 3) (pow (sqr d) 3)) (+ (sqr (sqr c)) (- (sqr (sqr d)) (* (sqr c) (sqr d)))))))>
* [enter]simplify:  Simplifying (- (pow (sqr c) 3) (pow (sqr d) 3))
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (20 enodes)
* * [misc]simplify:  iters left: 1 (32 enodes)
* [exit]simplify:  Simplified to (* (+ (cube c) (cube d)) (- (cube c) (cube d)))
* [exit]simplify:  Simplified to (* (+ (cube c) (cube d)) (- (cube c) (cube d)))
* [enter]simplify:  Simplifying (+ (sqr (sqr c)) (- (sqr (sqr d)) (* (sqr c) (sqr d))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (55 enodes)
* * [misc]simplify:  iters left: 2 (78 enodes)
* * [misc]simplify:  iters left: 1 (110 enodes)
* [exit]simplify:  Simplified to (fma (sqr c) (- (sqr c) (* d d)) (* (* d d) (* d d)))
* [exit]simplify:  Simplified to (fma (sqr c) (- (sqr c) (* d d)) (* (* d d) (* d d)))
* * * * [misc]progress:  [ 66 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (/ (- (sqr (sqr c)) (sqr (sqr d))) (- (sqr c) (sqr d)))))>
* [enter]simplify:  Simplifying (- (sqr (sqr c)) (sqr (sqr d)))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (41 enodes)
* [exit]simplify:  Simplified to (- (* (sqr c) (sqr c)) (* (* d d) (* d d)))
* [exit]simplify:  Simplified to (- (* (sqr c) (sqr c)) (* (* d d) (* d d)))
* [enter]simplify:  Simplifying (- (sqr c) (sqr d))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (12 enodes)
* [exit]simplify:  Simplified to (- (sqr c) (* d d))
* [exit]simplify:  Simplified to (- (sqr c) (* d d))
* * * * [misc]progress:  [ 67 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (* 1 (+ (sqr c) (sqr d)))))>
* [enter]simplify:  Simplifying (+ (sqr c) (sqr d))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (8 enodes)
* * [misc]simplify:  iters left: 1 (10 enodes)
* [exit]simplify:  Simplified to (fma d d (sqr c))
* [exit]simplify:  Simplified to (fma d d (sqr c))
* * * * [misc]progress:  [ 68 / 68 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (+ (sqr d) (sqr c))))>
* * * [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) (/ (- (* b c) (* a d)) (sqr (hypot c d))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 3 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (/ (- (* b c) (* a d)) (sqr (hypot c d))) in (b c a d) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- (* b c) (* a d)) (sqr (hypot c d))) in d
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in d
* [misc]taylor:  Taking taylor expansion of (hypot c d) in d
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* b c) into (* b c)
* [misc]backup-simplify:  Simplify (* a 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* b c) 0) into (* b c)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ (* b c) (sqr (hypot c d))) into (/ (* b c) (sqr (hypot c d)))
* [misc]taylor:  Taking taylor expansion of (/ (- (* b c) (* a d)) (sqr (hypot c d))) in a
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in a
* [misc]taylor:  Taking taylor expansion of (hypot c d) in a
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* b c) into (* b c)
* [misc]backup-simplify:  Simplify (* 0 d) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* b c) 0) into (* b c)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ (* b c) (sqr (hypot c d))) into (/ (* b c) (sqr (hypot c d)))
* [misc]taylor:  Taking taylor expansion of (/ (- (* b c) (* a d)) (sqr (hypot c d))) in c
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in c
* [misc]taylor:  Taking taylor expansion of (hypot c d) in c
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* b 0) into 0
* [misc]backup-simplify:  Simplify (* a d) into (* d a)
* [misc]backup-simplify:  Simplify (- (* d a)) into (- (* d a))
* [misc]backup-simplify:  Simplify (+ 0 (- (* d a))) into (- (* d a))
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ (- (* d a)) (sqr (hypot c d))) into (* -1 (/ (* d a) (sqr (hypot c d))))
* [misc]taylor:  Taking taylor expansion of (/ (- (* b c) (* a d)) (sqr (hypot c d))) in b
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in b
* [misc]taylor:  Taking taylor expansion of (hypot c d) in b
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* 0 c) into 0
* [misc]backup-simplify:  Simplify (* a d) into (* d a)
* [misc]backup-simplify:  Simplify (- (* d a)) into (- (* d a))
* [misc]backup-simplify:  Simplify (+ 0 (- (* d a))) into (- (* d a))
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ (- (* d a)) (sqr (hypot c d))) into (* -1 (/ (* d a) (sqr (hypot c d))))
* [misc]taylor:  Taking taylor expansion of (/ (- (* b c) (* a d)) (sqr (hypot c d))) in b
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in b
* [misc]taylor:  Taking taylor expansion of (hypot c d) in b
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* 0 c) into 0
* [misc]backup-simplify:  Simplify (* a d) into (* d a)
* [misc]backup-simplify:  Simplify (- (* d a)) into (- (* d a))
* [misc]backup-simplify:  Simplify (+ 0 (- (* d a))) into (- (* d a))
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ (- (* d a)) (sqr (hypot c d))) into (* -1 (/ (* d a) (sqr (hypot c d))))
* [misc]taylor:  Taking taylor expansion of (* -1 (/ (* d a) (sqr (hypot c d)))) in c
* [misc]taylor:  Taking taylor expansion of -1 in c
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of (/ (* d a) (sqr (hypot c d))) in c
* [misc]taylor:  Taking taylor expansion of (* d a) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in c
* [misc]taylor:  Taking taylor expansion of (hypot c d) in c
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* d a) into (* d a)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ (* d a) (sqr (hypot c d))) into (/ (* d a) (sqr (hypot c d)))
* [misc]backup-simplify:  Simplify (* -1 (/ (* d a) (sqr (hypot c d)))) into (* -1 (/ (* d a) (sqr (hypot c d))))
* [misc]taylor:  Taking taylor expansion of (* -1 (/ (* d a) (sqr (hypot c d)))) in a
* [misc]taylor:  Taking taylor expansion of -1 in a
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of (/ (* d a) (sqr (hypot c d))) in a
* [misc]taylor:  Taking taylor expansion of (* d a) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in a
* [misc]taylor:  Taking taylor expansion of (hypot c d) in a
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* d 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d 1) (* 0 0)) into d
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ d (sqr (hypot c d))) into (/ d (sqr (hypot c d)))
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 c)) into c
* [misc]backup-simplify:  Simplify (+ (* a 0) (* 0 d)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ c 0) into c
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (* 0 (hypot c d))) into 0
* [misc]backup-simplify:  Simplify (- (/ c (sqr (hypot c d))) (+ (* (* -1 (/ (* d a) (sqr (hypot c d)))) (/ 0 (sqr (hypot c d)))))) into (/ c (sqr (hypot c d)))
* [misc]taylor:  Taking taylor expansion of (/ c (sqr (hypot 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 (sqr (hypot c d)) in c
* [misc]taylor:  Taking taylor expansion of (hypot c d) in c
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot c d))) into (/ 1 (sqr (hypot c d)))
* [misc]backup-simplify:  Simplify (+ (* d 0) (* 0 a)) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (* 0 (hypot c d))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot c d))) (+ (* (/ (* d a) (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ (* d a) (sqr (hypot c d))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* -1 (/ d (sqr (hypot c d)))) into (* -1 (/ d (sqr (hypot c d))))
* [misc]taylor:  Taking taylor expansion of (* -1 (/ d (sqr (hypot c d)))) in d
* [misc]taylor:  Taking taylor expansion of -1 in d
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of (/ d (sqr (hypot c 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]taylor:  Taking taylor expansion of (sqr (hypot c d)) in d
* [misc]taylor:  Taking taylor expansion of (hypot c d) in d
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot c d))) into (/ 1 (sqr (hypot c d)))
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 c))) into 0
* [misc]backup-simplify:  Simplify (+ (* a 0) (+ (* 0 0) (* 0 d))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (* 0 (hypot c d)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot c d))) (+ (* (* -1 (/ (* d a) (sqr (hypot c d)))) (/ 0 (sqr (hypot c d)))) (* (/ c (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))))) 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 a
* [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 (/ 1 (sqr (hypot c d))) in a
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in a
* [misc]taylor:  Taking taylor expansion of (hypot c d) in a
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot c d))) into (/ 1 (sqr (hypot c d)))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr (hypot c d))) in d
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in d
* [misc]taylor:  Taking taylor expansion of (hypot c d) in d
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot c d))) into (/ 1 (sqr (hypot c d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot c d))) into (/ 1 (sqr (hypot c d)))
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (* 0 a))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (* 0 (hypot c d)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot c d))) (+ (* (/ (* d a) (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))) (* 0 (/ 0 (sqr (hypot c d)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ (* d a) (sqr (hypot c d)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in 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 (+ (* d 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (* 0 (hypot c d))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot c d))) (+ (* (/ d (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ d (sqr (hypot c d))))) 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]backup-simplify:  Simplify (* -1 (/ 1 (sqr (hypot c d)))) into (/ -1 (sqr (hypot c d)))
* [misc]backup-simplify:  Simplify (/ -1 (sqr (hypot c d))) into (/ -1 (sqr (hypot c d)))
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ (* a 0) (+ (* 0 0) (+ (* 0 0) (* 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot c d))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot c d))) (+ (* (* -1 (/ (* d a) (sqr (hypot c d)))) (/ 0 (sqr (hypot c d)))) (* (/ c (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))) (* 0 (/ 0 (sqr (hypot c d)))))) 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 a
* [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 a
* [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 (+ (* (hypot c d) 0) (* 0 (hypot c d))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot c d))) (+ (* (/ 1 (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (+ (* 0 0) (* 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot c d))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot c d))) (+ (* (/ (* d a) (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))) (* 0 (/ 0 (sqr (hypot c d)))) (* 0 (/ 0 (sqr (hypot c d)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ (* d a) (sqr (hypot c d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in 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 (+ (* (hypot c d) 0) (* 0 (hypot c d))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 (sqr (hypot c d))) (* d (* a (* 1 1)))) (* (/ 1 (sqr (hypot c d))) (* 1 (* 1 (* c b))))) into (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot c d))))
* [misc]approximate:  Taking taylor expansion of (/ (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 1 d))) (sqr (hypot (/ 1 c) (/ 1 d)))) in (b c a d) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 1 d))) (sqr (hypot (/ 1 c) (/ 1 d)))) in d
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 (sqr (hypot (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (/ 1 a) 1) into (/ 1 a)
* [misc]backup-simplify:  Simplify (- (/ 1 a)) into (- (/ 1 a))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 a))) into (- (/ 1 a))
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ (- (/ 1 a)) (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ -1 (* (sqr (hypot (/ 1 c) (/ 1 d))) a))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 1 d))) (sqr (hypot (/ 1 c) (/ 1 d)))) in a
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 (sqr (hypot (/ 1 c) (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in a
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d)) into (/ 1 d)
* [misc]backup-simplify:  Simplify (- (/ 1 d)) into (- (/ 1 d))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 d))) into (- (/ 1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ (- (/ 1 d)) (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ -1 (* (sqr (hypot (/ 1 c) (/ 1 d))) d))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 1 d))) (sqr (hypot (/ 1 c) (/ 1 d)))) in c
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 (sqr (hypot (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (/ 1 b) 1) into (/ 1 b)
* [misc]backup-simplify:  Simplify (+ (/ 1 b) 0) into (/ 1 b)
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 b) (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) b))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 1 d))) (sqr (hypot (/ 1 c) (/ 1 d)))) in b
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 (sqr (hypot (/ 1 c) (/ 1 d))) in b
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in b
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* 1 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 c) 0) into (/ 1 c)
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 c) (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) c))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 1 d))) (sqr (hypot (/ 1 c) (/ 1 d)))) in b
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 (sqr (hypot (/ 1 c) (/ 1 d))) in b
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in b
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* 1 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 c) 0) into (/ 1 c)
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 c) (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) c))
* [misc]taylor:  Taking taylor expansion of (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) c)) in c
* [misc]taylor:  Taking taylor expansion of (* (sqr (hypot (/ 1 c) (/ 1 d))) c) in c
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [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 (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 1) (* 0 0)) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (sqr (hypot (/ 1 c) (/ 1 d))))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) in a
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in a
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (sqr (hypot (/ 1 c) (/ 1 d))))
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 c))) into 0
* [misc]backup-simplify:  Simplify (* (/ 1 a) (/ 1 d)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (- (/ 1 (* d a))) into (- (/ 1 (* d a)))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 (* d a)))) into (- (/ 1 (* d a)))
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (- (/ (- (/ 1 (* d a))) (sqr (hypot (/ 1 c) (/ 1 d)))) (+ (* (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) c)) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into (- (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a))))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a)))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a))) in c
* [misc]taylor:  Taking taylor expansion of (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a)) in c
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]taylor:  Taking taylor expansion of (* d a) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (* d a) into (* d a)
* [misc]backup-simplify:  Simplify (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a)) into (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a))
* [misc]backup-simplify:  Simplify (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a))) into (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a)))
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) in d
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (sqr (hypot (/ 1 c) (/ 1 d))))
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 a) 0) (* 0 (/ 1 d))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot (/ 1 c) (/ 1 d)))) (+ (* (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) c)) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* (- (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a)))) into (- (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a))))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a))) in a
* [misc]taylor:  Taking taylor expansion of (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a)) in a
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in a
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]taylor:  Taking taylor expansion of (* d a) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (* d 0) into 0
* [misc]backup-simplify:  Simplify (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d 1) (* 0 0)) into d
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) d) (* 0 0)) into (* (sqr (hypot (/ 1 c) (/ 1 d))) d)
* [misc]backup-simplify:  Simplify (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) d)) into (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) d))
* [misc]backup-simplify:  Simplify (- (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) d))) into (- (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) d)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) d))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) d)) in d
* [misc]taylor:  Taking taylor expansion of (* (sqr (hypot (/ 1 c) (/ 1 d))) d) in d
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 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 (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 1) (* 0 0)) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (sqr (hypot (/ 1 c) (/ 1 d))))
* [misc]backup-simplify:  Simplify (- (/ 1 (sqr (hypot (/ 1 c) (/ 1 d))))) into (- (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))))
* [misc]backup-simplify:  Simplify (- (/ 1 (sqr (hypot (/ 1 c) (/ 1 d))))) into (- (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))))
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (sqr (hypot (/ 1 c) (/ 1 d))))
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 c))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)) (* 0 (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 a) 0) (+ (* 0 0) (* 0 (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d)))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot (/ 1 c) (/ 1 d)))) (+ (* (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) c)) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* (- (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) 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 a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (* 0 a)) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) (* 0 (* d a))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a))) (/ 0 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a)))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) (+ (* 0 d) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) d)) (/ 0 (* (sqr (hypot (/ 1 c) (/ 1 d))) d))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)) (* 0 (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 c)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)) (* 0 (/ 0 a)) (* 0 (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 a) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot (/ 1 c) (/ 1 d)))) (+ (* (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) c)) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* (- (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) 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 a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (* 0 a))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) (+ (* 0 0) (* 0 (* d a)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a))) (/ 0 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a)))) (* 0 (/ 0 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a)))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d)))))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in 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 (+ (* d 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) (+ (* 0 0) (+ (* 0 d) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) d)) (/ 0 (* (sqr (hypot (/ 1 c) (/ 1 d))) d))) (* 0 (/ 0 (* (sqr (hypot (/ 1 c) (/ 1 d))) d))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) 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]backup-simplify:  Simplify (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (* 1 (* 1 (* (/ 1 (/ 1 c)) (/ 1 (/ 1 b)))))) (* (- (/ 1 (sqr (hypot (/ 1 c) (/ 1 d))))) (* (/ 1 (/ 1 d)) (* (/ 1 (/ 1 a)) (* 1 1))))) into (- (/ (* b c) (sqr (hypot (/ 1 c) (/ 1 d)))) (/ (* d a) (sqr (hypot (/ 1 c) (/ 1 d)))))
* [misc]approximate:  Taking taylor expansion of (/ (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 1 (- d)))) (sqr (hypot (/ 1 (- c)) (/ 1 (- d))))) in (b c a d) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 1 (- d)))) (sqr (hypot (/ 1 (- c)) (/ 1 (- d))))) in d
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 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 (- a)) (/ 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 (- 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 (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (/ -1 a) -1) into (/ 1 a)
* [misc]backup-simplify:  Simplify (- (/ 1 a)) into (- (/ 1 a))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 a))) into (- (/ 1 a))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ (- (/ 1 a)) (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ -1 (* a (sqr (hypot (/ -1 c) (/ -1 d)))))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 1 (- d)))) (sqr (hypot (/ 1 (- c)) (/ 1 (- d))))) in a
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 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 (- a)) (/ 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 (- 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 (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in a
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in a
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d)) into (/ 1 d)
* [misc]backup-simplify:  Simplify (- (/ 1 d)) into (- (/ 1 d))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 d))) into (- (/ 1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ (- (/ 1 d)) (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ -1 (* d (sqr (hypot (/ -1 c) (/ -1 d)))))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 1 (- d)))) (sqr (hypot (/ 1 (- c)) (/ 1 (- d))))) in c
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 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 (- a)) (/ 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 (- 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 (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (/ -1 b) -1) into (/ 1 b)
* [misc]backup-simplify:  Simplify (+ (/ 1 b) 0) into (/ 1 b)
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 b) (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (* b (sqr (hypot (/ -1 c) (/ -1 d)))))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 1 (- d)))) (sqr (hypot (/ 1 (- c)) (/ 1 (- d))))) in b
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 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 (- a)) (/ 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 (- 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 (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in b
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in b
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 c) 0) into (/ 1 c)
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 c) (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (* c (sqr (hypot (/ -1 c) (/ -1 d)))))
* [misc]taylor:  Taking taylor expansion of (/ (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 1 (- d)))) (sqr (hypot (/ 1 (- c)) (/ 1 (- d))))) in b
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 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 (- a)) (/ 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 (- 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 (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in b
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in b
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 c) 0) into (/ 1 c)
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 c) (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (* c (sqr (hypot (/ -1 c) (/ -1 d)))))
* [misc]taylor:  Taking taylor expansion of (/ 1 (* c (sqr (hypot (/ -1 c) (/ -1 d))))) in c
* [misc]taylor:  Taking taylor expansion of (* c (sqr (hypot (/ -1 c) (/ -1 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 (sqr (hypot (/ -1 c) (/ -1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ -1 c) (/ -1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ -1 c) (/ -1 d)) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (* 0 (sqr (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (sqr (hypot (/ -1 c) (/ -1 d))))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (sqr (hypot (/ -1 c) (/ -1 d))))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) in a
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ -1 c) (/ -1 d))) in a
* [misc]taylor:  Taking taylor expansion of (hypot (/ -1 c) (/ -1 d)) in a
* [misc]backup-simplify:  Simplify (hypot (/ -1 c) (/ -1 d)) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (sqr (hypot (/ -1 c) (/ -1 d))))
* [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 (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 c))) into 0
* [misc]backup-simplify:  Simplify (* (/ -1 a) (/ -1 d)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (- (/ 1 (* d a))) into (- (/ 1 (* d a)))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 (* d a)))) into (- (/ 1 (* d a)))
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (- (/ (- (/ 1 (* d a))) (sqr (hypot (/ -1 c) (/ -1 d)))) (+ (* (/ 1 (* c (sqr (hypot (/ -1 c) (/ -1 d))))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into (- (/ 1 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d)))))))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d))))))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d)))))) in c
* [misc]taylor:  Taking taylor expansion of (* d (* a (sqr (hypot (/ -1 c) (/ -1 d))))) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (* a (sqr (hypot (/ -1 c) (/ -1 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 (sqr (hypot (/ -1 c) (/ -1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ -1 c) (/ -1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ -1 c) (/ -1 d)) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (* a (sqr (hypot (/ -1 c) (/ -1 d)))) into (* a (sqr (hypot (/ -1 c) (/ -1 d))))
* [misc]backup-simplify:  Simplify (* d (* a (sqr (hypot (/ -1 c) (/ -1 d))))) into (* d (* a (sqr (hypot (/ -1 c) (/ -1 d)))))
* [misc]backup-simplify:  Simplify (/ 1 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d)))))) into (/ 1 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d))))))
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (sqr (hypot (/ -1 c) (/ -1 d)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) in d
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ -1 c) (/ -1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ -1 c) (/ -1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ -1 c) (/ -1 d)) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (sqr (hypot (/ -1 c) (/ -1 d))))
* [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 (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 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) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 a) 0) (* 0 (/ -1 d))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot (/ -1 c) (/ -1 d)))) (+ (* (/ 1 (* c (sqr (hypot (/ -1 c) (/ -1 d))))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* (- (/ 1 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d))))))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 1 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d))))))) into (- (/ 1 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d)))))))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d))))))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d)))))) in a
* [misc]taylor:  Taking taylor expansion of (* d (* a (sqr (hypot (/ -1 c) (/ -1 d))))) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (* a (sqr (hypot (/ -1 c) (/ -1 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 (sqr (hypot (/ -1 c) (/ -1 d))) in a
* [misc]taylor:  Taking taylor expansion of (hypot (/ -1 c) (/ -1 d)) in a
* [misc]backup-simplify:  Simplify (hypot (/ -1 c) (/ -1 d)) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (* 0 (sqr (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (* d 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (sqr (hypot (/ -1 c) (/ -1 d))))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (+ (* d (sqr (hypot (/ -1 c) (/ -1 d)))) (* 0 0)) into (* d (sqr (hypot (/ -1 c) (/ -1 d))))
* [misc]backup-simplify:  Simplify (/ 1 (* d (sqr (hypot (/ -1 c) (/ -1 d))))) into (/ 1 (* d (sqr (hypot (/ -1 c) (/ -1 d)))))
* [misc]backup-simplify:  Simplify (- (/ 1 (* d (sqr (hypot (/ -1 c) (/ -1 d)))))) into (- (/ 1 (* d (sqr (hypot (/ -1 c) (/ -1 d))))))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d (sqr (hypot (/ -1 c) (/ -1 d)))))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d (sqr (hypot (/ -1 c) (/ -1 d))))) in d
* [misc]taylor:  Taking taylor expansion of (* d (sqr (hypot (/ -1 c) (/ -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]taylor:  Taking taylor expansion of (sqr (hypot (/ -1 c) (/ -1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ -1 c) (/ -1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ -1 c) (/ -1 d)) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (* 0 (sqr (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (sqr (hypot (/ -1 c) (/ -1 d))))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (sqr (hypot (/ -1 c) (/ -1 d))))
* [misc]backup-simplify:  Simplify (- (/ 1 (sqr (hypot (/ -1 c) (/ -1 d))))) into (- (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))))
* [misc]backup-simplify:  Simplify (- (/ 1 (sqr (hypot (/ -1 c) (/ -1 d))))) into (- (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))))
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (sqr (hypot (/ -1 c) (/ -1 d))))
* [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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))) (* 0 (/ 0 (- c))) (* 0 (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 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) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))) (* 0 (/ 0 (- a))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 a) 0) (+ (* 0 0) (* 0 (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d)))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot (/ -1 c) (/ -1 d)))) (+ (* (/ 1 (* c (sqr (hypot (/ -1 c) (/ -1 d))))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* (- (/ 1 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d))))))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) 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 a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* a 0) (* 0 (sqr (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (* 0 (* a (sqr (hypot (/ -1 c) (/ -1 d)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d)))))) (/ 0 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d))))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (sqr (hypot (/ -1 c) (/ -1 d)))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (sqr (hypot (/ -1 c) (/ -1 d)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 (sqr (hypot (/ -1 c) (/ -1 d)))) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d (sqr (hypot (/ -1 c) (/ -1 d))))) (/ 0 (* d (sqr (hypot (/ -1 c) (/ -1 d)))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (sqr (hypot (/ -1 c) (/ -1 d)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]backup-simplify:  Simplify 0 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 (- 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))) (* 0 (/ 0 (- c))) (* 0 (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))) (* 0 (/ 0 (- d))) (* 0 (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))) (* 0 (/ 0 (- a))) (* 0 (/ 0 (- a))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 a) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot (/ -1 c) (/ -1 d)))) (+ (* (/ 1 (* c (sqr (hypot (/ -1 c) (/ -1 d))))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* (- (/ 1 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d))))))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) 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 a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* a 0) (+ (* 0 0) (* 0 (sqr (hypot (/ -1 c) (/ -1 d)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (* 0 (* a (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d)))))) (/ 0 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d))))))) (* 0 (/ 0 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d))))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d)))))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (sqr (hypot (/ -1 c) (/ -1 d))))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in 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 (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (+ (* 0 (sqr (hypot (/ -1 c) (/ -1 d)))) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d (sqr (hypot (/ -1 c) (/ -1 d))))) (/ 0 (* d (sqr (hypot (/ -1 c) (/ -1 d)))))) (* 0 (/ 0 (* d (sqr (hypot (/ -1 c) (/ -1 d)))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) 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]backup-simplify:  Simplify (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (* 1 (* 1 (* (/ 1 (/ 1 (- c))) (/ 1 (/ 1 (- b))))))) (* (- (/ 1 (sqr (hypot (/ -1 c) (/ -1 d))))) (* (/ 1 (/ 1 (- d))) (* (/ 1 (/ 1 (- a))) (* 1 1))))) into (- (/ (* b c) (sqr (hypot (/ -1 c) (/ -1 d)))) (/ (* d a) (sqr (hypot (/ -1 c) (/ -1 d)))))
* * * * [misc]progress:  [ 2 / 3 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (- (* b c) (* a d)) in (b c a d) around 0
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 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) (* a 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 (* a 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 d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of (- (* b c) (* a 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 (* a 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 d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (* 0 c) into 0
* [misc]backup-simplify:  Simplify (* a d) into (* d a)
* [misc]backup-simplify:  Simplify (- (* d a)) into (- (* d a))
* [misc]backup-simplify:  Simplify (+ 0 (- (* d a))) into (- (* d a))
* [misc]taylor:  Taking taylor expansion of (- (* d a)) in c
* [misc]taylor:  Taking taylor expansion of (* d a) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (* d a) into (* d a)
* [misc]backup-simplify:  Simplify (- (* d a)) into (- (* d a))
* [misc]taylor:  Taking taylor expansion of (- (* d a)) in a
* [misc]taylor:  Taking taylor expansion of (* d a) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* d 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 0) (* 1 c)) into c
* [misc]backup-simplify:  Simplify (+ (* a 0) (* 0 d)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ c 0) into 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 0 in a
* [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 (+ (* d 0) (* 0 a)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 1) (* 0 0)) into d
* [misc]backup-simplify:  Simplify (- d) into (- 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 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 c))) into 0
* [misc]backup-simplify:  Simplify (+ (* a 0) (+ (* 0 0) (* 0 d))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]approximate:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 1 d))) in (b c a d) around 0
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 a) (/ 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 a) (/ 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 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 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 a) (/ 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 a) (/ 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 d) in b
* [misc]taylor:  Taking taylor expansion of d in b
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 b) (/ 1 c)) (* (/ 1 a) (/ 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 a) (/ 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 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 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 c) 0) into (/ 1 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 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 c))) into 0
* [misc]backup-simplify:  Simplify (* (/ 1 a) (/ 1 d)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (- (/ 1 (* d a))) into (- (/ 1 (* d a)))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 (* d a)))) into (- (/ 1 (* d a)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d a))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d a)) in c
* [misc]taylor:  Taking taylor expansion of (* d a) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (* d a) into (* d a)
* [misc]backup-simplify:  Simplify (/ 1 (* d a)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 a) 0) (* 0 (/ 1 d))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 1 (* d a))) into (- (/ 1 (* d a)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d a)) in a
* [misc]taylor:  Taking taylor expansion of (* d a) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* d 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d 1) (* 0 0)) into d
* [misc]backup-simplify:  Simplify (/ 1 d) 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]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in 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 c) (/ 0 c)) (* 0 (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 c))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)) (* 0 (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 a) 0) (+ (* 0 0) (* 0 (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (* 0 a)) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d a)) (/ 0 (* d a))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)) (* 0 (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 c)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)) (* 0 (/ 0 a)) (* 0 (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 a) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (* 0 a))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d a)) (/ 0 (* d a))) (* 0 (/ 0 (* d a))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in 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 (+ (* d 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]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 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 c)) (/ 1 (/ 1 b)))))) (* -1 (* (/ 1 (/ 1 d)) (* (/ 1 (/ 1 a)) (* 1 1))))) into (- (* b c) (* d a))
* [misc]approximate:  Taking taylor expansion of (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 1 (- d)))) in (b c a d) around 0
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 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 (- a)) (/ 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 (- 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 (- a)) (/ 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 (- a)) (/ 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 (- 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 (- b)) (/ 1 (- c))) (* (/ 1 (- a)) (/ 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 (- a)) (/ 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 (- 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 (- a)) (/ 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 (- a)) (/ 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 (- 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 (- a)) (/ 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 (- a)) (/ 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 (- 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 (/ -1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (+ (/ 1 c) 0) into (/ 1 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 in a
* [misc]backup-simplify:  Simplify 1 into 1
* [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 (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 c))) into 0
* [misc]backup-simplify:  Simplify (* (/ -1 a) (/ -1 d)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (- (/ 1 (* d a))) into (- (/ 1 (* d a)))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 (* d a)))) into (- (/ 1 (* d a)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d a))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d a)) in c
* [misc]taylor:  Taking taylor expansion of (* d a) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (* d a) into (* d a)
* [misc]backup-simplify:  Simplify (/ 1 (* d a)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [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 (- 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 (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 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) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 a) 0) (* 0 (/ -1 d))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 1 (* d a))) into (- (/ 1 (* d a)))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (* d a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (* d a)) in a
* [misc]taylor:  Taking taylor expansion of (* d a) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* d 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d 1) (* 0 0)) into d
* [misc]backup-simplify:  Simplify (/ 1 d) 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]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in 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 (- 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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- c) into (- c)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 c) (/ 0 (- c))) (* 0 (/ 0 (- c))) (* 0 (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 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) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))) (* 0 (/ 0 (- a))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 a) 0) (+ (* 0 0) (* 0 (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (* 0 a)) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d a)) (/ 0 (* d a))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 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 (- 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))) (* 0 (/ 0 (- c))) (* 0 (/ 0 (- c))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d) (/ 0 (- d))) (* 0 (/ 0 (- d))) (* 0 (/ 0 (- d))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))) (* 0 (/ 0 (- a))) (* 0 (/ 0 (- a))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 a) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* d 0) (+ (* 0 0) (* 0 a))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (* d a)) (/ 0 (* d a))) (* 0 (/ 0 (* d a))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in 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 (+ (* d 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d) (/ 0 d)) (* 0 (/ 0 d)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]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 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 (- c))) (/ 1 (/ 1 (- b))))))) (* -1 (* (/ 1 (/ 1 (- d))) (* (/ 1 (/ 1 (- a))) (* 1 1))))) into (- (* b c) (* d a))
* * * * [misc]progress:  [ 3 / 3 ] generating series at (2 2)
* [misc]approximate:  Taking taylor expansion of (sqr (hypot c d)) in (c d) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in d
* [misc]taylor:  Taking taylor expansion of (hypot c d) in d
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in c
* [misc]taylor:  Taking taylor expansion of (hypot c d) in c
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in c
* [misc]taylor:  Taking taylor expansion of (hypot c d) in c
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in d
* [misc]taylor:  Taking taylor expansion of (hypot c d) in d
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (sqr (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (* 0 (hypot c d))) 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 (+ (* (hypot c d) 0) (* 0 (hypot c d))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (* 0 (hypot c d)))) 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]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (* 0 (hypot c d)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot c d))))) 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 (sqr (hypot c d)) into (sqr (hypot c d))
* [misc]approximate:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in (c d) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (sqr (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) 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 (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) 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]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d)))))) 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 (sqr (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]approximate:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in (c d) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ -1 c) (/ -1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ -1 c) (/ -1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ -1 c) (/ -1 d)) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (sqr (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) 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 (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) 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]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d)))))) 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 (sqr (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 3 ] rewriting at (2)
* * * * [misc]progress:  [ 2 / 3 ] rewriting at (2 1)
* * * * [misc]progress:  [ 3 / 3 ] rewriting at (2 2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 65 ] simplifiying candidate #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (62 enodes)
* * [misc]simplify:  iters left: 2 (74 enodes)
* * [misc]simplify:  iters left: 1 (86 enodes)
* [exit]simplify:  Simplified to (- (* (/ b (hypot c d)) (/ c (hypot c d))) (* (/ a (hypot c d)) (/ d (hypot c d))))
* * * * [misc]progress:  [ 2 / 65 ] simplifiying candidate #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot (/ 1 c) (/ 1 d)))) (/ (* d a) (sqr (hypot (/ 1 c) (/ 1 d))))))>
* [enter]simplify:  Simplifying (- (/ (* b c) (sqr (hypot (/ 1 c) (/ 1 d)))) (/ (* d a) (sqr (hypot (/ 1 c) (/ 1 d)))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (37 enodes)
* * [misc]simplify:  iters left: 3 (67 enodes)
* * [misc]simplify:  iters left: 2 (79 enodes)
* * [misc]simplify:  iters left: 1 (91 enodes)
* [exit]simplify:  Simplified to (- (* (/ c (hypot (/ 1 c) (/ 1 d))) (/ b (hypot (/ 1 c) (/ 1 d)))) (/ (/ a (hypot (/ 1 c) (/ 1 d))) (/ (hypot (/ 1 c) (/ 1 d)) d)))
* * * * [misc]progress:  [ 3 / 65 ] simplifiying candidate #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot (/ -1 c) (/ -1 d)))) (/ (* d a) (sqr (hypot (/ -1 c) (/ -1 d))))))>
* [enter]simplify:  Simplifying (- (/ (* b c) (sqr (hypot (/ -1 c) (/ -1 d)))) (/ (* d a) (sqr (hypot (/ -1 c) (/ -1 d)))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (65 enodes)
* * [misc]simplify:  iters left: 2 (77 enodes)
* * [misc]simplify:  iters left: 1 (89 enodes)
* [exit]simplify:  Simplified to (- (* (/ b (hypot (/ -1 c) (/ -1 d))) (/ c (hypot (/ -1 c) (/ -1 d)))) (/ (/ d (hypot (/ -1 c) (/ -1 d))) (/ (hypot (/ -1 c) (/ -1 d)) a)))
* * * * [misc]progress:  [ 4 / 65 ] simplifiying candidate #<alt-event (λ (a b c d) (/ 0 (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (/ 0 (sqr (hypot c d)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 5 / 65 ] simplifiying candidate #<alt-event (λ (a b c d) (/ (- (* b c) (* d a)) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* d a)) (sqr (hypot c d)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (67 enodes)
* * [misc]simplify:  iters left: 2 (87 enodes)
* * [misc]simplify:  iters left: 1 (99 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* a d)) (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 6 / 65 ] simplifiying candidate #<alt-event (λ (a b c d) (/ (- (* b c) (* d a)) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* d a)) (sqr (hypot c d)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (67 enodes)
* * [misc]simplify:  iters left: 2 (87 enodes)
* * [misc]simplify:  iters left: 1 (99 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* a d)) (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 7 / 65 ] simplifiying candidate #<alt-event (λ (a b c d) (/ (- (* b c) (* a d)) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (sqr (hypot c d)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (67 enodes)
* * [misc]simplify:  iters left: 2 (87 enodes)
* * [misc]simplify:  iters left: 1 (99 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 8 / 65 ] simplifiying candidate #<alt-event (λ (a b c d) (/ (- (* b c) (* a d)) (sqr (hypot (/ 1 c) (/ 1 d)))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (sqr (hypot (/ 1 c) (/ 1 d))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (43 enodes)
* * [misc]simplify:  iters left: 3 (72 enodes)
* * [misc]simplify:  iters left: 2 (92 enodes)
* * [misc]simplify:  iters left: 1 (104 enodes)
* [exit]simplify:  Simplified to (/ (/ (- (* c b) (* d a)) (hypot (/ 1 c) (/ 1 d))) (hypot (/ 1 c) (/ 1 d)))
* * * * [misc]progress:  [ 9 / 65 ] simplifiying candidate #<alt-event (λ (a b c d) (/ (- (* b c) (* a d)) (sqr (hypot (/ -1 c) (/ -1 d)))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (sqr (hypot (/ -1 c) (/ -1 d))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (70 enodes)
* * [misc]simplify:  iters left: 2 (90 enodes)
* * [misc]simplify:  iters left: 1 (102 enodes)
* [exit]simplify:  Simplified to (/ (/ (- (* c b) (* d a)) (hypot (/ -1 c) (/ -1 d))) (hypot (/ -1 c) (/ -1 d)))
* * * * [misc]progress:  [ 10 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (log1p (expm1 (/ (- (* b c) (* a d)) (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (expm1 (/ (- (* b c) (* a d)) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (68 enodes)
* * [misc]simplify:  iters left: 2 (88 enodes)
* * [misc]simplify:  iters left: 1 (100 enodes)
* [exit]simplify:  Simplified to (expm1 (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* [exit]simplify:  Simplified to (expm1 (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* * * * [misc]progress:  [ 11 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (expm1 (log1p (/ (- (* b c) (* a d)) (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (log1p (/ (- (* b c) (* a d)) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (68 enodes)
* * [misc]simplify:  iters left: 2 (88 enodes)
* * [misc]simplify:  iters left: 1 (100 enodes)
* [exit]simplify:  Simplified to (log1p (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* [exit]simplify:  Simplified to (log1p (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* * * * [misc]progress:  [ 12 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (pow (/ (- (* b c) (* a d)) (sqr (hypot c d))) 1))>
* * * * [misc]progress:  [ 13 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (exp (- (log (- (* b c) (* a d))) (log (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (- (log (- (* b c) (* a d))) (log (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* [exit]simplify:  Simplified to (- (log (- (* c b) (* d a))) (+ (log (hypot c d)) (log (hypot c d))))
* [exit]simplify:  Simplified to (- (log (- (* c b) (* d a))) (+ (log (hypot c d)) (log (hypot c d))))
* * * * [misc]progress:  [ 14 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (exp (log (/ (- (* b c) (* a d)) (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (log (/ (- (* b c) (* a d)) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (44 enodes)
* * [misc]simplify:  iters left: 3 (75 enodes)
* * [misc]simplify:  iters left: 2 (97 enodes)
* * [misc]simplify:  iters left: 1 (109 enodes)
* [exit]simplify:  Simplified to (log (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* [exit]simplify:  Simplified to (log (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* * * * [misc]progress:  [ 15 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (log (exp (/ (- (* b c) (* a d)) (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (exp (/ (- (* b c) (* a d)) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (42 enodes)
* * [misc]simplify:  iters left: 3 (79 enodes)
* * [misc]simplify:  iters left: 2 (99 enodes)
* * [misc]simplify:  iters left: 1 (111 enodes)
* [exit]simplify:  Simplified to (exp (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* [exit]simplify:  Simplified to (exp (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* * * * [misc]progress:  [ 16 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (cbrt (/ (cube (- (* b c) (* a d))) (cube (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (/ (cube (- (* b c) (* a d))) (cube (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (27 enodes)
* * [misc]simplify:  iters left: 3 (52 enodes)
* * [misc]simplify:  iters left: 2 (130 enodes)
* * [misc]simplify:  iters left: 1 (372 enodes)
* [exit]simplify:  Simplified to (cube (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* [exit]simplify:  Simplified to (cube (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* * * * [misc]progress:  [ 17 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (cube (cbrt (/ (- (* b c) (* a d)) (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (cbrt (/ (- (* b c) (* a d)) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (68 enodes)
* * [misc]simplify:  iters left: 2 (88 enodes)
* * [misc]simplify:  iters left: 1 (100 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* [exit]simplify:  Simplified to (cbrt (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* * * * [misc]progress:  [ 18 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (cbrt (cube (/ (- (* b c) (* a d)) (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (cube (/ (- (* b c) (* a d)) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (56 enodes)
* * [misc]simplify:  iters left: 3 (108 enodes)
* * [misc]simplify:  iters left: 2 (143 enodes)
* * [misc]simplify:  iters left: 1 (207 enodes)
* [exit]simplify:  Simplified to (cube (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* [exit]simplify:  Simplified to (cube (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* * * * [misc]progress:  [ 19 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (cube (/ (cbrt (- (* b c) (* a d))) (cbrt (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (/ (cbrt (- (* b c) (* a d))) (cbrt (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- (* c b) (* d a))) (cbrt (* (hypot c d) (hypot c d))))
* [exit]simplify:  Simplified to (/ (cbrt (- (* c b) (* d a))) (cbrt (* (hypot c d) (hypot c d))))
* * * * [misc]progress:  [ 20 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (sqr (sqrt (/ (- (* b c) (* a d)) (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (sqrt (/ (- (* b c) (* a d)) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (68 enodes)
* * [misc]simplify:  iters left: 2 (88 enodes)
* * [misc]simplify:  iters left: 1 (100 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* [exit]simplify:  Simplified to (sqrt (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* * * * [misc]progress:  [ 21 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (sqr (/ (sqrt (- (* b c) (* a d))) (hypot c d))))>
* [enter]simplify:  Simplifying (/ (sqrt (- (* b c) (* a d))) (hypot c d))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- (* c b) (* d a))) (hypot c d))
* [exit]simplify:  Simplified to (/ (sqrt (- (* c b) (* d a))) (hypot c d))
* * * * [misc]progress:  [ 22 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (- (* b c) (* a d))) (- (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (- (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (- (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (- (- (* c b) (* d a)))
* [enter]simplify:  Simplifying (- (sqr (hypot c d)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* [exit]simplify:  Simplified to (* (hypot c d) (- (hypot c d)))
* [exit]simplify:  Simplified to (* (hypot c d) (- (hypot c d)))
* * * * [misc]progress:  [ 23 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* a d) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ (* b c) (sqr (hypot c d)))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (18 enodes)
* * [misc]simplify:  iters left: 1 (33 enodes)
* [exit]simplify:  Simplified to (/ (/ (* c b) (hypot c d)) (hypot c d))
* [exit]simplify:  Simplified to (/ (/ (* c b) (hypot c d)) (hypot c d))
* [enter]simplify:  Simplifying (/ (* a d) (sqr (hypot c d)))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (18 enodes)
* * [misc]simplify:  iters left: 1 (33 enodes)
* [exit]simplify:  Simplified to (/ (/ (* d a) (hypot c d)) (hypot c d))
* [exit]simplify:  Simplified to (/ (/ (* d a) (hypot c d)) (hypot c d))
* * * * [misc]progress:  [ 24 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ 1 (sqr 1)) (/ (- (* b c) (* a d)) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ 1 (sqr 1))
* * [misc]simplify:  iters left: 3 (3 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (/ 1 1)
* [exit]simplify:  Simplified to (/ 1 1)
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (sqr (hypot c d)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (67 enodes)
* * [misc]simplify:  iters left: 2 (87 enodes)
* * [misc]simplify:  iters left: 1 (99 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 25 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ 1 (hypot c d)) (/ (- (* b c) (* a d)) (hypot c d))))>
* [enter]simplify:  Simplifying (/ 1 (hypot c d))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (7 enodes)
* [exit]simplify:  Simplified to (/ 1 (hypot c d))
* [exit]simplify:  Simplified to (/ 1 (hypot c d))
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (hypot c d))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (hypot c d))
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (hypot c d))
* * * * [misc]progress:  [ 26 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ 1 1) (/ (- (* b c) (* a d)) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ 1 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (sqr (hypot c d)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (67 enodes)
* * [misc]simplify:  iters left: 2 (87 enodes)
* * [misc]simplify:  iters left: 1 (99 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 27 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (+ (sqrt (* b c)) (sqrt (* a d))) (sqr 1)) (/ (- (sqrt (* b c)) (sqrt (* a d))) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ (+ (sqrt (* b c)) (sqrt (* a d))) (sqr 1))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* [exit]simplify:  Simplified to (/ (+ (sqrt (* c b)) (sqrt (* a d))) 1)
* [exit]simplify:  Simplified to (/ (+ (sqrt (* c b)) (sqrt (* a d))) 1)
* [enter]simplify:  Simplifying (/ (- (sqrt (* b c)) (sqrt (* a d))) (sqr (hypot c d)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* [exit]simplify:  Simplified to (/ (- (sqrt (* c b)) (sqrt (* a d))) (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (/ (- (sqrt (* c b)) (sqrt (* a d))) (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 28 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (+ (sqrt (* b c)) (sqrt (* a d))) (hypot c d)) (/ (- (sqrt (* b c)) (sqrt (* a d))) (hypot c d))))>
* [enter]simplify:  Simplifying (/ (+ (sqrt (* b c)) (sqrt (* a d))) (hypot c d))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (/ (+ (sqrt (* c b)) (sqrt (* a d))) (hypot c d))
* [exit]simplify:  Simplified to (/ (+ (sqrt (* c b)) (sqrt (* a d))) (hypot c d))
* [enter]simplify:  Simplifying (/ (- (sqrt (* b c)) (sqrt (* a d))) (hypot c d))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* [exit]simplify:  Simplified to (/ (- (sqrt (* c b)) (sqrt (* a d))) (hypot c d))
* [exit]simplify:  Simplified to (/ (- (sqrt (* c b)) (sqrt (* a d))) (hypot c d))
* * * * [misc]progress:  [ 29 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (/ (+ (sqrt (* b c)) (sqrt (* a d))) 1) (/ (- (sqrt (* b c)) (sqrt (* a d))) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ (+ (sqrt (* b c)) (sqrt (* a d))) 1)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* [exit]simplify:  Simplified to (/ (+ (sqrt (* c b)) (sqrt (* a d))) 1)
* [exit]simplify:  Simplified to (/ (+ (sqrt (* c b)) (sqrt (* a d))) 1)
* [enter]simplify:  Simplifying (/ (- (sqrt (* b c)) (sqrt (* a d))) (sqr (hypot c d)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* [exit]simplify:  Simplified to (/ (- (sqrt (* c b)) (sqrt (* a d))) (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (/ (- (sqrt (* c b)) (sqrt (* a d))) (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 30 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (* 1 (/ (- (* b c) (* a d)) (sqr (hypot c d)))))>
* * * * [misc]progress:  [ 31 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (* (- (* b c) (* a d)) (/ 1 (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ 1 (sqr (hypot c d)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (hypot c d)) (hypot c d))
* [exit]simplify:  Simplified to (/ (/ 1 (hypot c d)) (hypot c d))
* * * * [misc]progress:  [ 32 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ 1 (/ (sqr (hypot c d)) (- (* b c) (* a d)))))>
* [enter]simplify:  Simplifying (/ (sqr (hypot c d)) (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (29 enodes)
* * [misc]simplify:  iters left: 1 (37 enodes)
* [exit]simplify:  Simplified to (/ (* (hypot c d) (hypot c d)) (- (* c b) (* a d)))
* [exit]simplify:  Simplified to (/ (* (hypot c d) (hypot c d)) (- (* c b) (* a d)))
* * * * [misc]progress:  [ 33 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (/ (- (* b c) (* a d)) (sqr 1)) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (sqr 1))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (34 enodes)
* * [misc]simplify:  iters left: 3 (50 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) 1)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) 1)
* * * * [misc]progress:  [ 34 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (/ (- (* b c) (* a d)) (hypot c d)) (hypot c d)))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) (hypot c d))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (hypot c d))
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) (hypot c d))
* * * * [misc]progress:  [ 35 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (/ (- (* b c) (* a d)) 1) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (/ (- (* b c) (* a d)) 1)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) 1)
* [exit]simplify:  Simplified to (/ (- (* c b) (* d a)) 1)
* * * * [misc]progress:  [ 36 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ 1 (/ (sqr (hypot c d)) (- (* b c) (* a d)))))>
* [enter]simplify:  Simplifying (/ (sqr (hypot c d)) (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (29 enodes)
* * [misc]simplify:  iters left: 1 (37 enodes)
* [exit]simplify:  Simplified to (/ (* (hypot c d) (hypot c d)) (- (* c b) (* a d)))
* [exit]simplify:  Simplified to (/ (* (hypot c d) (hypot c d)) (- (* c b) (* a d)))
* * * * [misc]progress:  [ 37 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (+ (sqrt (* b c)) (sqrt (* a d))) (/ (sqr (hypot c d)) (- (sqrt (* b c)) (sqrt (* a d))))))>
* [enter]simplify:  Simplifying (/ (sqr (hypot c d)) (- (sqrt (* b c)) (sqrt (* a d))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (23 enodes)
* [exit]simplify:  Simplified to (/ (* (hypot c d) (hypot c d)) (- (sqrt (* c b)) (sqrt (* d a))))
* [exit]simplify:  Simplified to (/ (* (hypot c d) (hypot c d)) (- (sqrt (* c b)) (sqrt (* d a))))
* * * * [misc]progress:  [ 38 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (pow (* b c) 3) (pow (* a d) 3)) (* (sqr (hypot c d)) (+ (sqr (* b c)) (+ (sqr (* a d)) (* (* b c) (* a d)))))))>
* [enter]simplify:  Simplifying (* (sqr (hypot c d)) (+ (sqr (* b c)) (+ (sqr (* a d)) (* (* b c) (* a d)))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (37 enodes)
* * [misc]simplify:  iters left: 4 (90 enodes)
* * [misc]simplify:  iters left: 3 (203 enodes)
* * [misc]simplify:  iters left: 2 (423 enodes)
* [exit]simplify:  Simplified to (* (fma (fma c b (* d a)) (* d a) (* (* c b) (* c b))) (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (* (fma (fma c b (* d a)) (* d a) (* (* c b) (* c b))) (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 39 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (sqr (* b c)) (sqr (* a d))) (* (sqr (hypot c d)) (+ (* b c) (* a d)))))>
* [enter]simplify:  Simplifying (* (sqr (hypot c d)) (+ (* b c) (* a d)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (43 enodes)
* * [misc]simplify:  iters left: 3 (75 enodes)
* * [misc]simplify:  iters left: 2 (105 enodes)
* * [misc]simplify:  iters left: 1 (120 enodes)
* [exit]simplify:  Simplified to (* (* (hypot c d) (hypot c d)) (fma b c (* a d)))
* [exit]simplify:  Simplified to (* (* (hypot c d) (hypot c d)) (fma b c (* a d)))
* * * * [misc]progress:  [ 40 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (log1p (expm1 (- (* b c) (* a d)))) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (expm1 (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (expm1 (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (expm1 (- (* c b) (* d a)))
* * * * [misc]progress:  [ 41 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (expm1 (log1p (- (* b c) (* a d)))) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (log1p (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (log1p (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (log1p (- (* c b) (* d a)))
* * * * [misc]progress:  [ 42 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (log (/ (exp (* b c)) (exp (* a d)))) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (/ (exp (* b c)) (exp (* a d)))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* [exit]simplify:  Simplified to (exp (- (* c b) (* a d)))
* [exit]simplify:  Simplified to (exp (- (* c b) (* a d)))
* * * * [misc]progress:  [ 43 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (pow (- (* b c) (* a d)) 1) (sqr (hypot c d))))>
* * * * [misc]progress:  [ 44 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (exp (log (- (* b c) (* a d)))) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (log (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (log (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (log (- (* c b) (* d a)))
* * * * [misc]progress:  [ 45 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (log (exp (- (* b c) (* a d)))) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (exp (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* [exit]simplify:  Simplified to (exp (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (exp (- (* c b) (* d a)))
* * * * [misc]progress:  [ 46 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (cube (cbrt (- (* b c) (* a d)))) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (cbrt (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (cbrt (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (cbrt (- (* c b) (* d a)))
* * * * [misc]progress:  [ 47 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (cbrt (cube (- (* b c) (* a d)))) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (cube (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* [exit]simplify:  Simplified to (cube (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (cube (- (* c b) (* d a)))
* * * * [misc]progress:  [ 48 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (sqr (sqrt (- (* b c) (* a d)))) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (sqrt (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (sqrt (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (sqrt (- (* c b) (* d a)))
* * * * [misc]progress:  [ 49 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (+ (* b c) (- (* a d))) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (- (* a d))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (* a (- d))
* [exit]simplify:  Simplified to (* a (- d))
* * * * [misc]progress:  [ 50 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (* 1 (- (* b c) (* a d))) (sqr (hypot c d))))>
* * * * [misc]progress:  [ 51 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (/ (- (pow (* b c) 3) (pow (* a d) 3)) (+ (sqr (* b c)) (+ (sqr (* a d)) (* (* b c) (* a d))))) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (- (pow (* b c) 3) (pow (* a d) 3))
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (66 enodes)
* [exit]simplify:  Simplified to (- (cube (* c b)) (cube (* d a)))
* [exit]simplify:  Simplified to (- (cube (* c b)) (cube (* d a)))
* [enter]simplify:  Simplifying (+ (sqr (* b c)) (+ (sqr (* a d)) (* (* b c) (* a d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (116 enodes)
* * [misc]simplify:  iters left: 2 (213 enodes)
* * [misc]simplify:  iters left: 1 (299 enodes)
* [exit]simplify:  Simplified to (fma (* c b) (fma a d (* c b)) (sqr (* a d)))
* [exit]simplify:  Simplified to (fma (* c b) (fma a d (* c b)) (sqr (* a d)))
* * * * [misc]progress:  [ 52 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (/ (- (sqr (* b c)) (sqr (* a d))) (+ (* b c) (* a d))) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (- (sqr (* b c)) (sqr (* a d)))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (58 enodes)
* * [misc]simplify:  iters left: 1 (86 enodes)
* [exit]simplify:  Simplified to (- (* (* c b) (* c b)) (sqr (* a d)))
* [exit]simplify:  Simplified to (- (* (* c b) (* c b)) (sqr (* a d)))
* [enter]simplify:  Simplifying (+ (* b c) (* a d))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (14 enodes)
* [exit]simplify:  Simplified to (fma c b (* d a))
* [exit]simplify:  Simplified to (fma c b (* d a))
* * * * [misc]progress:  [ 53 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (* (+ (sqrt (* b c)) (sqrt (* a d))) (- (sqrt (* b c)) (sqrt (* a d)))) (sqr (hypot c d))))>
* [enter]simplify:  Simplifying (+ (sqrt (* b c)) (sqrt (* a d)))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* [exit]simplify:  Simplified to (+ (sqrt (* c b)) (sqrt (* a d)))
* [exit]simplify:  Simplified to (+ (sqrt (* c b)) (sqrt (* a d)))
* [enter]simplify:  Simplifying (- (sqrt (* b c)) (sqrt (* a d)))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (- (sqrt (* c b)) (sqrt (* a d)))
* [exit]simplify:  Simplified to (- (sqrt (* c b)) (sqrt (* a d)))
* * * * [misc]progress:  [ 54 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (log1p (expm1 (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (expm1 (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (expm1 (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (expm1 (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 55 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (expm1 (log1p (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (log1p (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (log1p (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (log1p (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 56 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (pow (hypot c d) 2)))>
* * * * [misc]progress:  [ 57 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (pow (sqr (hypot c d)) 1)))>
* * * * [misc]progress:  [ 58 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (exp (log (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (log (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (8 enodes)
* [exit]simplify:  Simplified to (+ (log (hypot c d)) (log (hypot c d)))
* [exit]simplify:  Simplified to (+ (log (hypot c d)) (log (hypot c d)))
* * * * [misc]progress:  [ 59 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (log (exp (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (exp (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (8 enodes)
* [exit]simplify:  Simplified to (exp (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (exp (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 60 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (cube (cbrt (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (cbrt (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (cbrt (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (cbrt (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 61 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (cbrt (cube (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (cube (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (8 enodes)
* * [misc]simplify:  iters left: 1 (14 enodes)
* [exit]simplify:  Simplified to (* (cube (hypot c d)) (cube (hypot c d)))
* [exit]simplify:  Simplified to (* (cube (hypot c d)) (cube (hypot c d)))
* * * * [misc]progress:  [ 62 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (sqr (sqrt (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (sqrt (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (7 enodes)
* [exit]simplify:  Simplified to (fabs (hypot c d))
* [exit]simplify:  Simplified to (fabs (hypot c d))
* * * * [misc]progress:  [ 63 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (* (sqr 1) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (sqr 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqr 1)
* [exit]simplify:  Simplified to (sqr 1)
* [enter]simplify:  Simplifying (sqr (hypot c d))
* * [misc]simplify:  iters left: 2 (4 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (* (hypot c d) (hypot c d))
* [exit]simplify:  Simplified to (* (hypot c d) (hypot c d))
* * * * [misc]progress:  [ 64 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (* (hypot c d) (hypot c d))))>
* * * * [misc]progress:  [ 65 / 65 ] simplifiying candidate #<alt-delta (λ (a b c d) (/ (- (* b c) (* a d)) (* 1 (sqr (hypot c d)))))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 3 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot c d)))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 4 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (/ (* b c) (sqr (hypot c d))) in (b c d) around 0
* [misc]taylor:  Taking taylor expansion of (/ (* b c) (sqr (hypot 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 (sqr (hypot c d)) in d
* [misc]taylor:  Taking taylor expansion of (hypot c d) in d
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* b c) into (* b c)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ (* b c) (sqr (hypot c d))) into (/ (* b c) (sqr (hypot c d)))
* [misc]taylor:  Taking taylor expansion of (/ (* b c) (sqr (hypot 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 (sqr (hypot c d)) in c
* [misc]taylor:  Taking taylor expansion of (hypot c d) in c
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* b 0) into 0
* [misc]backup-simplify:  Simplify (+ (* b 1) (* 0 0)) into b
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ b (sqr (hypot c d))) into (/ b (sqr (hypot c d)))
* [misc]taylor:  Taking taylor expansion of (/ (* b c) (sqr (hypot 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 (sqr (hypot c d)) in b
* [misc]taylor:  Taking taylor expansion of (hypot c d) in b
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* 0 c) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 c)) into c
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ c (sqr (hypot c d))) into (/ c (sqr (hypot c d)))
* [misc]taylor:  Taking taylor expansion of (/ (* b c) (sqr (hypot 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 (sqr (hypot c d)) in b
* [misc]taylor:  Taking taylor expansion of (hypot c d) in b
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* 0 c) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 c)) into c
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ c (sqr (hypot c d))) into (/ c (sqr (hypot c d)))
* [misc]taylor:  Taking taylor expansion of (/ c (sqr (hypot 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 (sqr (hypot c d)) in c
* [misc]taylor:  Taking taylor expansion of (hypot c d) in c
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot c d))) into (/ 1 (sqr (hypot c d)))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr (hypot c d))) in d
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in d
* [misc]taylor:  Taking taylor expansion of (hypot c d) in d
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot c d))) into (/ 1 (sqr (hypot c d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot c d))) into (/ 1 (sqr (hypot c d)))
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 c))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (* 0 (hypot c d))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot c d))) (+ (* (/ c (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))))) 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 (+ (* (hypot c d) 0) (* 0 (hypot c d))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot c d))) (+ (* (/ 1 (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))))) 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 (+ (* (hypot c d) 0) (* 0 (hypot c d))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 c)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (* 0 (hypot c d)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot c d))) (+ (* (/ c (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))) (* 0 (/ 0 (sqr (hypot c d)))))) 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 (+ (* (hypot c d) 0) (+ (* 0 0) (* 0 (hypot c d)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot c d))) (+ (* (/ 1 (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))) (* 0 (/ 0 (sqr (hypot c d)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ 1 (sqr (hypot c d))) (* 1 (* c b))) into (/ (* b c) (sqr (hypot c d)))
* [misc]approximate:  Taking taylor expansion of (/ (* (/ 1 b) (/ 1 c)) (sqr (hypot (/ 1 c) (/ 1 d)))) in (b c d) around 0
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 b) (/ 1 c)) (sqr (hypot (/ 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 (sqr (hypot (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (/ 1 b) (/ 1 c)) into (/ 1 (* b c))
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 (* b c)) (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* b c)))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 b) (/ 1 c)) (sqr (hypot (/ 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 (sqr (hypot (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (/ 1 b) 1) into (/ 1 b)
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 b) (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) b))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 b) (/ 1 c)) (sqr (hypot (/ 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 (sqr (hypot (/ 1 c) (/ 1 d))) in b
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in b
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* 1 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 c) (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) c))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 b) (/ 1 c)) (sqr (hypot (/ 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 (sqr (hypot (/ 1 c) (/ 1 d))) in b
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in b
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* 1 (/ 1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 c) (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) c))
* [misc]taylor:  Taking taylor expansion of (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) c)) in c
* [misc]taylor:  Taking taylor expansion of (* (sqr (hypot (/ 1 c) (/ 1 d))) c) in c
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [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 (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 1) (* 0 0)) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (sqr (hypot (/ 1 c) (/ 1 d))))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) in d
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (sqr (hypot (/ 1 c) (/ 1 d))))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (sqr (hypot (/ 1 c) (/ 1 d))))
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 c))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot (/ 1 c) (/ 1 d)))) (+ (* (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) c)) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) 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 (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 c) (/ 0 c)) (* 0 (/ 0 c)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 c)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot (/ 1 c) (/ 1 d)))) (+ (* (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) c)) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) 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 (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) 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]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (* 1 (* (/ 1 (/ 1 c)) (/ 1 (/ 1 b))))) into (/ (* b c) (sqr (hypot (/ 1 c) (/ 1 d))))
* [misc]approximate:  Taking taylor expansion of (/ (* (/ 1 (- b)) (/ 1 (- c))) (sqr (hypot (/ 1 (- c)) (/ 1 (- d))))) in (b c d) around 0
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- b)) (/ 1 (- c))) (sqr (hypot (/ 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 (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (/ -1 b) (/ -1 c)) into (/ 1 (* b c))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 (* b c)) (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (* b (* c (sqr (hypot (/ -1 c) (/ -1 d))))))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- b)) (/ 1 (- c))) (sqr (hypot (/ 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 (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (/ -1 b) -1) into (/ 1 b)
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 b) (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (* b (sqr (hypot (/ -1 c) (/ -1 d)))))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- b)) (/ 1 (- c))) (sqr (hypot (/ 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 (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in b
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in b
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 c) (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (* c (sqr (hypot (/ -1 c) (/ -1 d)))))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- b)) (/ 1 (- c))) (sqr (hypot (/ 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 (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in b
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in b
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 c)) into (/ 1 c)
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 c) (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (* c (sqr (hypot (/ -1 c) (/ -1 d)))))
* [misc]taylor:  Taking taylor expansion of (/ 1 (* c (sqr (hypot (/ -1 c) (/ -1 d))))) in c
* [misc]taylor:  Taking taylor expansion of (* c (sqr (hypot (/ -1 c) (/ -1 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 (sqr (hypot (/ -1 c) (/ -1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ -1 c) (/ -1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ -1 c) (/ -1 d)) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (* 0 (sqr (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (sqr (hypot (/ -1 c) (/ -1 d))))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (sqr (hypot (/ -1 c) (/ -1 d))))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) in d
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ -1 c) (/ -1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ -1 c) (/ -1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ -1 c) (/ -1 d)) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (sqr (hypot (/ -1 c) (/ -1 d))))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (sqr (hypot (/ -1 c) (/ -1 d))))
* [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 (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 c))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot (/ -1 c) (/ -1 d)))) (+ (* (/ 1 (* c (sqr (hypot (/ -1 c) (/ -1 d))))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (sqr (hypot (/ -1 c) (/ -1 d)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) 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 (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]backup-simplify:  Simplify 0 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 (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 c)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot (/ -1 c) (/ -1 d)))) (+ (* (/ 1 (* c (sqr (hypot (/ -1 c) (/ -1 d))))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) 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 (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) 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]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (* 1 (* (/ 1 (/ 1 (- c))) (/ 1 (/ 1 (- b)))))) into (/ (* b c) (sqr (hypot (/ -1 c) (/ -1 d))))
* * * * [misc]progress:  [ 2 / 4 ] generating series at (2 2)
* [misc]approximate:  Taking taylor expansion of (/ (* d a) (sqr (hypot c d))) in (d a c) around 0
* [misc]taylor:  Taking taylor expansion of (/ (* d a) (sqr (hypot c d))) in c
* [misc]taylor:  Taking taylor expansion of (* d a) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in c
* [misc]taylor:  Taking taylor expansion of (hypot c d) in c
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* d a) into (* d a)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ (* d a) (sqr (hypot c d))) into (/ (* d a) (sqr (hypot c d)))
* [misc]taylor:  Taking taylor expansion of (/ (* d a) (sqr (hypot c d))) in a
* [misc]taylor:  Taking taylor expansion of (* d a) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in a
* [misc]taylor:  Taking taylor expansion of (hypot c d) in a
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* d 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d 1) (* 0 0)) into d
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ d (sqr (hypot c d))) into (/ d (sqr (hypot c d)))
* [misc]taylor:  Taking taylor expansion of (/ (* d a) (sqr (hypot c d))) in d
* [misc]taylor:  Taking taylor expansion of (* d a) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in d
* [misc]taylor:  Taking taylor expansion of (hypot c d) in d
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* 0 a) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 a)) into a
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ a (sqr (hypot c d))) into (/ a (sqr (hypot c d)))
* [misc]taylor:  Taking taylor expansion of (/ (* d a) (sqr (hypot c d))) in d
* [misc]taylor:  Taking taylor expansion of (* d a) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in d
* [misc]taylor:  Taking taylor expansion of (hypot c d) in d
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* 0 a) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 a)) into a
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ a (sqr (hypot c d))) into (/ a (sqr (hypot c d)))
* [misc]taylor:  Taking taylor expansion of (/ a (sqr (hypot 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 (sqr (hypot c d)) in a
* [misc]taylor:  Taking taylor expansion of (hypot c d) in a
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot c d))) into (/ 1 (sqr (hypot c d)))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr (hypot c d))) in c
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in c
* [misc]taylor:  Taking taylor expansion of (hypot c d) in c
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot c d))) into (/ 1 (sqr (hypot c d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot c d))) into (/ 1 (sqr (hypot c d)))
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 a))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (* 0 (hypot c d))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot c d))) (+ (* (/ a (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (* 0 (hypot c d))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot c d))) (+ (* (/ 1 (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (* 0 (hypot c d))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 a)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (* 0 (hypot c d)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot c d))) (+ (* (/ a (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))) (* 0 (/ 0 (sqr (hypot c d)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [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]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (* 0 (hypot c d)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot c d))) (+ (* (/ 1 (sqr (hypot c d))) (/ 0 (sqr (hypot c d)))) (* 0 (/ 0 (sqr (hypot c d)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ 1 (sqr (hypot c d))) (* 1 (* a d))) into (/ (* d a) (sqr (hypot c d)))
* [misc]approximate:  Taking taylor expansion of (/ (* (/ 1 d) (/ 1 a)) (sqr (hypot (/ 1 c) (/ 1 d)))) in (d a c) around 0
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 d) (/ 1 a)) (sqr (hypot (/ 1 c) (/ 1 d)))) in c
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d) (/ 1 a)) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (/ 1 d) (/ 1 a)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 (* d a)) (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) (* d a)))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 d) (/ 1 a)) (sqr (hypot (/ 1 c) (/ 1 d)))) in a
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d) (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (/ 1 d) into (/ 1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in a
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (/ 1 d) 1) into (/ 1 d)
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 d) (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) d))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 d) (/ 1 a)) (sqr (hypot (/ 1 c) (/ 1 d)))) in d
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d) (/ 1 a)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* 1 (/ 1 a)) into (/ 1 a)
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 a) (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) a))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 d) (/ 1 a)) (sqr (hypot (/ 1 c) (/ 1 d)))) in d
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d) (/ 1 a)) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (/ 1 a) into (/ 1 a)
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* 1 (/ 1 a)) into (/ 1 a)
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 a) (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) a)) in a
* [misc]taylor:  Taking taylor expansion of (* (sqr (hypot (/ 1 c) (/ 1 d))) a) in a
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in a
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in a
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 1) (* 0 0)) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (sqr (hypot (/ 1 c) (/ 1 d))))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) in c
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (sqr (hypot (/ 1 c) (/ 1 d))))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) into (/ 1 (sqr (hypot (/ 1 c) (/ 1 d))))
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 a))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot (/ 1 c) (/ 1 d)))) (+ (* (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) a)) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 a) (/ 0 a)) (* 0 (/ 0 a)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 a)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot (/ 1 c) (/ 1 d)))) (+ (* (/ 1 (* (sqr (hypot (/ 1 c) (/ 1 d))) a)) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (sqr (hypot (/ 1 c) (/ 1 d))) 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))) (* 0 (/ 0 (sqr (hypot (/ 1 c) (/ 1 d))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ 1 (sqr (hypot (/ 1 c) (/ 1 d)))) (* 1 (* (/ 1 (/ 1 a)) (/ 1 (/ 1 d))))) into (/ (* d a) (sqr (hypot (/ 1 c) (/ 1 d))))
* [misc]approximate:  Taking taylor expansion of (/ (* (/ 1 (- d)) (/ 1 (- a))) (sqr (hypot (/ 1 (- c)) (/ 1 (- d))))) in (d a c) around 0
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- d)) (/ 1 (- a))) (sqr (hypot (/ 1 (- c)) (/ 1 (- d))))) in c
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d)) (/ 1 (- a))) in c
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in c
* [misc]taylor:  Taking taylor expansion of (- d) in c
* [misc]taylor:  Taking taylor expansion of d in c
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in c
* [misc]taylor:  Taking taylor expansion of (- a) in c
* [misc]taylor:  Taking taylor expansion of a in c
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (/ -1 d) (/ -1 a)) into (/ 1 (* d a))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 (* d a)) (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (* d (* a (sqr (hypot (/ -1 c) (/ -1 d))))))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- d)) (/ 1 (- a))) (sqr (hypot (/ 1 (- c)) (/ 1 (- d))))) in a
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d)) (/ 1 (- a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in a
* [misc]taylor:  Taking taylor expansion of (- d) in a
* [misc]taylor:  Taking taylor expansion of d in a
* [misc]backup-simplify:  Simplify d into d
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (- d) into (- d)
* [misc]backup-simplify:  Simplify (/ 1 (- d)) into (/ -1 d)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in a
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in a
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (/ -1 d) -1) into (/ 1 d)
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 d) (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (* d (sqr (hypot (/ -1 c) (/ -1 d)))))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- d)) (/ 1 (- a))) (sqr (hypot (/ 1 (- c)) (/ 1 (- d))))) in d
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d)) (/ 1 (- a))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in d
* [misc]taylor:  Taking taylor expansion of (- d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in d
* [misc]taylor:  Taking taylor expansion of (- a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 a)) into (/ 1 a)
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 a) (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (* a (sqr (hypot (/ -1 c) (/ -1 d)))))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- d)) (/ 1 (- a))) (sqr (hypot (/ 1 (- c)) (/ 1 (- d))))) in d
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d)) (/ 1 (- a))) in d
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d)) in d
* [misc]taylor:  Taking taylor expansion of (- d) in d
* [misc]taylor:  Taking taylor expansion of d in d
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in d
* [misc]taylor:  Taking taylor expansion of (- a) in d
* [misc]taylor:  Taking taylor expansion of a in d
* [misc]backup-simplify:  Simplify a into a
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (/ 1 (- a)) into (/ -1 a)
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 a)) into (/ 1 a)
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ (/ 1 a) (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (* a (sqr (hypot (/ -1 c) (/ -1 d)))))
* [misc]taylor:  Taking taylor expansion of (/ 1 (* a (sqr (hypot (/ -1 c) (/ -1 d))))) in a
* [misc]taylor:  Taking taylor expansion of (* a (sqr (hypot (/ -1 c) (/ -1 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 (sqr (hypot (/ -1 c) (/ -1 d))) in a
* [misc]taylor:  Taking taylor expansion of (hypot (/ -1 c) (/ -1 d)) in a
* [misc]backup-simplify:  Simplify (hypot (/ -1 c) (/ -1 d)) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (* 0 (sqr (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (sqr (hypot (/ -1 c) (/ -1 d))))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (sqr (hypot (/ -1 c) (/ -1 d))))
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) in c
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ -1 c) (/ -1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ -1 c) (/ -1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ -1 c) (/ -1 d)) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (sqr (hypot (/ -1 c) (/ -1 d))))
* [misc]backup-simplify:  Simplify (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) into (/ 1 (sqr (hypot (/ -1 c) (/ -1 d))))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 a))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot (/ -1 c) (/ -1 d)))) (+ (* (/ 1 (* a (sqr (hypot (/ -1 c) (/ -1 d))))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (sqr (hypot (/ -1 c) (/ -1 d)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- a) into (- a)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 a) (/ 0 (- a))) (* 0 (/ 0 (- a))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 a)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (sqr (hypot (/ -1 c) (/ -1 d)))) (+ (* (/ 1 (* a (sqr (hypot (/ -1 c) (/ -1 d))))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in c
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))) (* 0 (/ 0 (sqr (hypot (/ -1 c) (/ -1 d))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ 1 (sqr (hypot (/ -1 c) (/ -1 d)))) (* 1 (* (/ 1 (/ 1 (- a))) (/ 1 (/ 1 (- d)))))) into (/ (* d a) (sqr (hypot (/ -1 c) (/ -1 d))))
* * * * [misc]progress:  [ 3 / 4 ] generating series at (2 2 2)
* [misc]approximate:  Taking taylor expansion of (sqr (hypot c d)) in (c d) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in d
* [misc]taylor:  Taking taylor expansion of (hypot c d) in d
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in c
* [misc]taylor:  Taking taylor expansion of (hypot c d) in c
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in c
* [misc]taylor:  Taking taylor expansion of (hypot c d) in c
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in d
* [misc]taylor:  Taking taylor expansion of (hypot c d) in d
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (sqr (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (* 0 (hypot c d))) 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 (+ (* (hypot c d) 0) (* 0 (hypot c d))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (* 0 (hypot c d)))) 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]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (* 0 (hypot c d)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot c d))))) 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 (sqr (hypot c d)) into (sqr (hypot c d))
* [misc]approximate:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in (c d) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (sqr (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) 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 (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) 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]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d)))))) 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 (sqr (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]approximate:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in (c d) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ -1 c) (/ -1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ -1 c) (/ -1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ -1 c) (/ -1 d)) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (sqr (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) 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 (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) 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]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d)))))) 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 (sqr (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* * * * [misc]progress:  [ 4 / 4 ] generating series at (2 1 2)
* [misc]approximate:  Taking taylor expansion of (sqr (hypot c d)) in (c d) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in d
* [misc]taylor:  Taking taylor expansion of (hypot c d) in d
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in c
* [misc]taylor:  Taking taylor expansion of (hypot c d) in c
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in c
* [misc]taylor:  Taking taylor expansion of (hypot c d) in c
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot c d)) in d
* [misc]taylor:  Taking taylor expansion of (hypot c d) in d
* [misc]backup-simplify:  Simplify (hypot c d) into (hypot c d)
* [misc]backup-simplify:  Simplify (* (hypot c d) (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (sqr (hypot c d)) into (sqr (hypot c d))
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (* 0 (hypot c d))) 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 (+ (* (hypot c d) 0) (* 0 (hypot c d))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (* 0 (hypot c d)))) 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]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (* 0 (hypot c d)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot c d) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot c d))))) 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 (sqr (hypot c d)) into (sqr (hypot c d))
* [misc]approximate:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in (c d) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 c) (/ 1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 c) (/ 1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 c) (/ 1 d)) into (hypot (/ 1 c) (/ 1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ 1 c) (/ 1 d)) (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (sqr (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) 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 (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (* 0 (hypot (/ 1 c) (/ 1 d)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) 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]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ 1 c) (/ 1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ 1 c) (/ 1 d)))))) 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 (sqr (hypot (/ 1 c) (/ 1 d))) into (sqr (hypot (/ 1 c) (/ 1 d)))
* [misc]approximate:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in (c d) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in d
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ 1 (- c)) (/ 1 (- d)))) in c
* [misc]taylor:  Taking taylor expansion of (hypot (/ 1 (- c)) (/ 1 (- d))) in c
* [misc]backup-simplify:  Simplify (hypot (/ 1 (- c)) (/ 1 (- d))) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]taylor:  Taking taylor expansion of (sqr (hypot (/ -1 c) (/ -1 d))) in d
* [misc]taylor:  Taking taylor expansion of (hypot (/ -1 c) (/ -1 d)) in d
* [misc]backup-simplify:  Simplify (hypot (/ -1 c) (/ -1 d)) into (hypot (/ -1 c) (/ -1 d))
* [misc]backup-simplify:  Simplify (* (hypot (/ -1 c) (/ -1 d)) (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (sqr (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) 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 (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (* 0 (hypot (/ -1 c) (/ -1 d)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) 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]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* (hypot (/ -1 c) (/ -1 d)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (hypot (/ -1 c) (/ -1 d)))))) 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 (sqr (hypot (/ -1 c) (/ -1 d))) into (sqr (hypot (/ -1 c) (/ -1 d)))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 4 ] rewriting at (2 1)
* * * * [misc]progress:  [ 2 / 4 ] rewriting at (2 2)
* * * * [misc]progress:  [ 3 / 4 ] rewriting at (2 2 2)
* * * * [misc]progress:  [ 4 / 4 ] rewriting at (2 1 2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 82 ] simplifiying candidate #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (62 enodes)
* * [misc]simplify:  iters left: 2 (74 enodes)
* * [misc]simplify:  iters left: 1 (86 enodes)
* [exit]simplify:  Simplified to (- (* (/ b (hypot c d)) (/ c (hypot c d))) (* (/ a (hypot c d)) (/ d (hypot c d))))
* * * * [misc]progress:  [ 2 / 82 ] simplifiying candidate #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot (/ 1 c) (/ 1 d)))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (- (/ (* b c) (sqr (hypot (/ 1 c) (/ 1 d)))) (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (16 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (70 enodes)
* * [misc]simplify:  iters left: 2 (82 enodes)
* * [misc]simplify:  iters left: 1 (94 enodes)
* [exit]simplify:  Simplified to (- (/ (/ c (hypot (/ 1 c) (/ 1 d))) (/ (hypot (/ 1 c) (/ 1 d)) b)) (/ (/ d (hypot c d)) (/ (hypot c d) a)))
* * * * [misc]progress:  [ 3 / 82 ] simplifiying candidate #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot (/ -1 c) (/ -1 d)))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (- (/ (* b c) (sqr (hypot (/ -1 c) (/ -1 d)))) (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (16 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (68 enodes)
* * [misc]simplify:  iters left: 2 (80 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (* (/ c (hypot (/ -1 c) (/ -1 d))) (/ b (hypot (/ -1 c) (/ -1 d)))) (/ (/ (* a d) (hypot c d)) (hypot c d)))
* * * * [misc]progress:  [ 4 / 82 ] simplifiying candidate #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (62 enodes)
* * [misc]simplify:  iters left: 2 (74 enodes)
* * [misc]simplify:  iters left: 1 (86 enodes)
* [exit]simplify:  Simplified to (- (* (/ b (hypot c d)) (/ c (hypot c d))) (* (/ a (hypot c d)) (/ d (hypot c d))))
* * * * [misc]progress:  [ 5 / 82 ] simplifiying candidate #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot (/ 1 c) (/ 1 d))))))>
* [enter]simplify:  Simplifying (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot (/ 1 c) (/ 1 d)))))
* * [misc]simplify:  iters left: 6 (16 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (70 enodes)
* * [misc]simplify:  iters left: 2 (82 enodes)
* * [misc]simplify:  iters left: 1 (94 enodes)
* [exit]simplify:  Simplified to (- (/ (/ c (hypot c d)) (/ (hypot c d) b)) (/ (/ a (hypot (/ 1 c) (/ 1 d))) (/ (hypot (/ 1 c) (/ 1 d)) d)))
* * * * [misc]progress:  [ 6 / 82 ] simplifiying candidate #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot (/ -1 c) (/ -1 d))))))>
* [enter]simplify:  Simplifying (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot (/ -1 c) (/ -1 d)))))
* * [misc]simplify:  iters left: 6 (16 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (68 enodes)
* * [misc]simplify:  iters left: 2 (80 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (* (/ c (hypot c d)) (/ b (hypot c d))) (/ (/ (* d a) (hypot (/ -1 c) (/ -1 d))) (hypot (/ -1 c) (/ -1 d))))
* * * * [misc]progress:  [ 7 / 82 ] simplifiying candidate #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (62 enodes)
* * [misc]simplify:  iters left: 2 (74 enodes)
* * [misc]simplify:  iters left: 1 (86 enodes)
* [exit]simplify:  Simplified to (- (* (/ b (hypot c d)) (/ c (hypot c d))) (* (/ a (hypot c d)) (/ d (hypot c d))))
* * * * [misc]progress:  [ 8 / 82 ] simplifiying candidate #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot (/ 1 c) (/ 1 d))))))>
* [enter]simplify:  Simplifying (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot (/ 1 c) (/ 1 d)))))
* * [misc]simplify:  iters left: 6 (16 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (70 enodes)
* * [misc]simplify:  iters left: 2 (82 enodes)
* * [misc]simplify:  iters left: 1 (94 enodes)
* [exit]simplify:  Simplified to (- (/ (/ c (hypot c d)) (/ (hypot c d) b)) (/ (/ a (hypot (/ 1 c) (/ 1 d))) (/ (hypot (/ 1 c) (/ 1 d)) d)))
* * * * [misc]progress:  [ 9 / 82 ] simplifiying candidate #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot (/ -1 c) (/ -1 d))))))>
* [enter]simplify:  Simplifying (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot (/ -1 c) (/ -1 d)))))
* * [misc]simplify:  iters left: 6 (16 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (68 enodes)
* * [misc]simplify:  iters left: 2 (80 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (* (/ c (hypot c d)) (/ b (hypot c d))) (/ (/ (* d a) (hypot (/ -1 c) (/ -1 d))) (hypot (/ -1 c) (/ -1 d))))
* * * * [misc]progress:  [ 10 / 82 ] simplifiying candidate #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (62 enodes)
* * [misc]simplify:  iters left: 2 (74 enodes)
* * [misc]simplify:  iters left: 1 (86 enodes)
* [exit]simplify:  Simplified to (- (* (/ b (hypot c d)) (/ c (hypot c d))) (* (/ a (hypot c d)) (/ d (hypot c d))))
* * * * [misc]progress:  [ 11 / 82 ] simplifiying candidate #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot (/ 1 c) (/ 1 d)))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (- (/ (* b c) (sqr (hypot (/ 1 c) (/ 1 d)))) (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (16 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (70 enodes)
* * [misc]simplify:  iters left: 2 (82 enodes)
* * [misc]simplify:  iters left: 1 (94 enodes)
* [exit]simplify:  Simplified to (- (/ (/ c (hypot (/ 1 c) (/ 1 d))) (/ (hypot (/ 1 c) (/ 1 d)) b)) (/ (/ d (hypot c d)) (/ (hypot c d) a)))
* * * * [misc]progress:  [ 12 / 82 ] simplifiying candidate #<alt-event (λ (a b c d) (- (/ (* b c) (sqr (hypot (/ -1 c) (/ -1 d)))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (- (/ (* b c) (sqr (hypot (/ -1 c) (/ -1 d)))) (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (16 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (68 enodes)
* * [misc]simplify:  iters left: 2 (80 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (- (* (/ c (hypot (/ -1 c) (/ -1 d))) (/ b (hypot (/ -1 c) (/ -1 d)))) (/ (/ (* a d) (hypot c d)) (hypot c d)))
* * * * [misc]progress:  [ 13 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (log1p (expm1 (/ (* b c) (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (expm1 (/ (* b c) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* * [misc]simplify:  iters left: 1 (40 enodes)
* [exit]simplify:  Simplified to (expm1 (/ (/ c (hypot c d)) (/ (hypot c d) b)))
* [exit]simplify:  Simplified to (expm1 (/ (/ c (hypot c d)) (/ (hypot c d) b)))
* * * * [misc]progress:  [ 14 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (expm1 (log1p (/ (* b c) (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (log1p (/ (* b c) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* * [misc]simplify:  iters left: 1 (40 enodes)
* [exit]simplify:  Simplified to (log1p (/ (/ c (hypot c d)) (/ (hypot c d) b)))
* [exit]simplify:  Simplified to (log1p (/ (/ c (hypot c d)) (/ (hypot c d) b)))
* * * * [misc]progress:  [ 15 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (pow (/ (* b c) (sqr (hypot c d))) 1) (/ (* d a) (sqr (hypot c d)))))>
* * * * [misc]progress:  [ 16 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (exp (- (log (* b c)) (log (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (- (log (* b c)) (log (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (32 enodes)
* [exit]simplify:  Simplified to (- (- (log (* c b)) (log (hypot c d))) (log (hypot c d)))
* [exit]simplify:  Simplified to (- (- (log (* c b)) (log (hypot c d))) (log (hypot c d)))
* * * * [misc]progress:  [ 17 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (exp (log (/ (* b c) (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (log (/ (* b c) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (79 enodes)
* [exit]simplify:  Simplified to (log (/ (/ c (hypot c d)) (/ (hypot c d) b)))
* [exit]simplify:  Simplified to (log (/ (/ c (hypot c d)) (/ (hypot c d) b)))
* * * * [misc]progress:  [ 18 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (log (exp (/ (* b c) (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (exp (/ (* b c) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (38 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (exp (* (/ b (hypot c d)) (/ c (hypot c d))))
* [exit]simplify:  Simplified to (exp (* (/ b (hypot c d)) (/ c (hypot c d))))
* * * * [misc]progress:  [ 19 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (cbrt (/ (cube (* b c)) (cube (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ (cube (* b c)) (cube (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (35 enodes)
* * [misc]simplify:  iters left: 2 (91 enodes)
* * [misc]simplify:  iters left: 1 (423 enodes)
* [exit]simplify:  Simplified to (/ (/ (cube (* c b)) (* (hypot c d) (hypot c d))) (sqr (* (hypot c d) (hypot c d))))
* [exit]simplify:  Simplified to (/ (/ (cube (* c b)) (* (hypot c d) (hypot c d))) (sqr (* (hypot c d) (hypot c d))))
* * * * [misc]progress:  [ 20 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (cube (cbrt (/ (* b c) (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (cbrt (/ (* b c) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* * [misc]simplify:  iters left: 1 (40 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (/ c (hypot c d)) (/ (hypot c d) b)))
* [exit]simplify:  Simplified to (cbrt (/ (/ c (hypot c d)) (/ (hypot c d) b)))
* * * * [misc]progress:  [ 21 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (cbrt (cube (/ (* b c) (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (cube (/ (* b c) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (122 enodes)
* * [misc]simplify:  iters left: 1 (244 enodes)
* [exit]simplify:  Simplified to (cube (* (/ b (hypot c d)) (/ c (hypot c d))))
* [exit]simplify:  Simplified to (cube (* (/ b (hypot c d)) (/ c (hypot c d))))
* * * * [misc]progress:  [ 22 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (cube (/ (cbrt (* b c)) (cbrt (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ (cbrt (* b c)) (cbrt (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (* c b)) (cbrt (* (hypot c d) (hypot c d))))
* [exit]simplify:  Simplified to (/ (cbrt (* c b)) (cbrt (* (hypot c d) (hypot c d))))
* * * * [misc]progress:  [ 23 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (sqr (sqrt (/ (* b c) (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (sqrt (/ (* b c) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* * [misc]simplify:  iters left: 1 (40 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (/ c (hypot c d)) (/ (hypot c d) b)))
* [exit]simplify:  Simplified to (sqrt (/ (/ c (hypot c d)) (/ (hypot c d) b)))
* * * * [misc]progress:  [ 24 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (sqr (/ (sqrt (* b c)) (hypot c d))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ (sqrt (* b c)) (hypot c d))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (* c b)) (hypot c d))
* [exit]simplify:  Simplified to (/ (sqrt (* c b)) (hypot c d))
* * * * [misc]progress:  [ 25 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (- (* b c)) (- (sqr (hypot c d)))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (- (* b c))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (* b (- c))
* [exit]simplify:  Simplified to (* b (- c))
* [enter]simplify:  Simplifying (- (sqr (hypot c d)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* [exit]simplify:  Simplified to (* (hypot c d) (- (hypot c d)))
* [exit]simplify:  Simplified to (* (hypot c d) (- (hypot c d)))
* * * * [misc]progress:  [ 26 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (* (/ b (sqr 1)) (/ c (sqr (hypot c d)))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ b (sqr 1))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (7 enodes)
* [exit]simplify:  Simplified to (/ b 1)
* [exit]simplify:  Simplified to (/ b 1)
* [enter]simplify:  Simplifying (/ c (sqr (hypot c d)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (8 enodes)
* [exit]simplify:  Simplified to (/ (/ c (hypot c d)) (hypot c d))
* [exit]simplify:  Simplified to (/ (/ c (hypot c d)) (hypot c d))
* * * * [misc]progress:  [ 27 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (* (/ b (hypot c d)) (/ c (hypot c d))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ b (hypot c d))
* * [misc]simplify:  iters left: 3 (5 enodes)
* [exit]simplify:  Simplified to (/ b (hypot c d))
* [exit]simplify:  Simplified to (/ b (hypot c d))
* [enter]simplify:  Simplifying (/ c (hypot c d))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (/ c (hypot c d))
* [exit]simplify:  Simplified to (/ c (hypot c d))
* * * * [misc]progress:  [ 28 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (* (/ b 1) (/ c (sqr (hypot c d)))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ b 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ b 1)
* [exit]simplify:  Simplified to (/ b 1)
* [enter]simplify:  Simplifying (/ c (sqr (hypot c d)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (8 enodes)
* [exit]simplify:  Simplified to (/ (/ c (hypot c d)) (hypot c d))
* [exit]simplify:  Simplified to (/ (/ c (hypot c d)) (hypot c d))
* * * * [misc]progress:  [ 29 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (* 1 (/ (* b c) (sqr (hypot c d)))) (/ (* d a) (sqr (hypot c d)))))>
* * * * [misc]progress:  [ 30 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (* (* b c) (/ 1 (sqr (hypot c d)))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ 1 (sqr (hypot c d)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (hypot c d)) (hypot c d))
* [exit]simplify:  Simplified to (/ (/ 1 (hypot c d)) (hypot c d))
* * * * [misc]progress:  [ 31 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ 1 (/ (sqr (hypot c d)) (* b c))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ (sqr (hypot c d)) (* 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 (31 enodes)
* [exit]simplify:  Simplified to (* (/ (hypot c d) (* c b)) (hypot c d))
* [exit]simplify:  Simplified to (* (/ (hypot c d) (* c b)) (hypot c d))
* * * * [misc]progress:  [ 32 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (/ (* b c) (sqr 1)) (sqr (hypot c d))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ (* b c) (sqr 1))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (18 enodes)
* * [misc]simplify:  iters left: 1 (27 enodes)
* [exit]simplify:  Simplified to (* c (/ b 1))
* [exit]simplify:  Simplified to (* c (/ b 1))
* * * * [misc]progress:  [ 33 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (/ (* b c) (hypot c d)) (hypot c d)) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ (* b c) (hypot c d))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (14 enodes)
* [exit]simplify:  Simplified to (/ (* c b) (hypot c d))
* [exit]simplify:  Simplified to (/ (* c b) (hypot c d))
* * * * [misc]progress:  [ 34 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (/ (* b c) 1) (sqr (hypot c d))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ (* b c) 1)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (* (/ b 1) c)
* [exit]simplify:  Simplified to (* (/ b 1) c)
* * * * [misc]progress:  [ 35 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ b (/ (sqr (hypot c d)) c)) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ (sqr (hypot c d)) c)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (8 enodes)
* * [misc]simplify:  iters left: 1 (10 enodes)
* [exit]simplify:  Simplified to (/ (* (hypot c d) (hypot c d)) c)
* [exit]simplify:  Simplified to (/ (* (hypot c d) (hypot c d)) c)
* * * * [misc]progress:  [ 36 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (log1p (expm1 (/ (* d a) (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (expm1 (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* * [misc]simplify:  iters left: 1 (40 enodes)
* [exit]simplify:  Simplified to (expm1 (/ (/ a (hypot c d)) (/ (hypot c d) d)))
* [exit]simplify:  Simplified to (expm1 (/ (/ a (hypot c d)) (/ (hypot c d) d)))
* * * * [misc]progress:  [ 37 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (expm1 (log1p (/ (* d a) (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (log1p (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* * [misc]simplify:  iters left: 1 (40 enodes)
* [exit]simplify:  Simplified to (log1p (/ (/ a (hypot c d)) (/ (hypot c d) d)))
* [exit]simplify:  Simplified to (log1p (/ (/ a (hypot c d)) (/ (hypot c d) d)))
* * * * [misc]progress:  [ 38 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (pow (/ (* d a) (sqr (hypot c d))) 1)))>
* * * * [misc]progress:  [ 39 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (exp (- (log (* d a)) (log (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (- (log (* d a)) (log (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (32 enodes)
* [exit]simplify:  Simplified to (- (- (log (* a d)) (log (hypot c d))) (log (hypot c d)))
* [exit]simplify:  Simplified to (- (- (log (* a d)) (log (hypot c d))) (log (hypot c d)))
* * * * [misc]progress:  [ 40 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (exp (log (/ (* d a) (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (log (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (79 enodes)
* [exit]simplify:  Simplified to (log (/ (/ a (hypot c d)) (/ (hypot c d) d)))
* [exit]simplify:  Simplified to (log (/ (/ a (hypot c d)) (/ (hypot c d) d)))
* * * * [misc]progress:  [ 41 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (log (exp (/ (* d a) (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (exp (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (38 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (exp (* (/ d (hypot c d)) (/ a (hypot c d))))
* [exit]simplify:  Simplified to (exp (* (/ d (hypot c d)) (/ a (hypot c d))))
* * * * [misc]progress:  [ 42 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (cbrt (/ (cube (* d a)) (cube (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (/ (cube (* d a)) (cube (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (35 enodes)
* * [misc]simplify:  iters left: 2 (91 enodes)
* * [misc]simplify:  iters left: 1 (423 enodes)
* [exit]simplify:  Simplified to (/ (/ (cube (* a d)) (* (hypot c d) (hypot c d))) (sqr (* (hypot c d) (hypot c d))))
* [exit]simplify:  Simplified to (/ (/ (cube (* a d)) (* (hypot c d) (hypot c d))) (sqr (* (hypot c d) (hypot c d))))
* * * * [misc]progress:  [ 43 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (cube (cbrt (/ (* d a) (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (cbrt (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* * [misc]simplify:  iters left: 1 (40 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (/ a (hypot c d)) (/ (hypot c d) d)))
* [exit]simplify:  Simplified to (cbrt (/ (/ a (hypot c d)) (/ (hypot c d) d)))
* * * * [misc]progress:  [ 44 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (cbrt (cube (/ (* d a) (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (cube (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (122 enodes)
* * [misc]simplify:  iters left: 1 (244 enodes)
* [exit]simplify:  Simplified to (cube (* (/ d (hypot c d)) (/ a (hypot c d))))
* [exit]simplify:  Simplified to (cube (* (/ d (hypot c d)) (/ a (hypot c d))))
* * * * [misc]progress:  [ 45 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (cube (/ (cbrt (* d a)) (cbrt (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (/ (cbrt (* d a)) (cbrt (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (* a d)) (cbrt (* (hypot c d) (hypot c d))))
* [exit]simplify:  Simplified to (/ (cbrt (* a d)) (cbrt (* (hypot c d) (hypot c d))))
* * * * [misc]progress:  [ 46 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (sqr (sqrt (/ (* d a) (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (sqrt (/ (* d a) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* * [misc]simplify:  iters left: 1 (40 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (/ a (hypot c d)) (/ (hypot c d) d)))
* [exit]simplify:  Simplified to (sqrt (/ (/ a (hypot c d)) (/ (hypot c d) d)))
* * * * [misc]progress:  [ 47 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (sqr (/ (sqrt (* d a)) (hypot c d)))))>
* [enter]simplify:  Simplifying (/ (sqrt (* d a)) (hypot c d))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (* a d)) (hypot c d))
* [exit]simplify:  Simplified to (/ (sqrt (* a d)) (hypot c d))
* * * * [misc]progress:  [ 48 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (- (* d a)) (- (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (- (* d a))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (* d (- a))
* [exit]simplify:  Simplified to (* d (- a))
* [enter]simplify:  Simplifying (- (sqr (hypot c d)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* [exit]simplify:  Simplified to (* (hypot c d) (- (hypot c d)))
* [exit]simplify:  Simplified to (* (hypot c d) (- (hypot c d)))
* * * * [misc]progress:  [ 49 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (* (/ d (sqr 1)) (/ a (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (/ d (sqr 1))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (7 enodes)
* [exit]simplify:  Simplified to (/ d 1)
* [exit]simplify:  Simplified to (/ d 1)
* [enter]simplify:  Simplifying (/ a (sqr (hypot c d)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* [exit]simplify:  Simplified to (/ (/ a (hypot c d)) (hypot c d))
* [exit]simplify:  Simplified to (/ (/ a (hypot c d)) (hypot c d))
* * * * [misc]progress:  [ 50 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (* (/ d (hypot c d)) (/ a (hypot c d)))))>
* [enter]simplify:  Simplifying (/ d (hypot c d))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (/ d (hypot c d))
* [exit]simplify:  Simplified to (/ d (hypot c d))
* [enter]simplify:  Simplifying (/ a (hypot c d))
* * [misc]simplify:  iters left: 3 (5 enodes)
* [exit]simplify:  Simplified to (/ a (hypot c d))
* [exit]simplify:  Simplified to (/ a (hypot c d))
* * * * [misc]progress:  [ 51 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (* (/ d 1) (/ a (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (/ d 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ d 1)
* [exit]simplify:  Simplified to (/ d 1)
* [enter]simplify:  Simplifying (/ a (sqr (hypot c d)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* [exit]simplify:  Simplified to (/ (/ a (hypot c d)) (hypot c d))
* [exit]simplify:  Simplified to (/ (/ a (hypot c d)) (hypot c d))
* * * * [misc]progress:  [ 52 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (* 1 (/ (* d a) (sqr (hypot c d))))))>
* * * * [misc]progress:  [ 53 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (* (* d a) (/ 1 (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (/ 1 (sqr (hypot c d)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (hypot c d)) (hypot c d))
* [exit]simplify:  Simplified to (/ (/ 1 (hypot c d)) (hypot c d))
* * * * [misc]progress:  [ 54 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ 1 (/ (sqr (hypot c d)) (* d a)))))>
* [enter]simplify:  Simplifying (/ (sqr (hypot c d)) (* d a))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* * [misc]simplify:  iters left: 1 (31 enodes)
* [exit]simplify:  Simplified to (* (/ (hypot c d) (* d a)) (hypot c d))
* [exit]simplify:  Simplified to (* (/ (hypot c d) (* d a)) (hypot c d))
* * * * [misc]progress:  [ 55 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (/ (* d a) (sqr 1)) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ (* d a) (sqr 1))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (18 enodes)
* * [misc]simplify:  iters left: 1 (27 enodes)
* [exit]simplify:  Simplified to (* a (/ d 1))
* [exit]simplify:  Simplified to (* a (/ d 1))
* * * * [misc]progress:  [ 56 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (/ (* d a) (hypot c d)) (hypot c d))))>
* [enter]simplify:  Simplifying (/ (* d a) (hypot c d))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (14 enodes)
* [exit]simplify:  Simplified to (/ (* a d) (hypot c d))
* [exit]simplify:  Simplified to (/ (* a d) (hypot c d))
* * * * [misc]progress:  [ 57 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (/ (* d a) 1) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (/ (* d a) 1)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (* (/ d 1) a)
* [exit]simplify:  Simplified to (* (/ d 1) a)
* * * * [misc]progress:  [ 58 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ d (/ (sqr (hypot c d)) a))))>
* [enter]simplify:  Simplifying (/ (sqr (hypot c d)) a)
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (/ (hypot c d) (/ a (hypot c d)))
* [exit]simplify:  Simplified to (/ (hypot c d) (/ a (hypot c d)))
* * * * [misc]progress:  [ 59 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (log1p (expm1 (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (expm1 (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (expm1 (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (expm1 (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 60 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (expm1 (log1p (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (log1p (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (log1p (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (log1p (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 61 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (pow (hypot c d) 2))))>
* * * * [misc]progress:  [ 62 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (pow (sqr (hypot c d)) 1))))>
* * * * [misc]progress:  [ 63 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (exp (log (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (log (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (8 enodes)
* [exit]simplify:  Simplified to (+ (log (hypot c d)) (log (hypot c d)))
* [exit]simplify:  Simplified to (+ (log (hypot c d)) (log (hypot c d)))
* * * * [misc]progress:  [ 64 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (log (exp (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (exp (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (8 enodes)
* [exit]simplify:  Simplified to (exp (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (exp (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 65 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (cube (cbrt (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (cbrt (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (cbrt (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (cbrt (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 66 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (cbrt (cube (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (cube (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (8 enodes)
* * [misc]simplify:  iters left: 1 (14 enodes)
* [exit]simplify:  Simplified to (* (cube (hypot c d)) (cube (hypot c d)))
* [exit]simplify:  Simplified to (* (cube (hypot c d)) (cube (hypot c d)))
* * * * [misc]progress:  [ 67 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (sqr (sqrt (sqr (hypot c d)))))))>
* [enter]simplify:  Simplifying (sqrt (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (7 enodes)
* [exit]simplify:  Simplified to (fabs (hypot c d))
* [exit]simplify:  Simplified to (fabs (hypot c d))
* * * * [misc]progress:  [ 68 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (* (sqr 1) (sqr (hypot c d))))))>
* [enter]simplify:  Simplifying (sqr 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqr 1)
* [exit]simplify:  Simplified to (sqr 1)
* [enter]simplify:  Simplifying (sqr (hypot c d))
* * [misc]simplify:  iters left: 2 (4 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (* (hypot c d) (hypot c d))
* [exit]simplify:  Simplified to (* (hypot c d) (hypot c d))
* * * * [misc]progress:  [ 69 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (* (hypot c d) (hypot c d)))))>
* * * * [misc]progress:  [ 70 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (/ (* d a) (* 1 (sqr (hypot c d))))))>
* * * * [misc]progress:  [ 71 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (log1p (expm1 (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (expm1 (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (expm1 (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (expm1 (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 72 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (expm1 (log1p (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (log1p (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (log1p (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (log1p (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 73 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (pow (hypot c d) 2)) (/ (* d a) (sqr (hypot c d)))))>
* * * * [misc]progress:  [ 74 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (pow (sqr (hypot c d)) 1)) (/ (* d a) (sqr (hypot c d)))))>
* * * * [misc]progress:  [ 75 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (exp (log (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (log (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (8 enodes)
* [exit]simplify:  Simplified to (+ (log (hypot c d)) (log (hypot c d)))
* [exit]simplify:  Simplified to (+ (log (hypot c d)) (log (hypot c d)))
* * * * [misc]progress:  [ 76 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (log (exp (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (exp (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (8 enodes)
* [exit]simplify:  Simplified to (exp (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (exp (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 77 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (cube (cbrt (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (cbrt (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (cbrt (* (hypot c d) (hypot c d)))
* [exit]simplify:  Simplified to (cbrt (* (hypot c d) (hypot c d)))
* * * * [misc]progress:  [ 78 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (cbrt (cube (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (cube (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (8 enodes)
* * [misc]simplify:  iters left: 1 (14 enodes)
* [exit]simplify:  Simplified to (* (cube (hypot c d)) (cube (hypot c d)))
* [exit]simplify:  Simplified to (* (cube (hypot c d)) (cube (hypot c d)))
* * * * [misc]progress:  [ 79 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (sqrt (sqr (hypot c d))))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (sqrt (sqr (hypot c d)))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (7 enodes)
* [exit]simplify:  Simplified to (fabs (hypot c d))
* [exit]simplify:  Simplified to (fabs (hypot c d))
* * * * [misc]progress:  [ 80 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (* (sqr 1) (sqr (hypot c d)))) (/ (* d a) (sqr (hypot c d)))))>
* [enter]simplify:  Simplifying (sqr 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqr 1)
* [exit]simplify:  Simplified to (sqr 1)
* [enter]simplify:  Simplifying (sqr (hypot c d))
* * [misc]simplify:  iters left: 2 (4 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (* (hypot c d) (hypot c d))
* [exit]simplify:  Simplified to (* (hypot c d) (hypot c d))
* * * * [misc]progress:  [ 81 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (* (hypot c d) (hypot c d))) (/ (* d a) (sqr (hypot c d)))))>
* * * * [misc]progress:  [ 82 / 82 ] simplifiying candidate #<alt-delta (λ (a b c d) (- (/ (* b c) (* 1 (sqr (hypot c d)))) (/ (* d a) (sqr (hypot c d)))))>
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime-changes:  Finding splitpoints for: (#<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (* (/ d 1) (/ a (sqr (hypot c d))))))> #<alt-delta (λ (a b c d) (/ (cube (cbrt (- (* b c) (* a d)))) (+ (sqr c) (sqr d))))> #<alt-delta (λ (a b c d) (cube (cbrt (/ (- (* b c) (* a d)) (sqr (hypot c d))))))> #<alt-event (λ (a b c d) 0)> #<alt-delta (λ (a b c d) (- (* (/ b 1) (/ c (sqr (hypot c d)))) (/ (* d a) (sqr (hypot c d)))))>)
* [misc]regimes:  Found splitpoints: (#s(sp 0 c 1.5651492f+15) #s(sp 1 c +inf.0)) , with alts (#<alt-delta (λ (a b c d) (- (/ (* b c) (sqr (hypot c d))) (* (/ d 1) (/ a (sqr (hypot c d))))))> #<alt-delta (λ (a b c d) (- (* (/ b 1) (/ c (sqr (hypot c d)))) (/ (* d a) (sqr (hypot c d)))))>)
* [misc]splitpoints:  intervals are:  ((#f . #s(sp 0 c 1.5651492f+15)))
* [misc]splitpoints:  intervals are:  ((#s(sp 0 c 1.5651492f+15) . #s(sp 1 c +inf.0)))
* [enter]simplify:  Simplifying (cbrt (- (* b c) (* a d)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (cbrt (- (* c b) (* d a)))
* [exit]simplify:  Simplified to (cbrt (- (* c b) (* d a)))
* [enter]simplify:  Simplifying (cbrt (/ (- (* b c) (* a d)) (sqr (hypot c d))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (68 enodes)
* * [misc]simplify:  iters left: 2 (88 enodes)
* * [misc]simplify:  iters left: 1 (100 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* [exit]simplify:  Simplified to (cbrt (/ (- (* c b) (* d a)) (* (hypot c d) (hypot c d))))
* [enter]simplify:  Simplifying 0
* * [misc]simplify:  iters left: 0 (1 enodes)
* [exit]simplify:  Simplified to 0
* [enter]simplify:  Simplifying 0
* * [misc]simplify:  iters left: 0 (1 enodes)
* [exit]simplify:  Simplified to 0