* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * [misc]progress:  [2/2] Setting up program.
* [enter]simplify:  Simplifying (/ a (- (acos a)))
* * [misc]simplify:  iters left: 5 (4 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [misc]progress:  [Phase 2 of 3] Improving.
* * [misc]progress:  iteration 1 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-event (λ (a) (/ a (- (acos a))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (/ a (- (acos a))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ a (- (acos 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]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos a))) into (/ -1 (acos a))
* [misc]taylor:  Taking taylor expansion of (/ a (- (acos 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]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos a))) into (/ -1 (acos a))
* [misc]backup-simplify:  Simplify (/ -1 (acos a)) into (/ -1 (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
* [misc]approximate:  Taking taylor expansion of (/ (/ 1 a) (- (acos (/ 1 a)))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 a) (- (acos (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos (/ 1 a)))) into (/ -1 (acos (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 a) (- (acos (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos (/ 1 a)))) into (/ -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) 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 (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) 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)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) 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)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ -1 (acos (/ 1 a))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos (/ 1 a))))
* [misc]approximate:  Taking taylor expansion of (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))) 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 (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ -1 (- (acos (/ -1 a)))) into (/ 1 (acos (/ -1 a)))
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))) 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 (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ -1 (- (acos (/ -1 a)))) into (/ 1 (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
* [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 (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) 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 (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) 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 (- 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)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) 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 (- 0) into 0
* [misc]backup-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)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ 1 (acos (/ -1 a))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos (/ -1 a))))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 19 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos a))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 2 / 19 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos (/ 1 a)))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos (/ 1 a))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* * [misc]simplify:  iters left: 1 (23 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos (/ 1 a)))
* * * * [misc]progress:  [ 3 / 19 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos (/ -1 a)))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos (/ -1 a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* * [misc]simplify:  iters left: 1 (20 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos (/ -1 a)))
* * * * [misc]progress:  [ 4 / 19 ] simplifiying candidate #<alt-delta (λ (a) (log1p (expm1 (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (expm1 (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (expm1 (/ a (- (acos a))))
* [exit]simplify:  Simplified to (expm1 (/ a (- (acos a))))
* * * * [misc]progress:  [ 5 / 19 ] simplifiying candidate #<alt-delta (λ (a) (expm1 (log1p (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (log1p (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (log1p (/ a (- (acos a))))
* [exit]simplify:  Simplified to (log1p (/ a (- (acos a))))
* * * * [misc]progress:  [ 6 / 19 ] simplifiying candidate #<alt-delta (λ (a) (pow (/ a (- (acos a))) 1))>
* * * * [misc]progress:  [ 7 / 19 ] simplifiying candidate #<alt-delta (λ (a) (exp (log (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (log (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* * * * [misc]progress:  [ 8 / 19 ] simplifiying candidate #<alt-delta (λ (a) (log (exp (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (exp (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* * * * [misc]progress:  [ 9 / 19 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (cbrt (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 10 / 19 ] simplifiying candidate #<alt-delta (λ (a) (cbrt (cube (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (cube (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (36 enodes)
* * [misc]simplify:  iters left: 2 (64 enodes)
* * [misc]simplify:  iters left: 1 (113 enodes)
* [exit]simplify:  Simplified to (cube (/ a (- (acos a))))
* [exit]simplify:  Simplified to (cube (/ a (- (acos a))))
* * * * [misc]progress:  [ 11 / 19 ] simplifiying candidate #<alt-delta (λ (a) (sqr (sqrt (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (sqrt (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 12 / 19 ] simplifiying candidate #<alt-delta (λ (a) (/ (- a) (- (- (acos a)))))>
* [enter]simplify:  Simplifying (- a)
* * [misc]simplify:  iters left: 2 (2 enodes)
* [exit]simplify:  Simplified to (- a)
* [exit]simplify:  Simplified to (- a)
* [enter]simplify:  Simplifying (- (- (acos a)))
* * [misc]simplify:  iters left: 5 (4 enodes)
* [exit]simplify:  Simplified to (acos a)
* [exit]simplify:  Simplified to (acos a)
* * * * [misc]progress:  [ 13 / 19 ] simplifiying candidate #<alt-delta (λ (a) (* 1 (/ a (- (acos a)))))>
* * * * [misc]progress:  [ 14 / 19 ] simplifiying candidate #<alt-delta (λ (a) (* a (/ 1 (- (acos a)))))>
* [enter]simplify:  Simplifying (/ 1 (- (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* * * * [misc]progress:  [ 15 / 19 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (- (acos a)) a)))>
* [enter]simplify:  Simplifying (/ (- (acos a)) a)
* * [misc]simplify:  iters left: 5 (4 enodes)
* * [misc]simplify:  iters left: 4 (6 enodes)
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* * * * [misc]progress:  [ 16 / 19 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ a 1) (- (acos a))))>
* [enter]simplify:  Simplifying (/ a 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ a 1)
* [exit]simplify:  Simplified to (/ a 1)
* * * * [misc]progress:  [ 17 / 19 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ a -1) (acos a)))>
* [enter]simplify:  Simplifying (/ a -1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (/ a -1)
* [exit]simplify:  Simplified to (/ a -1)
* * * * [misc]progress:  [ 18 / 19 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ a (- 1)) (acos a)))>
* [enter]simplify:  Simplifying (/ a (- 1))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (/ a (- 1))
* [exit]simplify:  Simplified to (/ a (- 1))
* * * * [misc]progress:  [ 19 / 19 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ a 1) (- (acos a))))>
* [enter]simplify:  Simplifying (/ a 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ a 1)
* [exit]simplify:  Simplified to (/ a 1)
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (a) (cube (cbrt (/ a (- (acos a))))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 3 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (cube (cbrt (/ a (- (acos a))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (cube (cbrt (/ a (- (acos a))))) in a
* [misc]backup-simplify:  Simplify (cube (cbrt (/ a (- (acos a))))) into (* -1 (/ a (acos a)))
* [misc]taylor:  Taking taylor expansion of (cube (cbrt (/ a (- (acos a))))) in a
* [misc]backup-simplify:  Simplify (cube (cbrt (/ a (- (acos a))))) into (* -1 (/ a (acos a)))
* [misc]backup-simplify:  Simplify (* -1 (/ a (acos a))) into (* -1 (/ a (acos a)))
* [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 (* -1 (/ a (acos a))) into (* -1 (/ a (acos a)))
* [misc]approximate:  Taking taylor expansion of (cube (cbrt (/ (/ 1 a) (- (acos (/ 1 a)))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (cube (cbrt (/ (/ 1 a) (- (acos (/ 1 a)))))) in a
* [misc]backup-simplify:  Simplify (cube (cbrt (/ (/ 1 a) (- (acos (/ 1 a)))))) into (/ -1 (* (acos (/ 1 a)) a))
* [misc]taylor:  Taking taylor expansion of (cube (cbrt (/ (/ 1 a) (- (acos (/ 1 a)))))) in a
* [misc]backup-simplify:  Simplify (cube (cbrt (/ (/ 1 a) (- (acos (/ 1 a)))))) into (/ -1 (* (acos (/ 1 a)) a))
* [misc]backup-simplify:  Simplify (/ -1 (* (acos (/ 1 a)) a)) into (/ -1 (* (acos (/ 1 a)) a))
* [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 (/ -1 (* (acos (/ 1 a)) a)) into (/ -1 (* (acos (/ 1 a)) a))
* [misc]approximate:  Taking taylor expansion of (cube (cbrt (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (cube (cbrt (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))))) in a
* [misc]backup-simplify:  Simplify (cube (cbrt (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))))) into (/ 1 (* a (acos (/ -1 a))))
* [misc]taylor:  Taking taylor expansion of (cube (cbrt (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))))) in a
* [misc]backup-simplify:  Simplify (cube (cbrt (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))))) into (/ 1 (* a (acos (/ -1 a))))
* [misc]backup-simplify:  Simplify (/ 1 (* a (acos (/ -1 a)))) into (/ 1 (* a (acos (/ -1 a))))
* [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 (/ 1 (* a (acos (/ -1 a)))) into (/ 1 (* a (acos (/ -1 a))))
* * * * [misc]progress:  [ 2 / 3 ] generating series at (2 1 1)
* [misc]approximate:  Taking taylor expansion of (/ a (- (acos a))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ a (- (acos 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]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos a))) into (/ -1 (acos a))
* [misc]taylor:  Taking taylor expansion of (/ a (- (acos 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]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos a))) into (/ -1 (acos a))
* [misc]backup-simplify:  Simplify (/ -1 (acos a)) into (/ -1 (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
* [misc]approximate:  Taking taylor expansion of (/ (/ 1 a) (- (acos (/ 1 a)))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 a) (- (acos (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos (/ 1 a)))) into (/ -1 (acos (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 a) (- (acos (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos (/ 1 a)))) into (/ -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) 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 (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) 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)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) 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)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ -1 (acos (/ 1 a))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos (/ 1 a))))
* [misc]approximate:  Taking taylor expansion of (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))) 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 (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ -1 (- (acos (/ -1 a)))) into (/ 1 (acos (/ -1 a)))
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))) 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 (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ -1 (- (acos (/ -1 a)))) into (/ 1 (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
* [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 (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) 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 (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) 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 (- 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)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) 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 (- 0) into 0
* [misc]backup-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)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ 1 (acos (/ -1 a))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos (/ -1 a))))
* * * * [misc]progress:  [ 3 / 3 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (cbrt (/ a (- (acos a)))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (cbrt (/ a (- (acos a)))) in a
* [misc]backup-simplify:  Simplify (cbrt (/ a (- (acos a)))) into (cbrt (* -1 (/ a (acos a))))
* [misc]taylor:  Taking taylor expansion of (cbrt (/ a (- (acos a)))) in a
* [misc]backup-simplify:  Simplify (cbrt (/ a (- (acos a)))) into (cbrt (* -1 (/ a (acos a))))
* [misc]backup-simplify:  Simplify (cbrt (* -1 (/ a (acos a)))) into (cbrt (* -1 (/ a (acos a))))
* [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 (cbrt (* -1 (/ a (acos a)))) into (cbrt (* -1 (/ a (acos a))))
* [misc]approximate:  Taking taylor expansion of (cbrt (/ (/ 1 a) (- (acos (/ 1 a))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (cbrt (/ (/ 1 a) (- (acos (/ 1 a))))) in a
* [misc]backup-simplify:  Simplify (cbrt (/ (/ 1 a) (- (acos (/ 1 a))))) into (cbrt (/ -1 (* (acos (/ 1 a)) a)))
* [misc]taylor:  Taking taylor expansion of (cbrt (/ (/ 1 a) (- (acos (/ 1 a))))) in a
* [misc]backup-simplify:  Simplify (cbrt (/ (/ 1 a) (- (acos (/ 1 a))))) into (cbrt (/ -1 (* (acos (/ 1 a)) a)))
* [misc]backup-simplify:  Simplify (cbrt (/ -1 (* (acos (/ 1 a)) a))) into (cbrt (/ -1 (* (acos (/ 1 a)) a)))
* [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 (cbrt (/ -1 (* (acos (/ 1 a)) a))) into (cbrt (/ -1 (* (acos (/ 1 a)) a)))
* [misc]approximate:  Taking taylor expansion of (cbrt (/ (/ 1 (- a)) (- (acos (/ 1 (- a)))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (cbrt (/ (/ 1 (- a)) (- (acos (/ 1 (- a)))))) in a
* [misc]backup-simplify:  Simplify (cbrt (/ (/ 1 (- a)) (- (acos (/ 1 (- a)))))) into (cbrt (/ 1 (* a (acos (/ -1 a)))))
* [misc]taylor:  Taking taylor expansion of (cbrt (/ (/ 1 (- a)) (- (acos (/ 1 (- a)))))) in a
* [misc]backup-simplify:  Simplify (cbrt (/ (/ 1 (- a)) (- (acos (/ 1 (- a)))))) into (cbrt (/ 1 (* a (acos (/ -1 a)))))
* [misc]backup-simplify:  Simplify (cbrt (/ 1 (* a (acos (/ -1 a))))) into (cbrt (/ 1 (* a (acos (/ -1 a)))))
* [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 (cbrt (/ 1 (* a (acos (/ -1 a))))) into (cbrt (/ 1 (* a (acos (/ -1 a)))))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 3 ] rewriting at (2)
* * * * [misc]progress:  [ 2 / 3 ] rewriting at (2 1 1)
* * * * [misc]progress:  [ 3 / 3 ] rewriting at (2 1)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 53 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos a))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 2 / 53 ] simplifiying candidate #<alt-event (λ (a) (/ -1 (* (acos (/ 1 a)) a)))>
* [enter]simplify:  Simplifying (/ -1 (* (acos (/ 1 a)) a))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (/ (/ -1 (acos (/ 1 a))) a)
* * * * [misc]progress:  [ 3 / 53 ] simplifiying candidate #<alt-event (λ (a) (/ 1 (* a (acos (/ -1 a)))))>
* [enter]simplify:  Simplifying (/ 1 (* a (acos (/ -1 a))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 a) (acos (/ -1 a)))
* * * * [misc]progress:  [ 4 / 53 ] simplifiying candidate #<alt-event (λ (a) (cube (cbrt (* -1 (/ a (acos a))))))>
* [enter]simplify:  Simplifying (cube (cbrt (* -1 (/ a (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 5 / 53 ] simplifiying candidate #<alt-event (λ (a) (cube (cbrt (* -1 (/ a (acos (/ 1 a)))))))>
* [enter]simplify:  Simplifying (cube (cbrt (* -1 (/ a (acos (/ 1 a))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos (/ 1 a)))
* * * * [misc]progress:  [ 6 / 53 ] simplifiying candidate #<alt-event (λ (a) (cube (cbrt (* -1 (/ a (acos (/ -1 a)))))))>
* [enter]simplify:  Simplifying (cube (cbrt (* -1 (/ a (acos (/ -1 a))))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (25 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos (/ -1 a)))
* * * * [misc]progress:  [ 7 / 53 ] simplifiying candidate #<alt-event (λ (a) (cube (cbrt (* -1 (/ a (acos a))))))>
* [enter]simplify:  Simplifying (cube (cbrt (* -1 (/ a (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 8 / 53 ] simplifiying candidate #<alt-event (λ (a) (cube (cbrt (/ -1 (* (acos (/ 1 a)) a)))))>
* [enter]simplify:  Simplifying (cube (cbrt (/ -1 (* (acos (/ 1 a)) a))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (/ (/ -1 a) (acos (/ 1 a)))
* * * * [misc]progress:  [ 9 / 53 ] simplifiying candidate #<alt-event (λ (a) (cube (cbrt (/ 1 (* a (acos (/ -1 a)))))))>
* [enter]simplify:  Simplifying (cube (cbrt (/ 1 (* a (acos (/ -1 a))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 a) (acos (/ -1 a)))
* * * * [misc]progress:  [ 10 / 53 ] simplifiying candidate #<alt-delta (λ (a) (log1p (expm1 (cube (cbrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (expm1 (cube (cbrt (/ a (- (acos a))))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (expm1 (/ a (- (acos a))))
* [exit]simplify:  Simplified to (expm1 (/ a (- (acos a))))
* * * * [misc]progress:  [ 11 / 53 ] simplifiying candidate #<alt-delta (λ (a) (expm1 (log1p (cube (cbrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (log1p (cube (cbrt (/ a (- (acos a))))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (log1p (/ a (- (acos a))))
* [exit]simplify:  Simplified to (log1p (/ a (- (acos a))))
* * * * [misc]progress:  [ 12 / 53 ] simplifiying candidate #<alt-delta (λ (a) (pow (cbrt (/ a (- (acos a)))) 3))>
* * * * [misc]progress:  [ 13 / 53 ] simplifiying candidate #<alt-delta (λ (a) (pow (cube (cbrt (/ a (- (acos a))))) 1))>
* * * * [misc]progress:  [ 14 / 53 ] simplifiying candidate #<alt-delta (λ (a) (exp (log (cube (cbrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (log (cube (cbrt (/ a (- (acos a))))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* * * * [misc]progress:  [ 15 / 53 ] simplifiying candidate #<alt-delta (λ (a) (log (exp (cube (cbrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (exp (cube (cbrt (/ a (- (acos a))))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* * * * [misc]progress:  [ 16 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (cube (cbrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (cbrt (cube (cbrt (/ a (- (acos a))))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 17 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cbrt (cube (cube (cbrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (cube (cube (cbrt (/ a (- (acos a))))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (51 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (107 enodes)
* [exit]simplify:  Simplified to (cube (/ a (- (acos a))))
* [exit]simplify:  Simplified to (cube (/ a (- (acos a))))
* * * * [misc]progress:  [ 18 / 53 ] simplifiying candidate #<alt-delta (λ (a) (* (cube (cbrt 1)) (cube (cbrt (/ a (- (acos a)))))))>
* [enter]simplify:  Simplifying (cube (cbrt 1))
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (7 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (cube (cbrt (/ a (- (acos a)))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 19 / 53 ] simplifiying candidate #<alt-delta (λ (a) (* (cube (cbrt a)) (cube (cbrt (/ 1 (- (acos a)))))))>
* [enter]simplify:  Simplifying (cube (cbrt a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to a
* [exit]simplify:  Simplified to a
* [enter]simplify:  Simplifying (cube (cbrt (/ 1 (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* * * * [misc]progress:  [ 20 / 53 ] simplifiying candidate #<alt-delta (λ (a) (* (cube 1) (cube (cbrt (/ a (- (acos a)))))))>
* [enter]simplify:  Simplifying (cube 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (cube 1)
* [exit]simplify:  Simplified to (cube 1)
* [enter]simplify:  Simplifying (cube (cbrt (/ a (- (acos a)))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 21 / 53 ] simplifiying candidate #<alt-delta (λ (a) (/ (cube (cbrt a)) (cube (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (cube (cbrt a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to a
* [exit]simplify:  Simplified to a
* [enter]simplify:  Simplifying (cube (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* [exit]simplify:  Simplified to (- (acos a))
* [exit]simplify:  Simplified to (- (acos a))
* * * * [misc]progress:  [ 22 / 53 ] simplifiying candidate #<alt-delta (λ (a) (* (cbrt (/ a (- (acos a)))) (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))))>
* [enter]simplify:  Simplifying (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (7 enodes)
* [exit]simplify:  Simplified to (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
* [exit]simplify:  Simplified to (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
* * * * [misc]progress:  [ 23 / 53 ] simplifiying candidate #<alt-delta (λ (a) (sqr (sqrt (cube (cbrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (sqrt (cube (cbrt (/ a (- (acos a))))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 24 / 53 ] simplifiying candidate #<alt-delta (λ (a) (* 1 (cube (cbrt (/ a (- (acos a)))))))>
* * * * [misc]progress:  [ 25 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (log1p (expm1 (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (expm1 (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (expm1 (/ a (- (acos a))))
* [exit]simplify:  Simplified to (expm1 (/ a (- (acos a))))
* * * * [misc]progress:  [ 26 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (expm1 (log1p (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (log1p (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (log1p (/ a (- (acos a))))
* [exit]simplify:  Simplified to (log1p (/ a (- (acos a))))
* * * * [misc]progress:  [ 27 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (pow (/ a (- (acos a))) 1))))>
* * * * [misc]progress:  [ 28 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (exp (log (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (log (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* * * * [misc]progress:  [ 29 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (log (exp (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (exp (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* * * * [misc]progress:  [ 30 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (cube (cbrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (cbrt (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 31 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (cbrt (cube (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (cube (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (36 enodes)
* * [misc]simplify:  iters left: 2 (64 enodes)
* * [misc]simplify:  iters left: 1 (113 enodes)
* [exit]simplify:  Simplified to (cube (/ a (- (acos a))))
* [exit]simplify:  Simplified to (cube (/ a (- (acos a))))
* * * * [misc]progress:  [ 32 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (sqr (sqrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (sqrt (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 33 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (/ (- a) (- (- (acos a)))))))>
* [enter]simplify:  Simplifying (- a)
* * [misc]simplify:  iters left: 2 (2 enodes)
* [exit]simplify:  Simplified to (- a)
* [exit]simplify:  Simplified to (- a)
* [enter]simplify:  Simplifying (- (- (acos a)))
* * [misc]simplify:  iters left: 5 (4 enodes)
* [exit]simplify:  Simplified to (acos a)
* [exit]simplify:  Simplified to (acos a)
* * * * [misc]progress:  [ 34 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (* 1 (/ a (- (acos a)))))))>
* * * * [misc]progress:  [ 35 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (* a (/ 1 (- (acos a)))))))>
* [enter]simplify:  Simplifying (/ 1 (- (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* * * * [misc]progress:  [ 36 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (/ 1 (/ (- (acos a)) a)))))>
* [enter]simplify:  Simplifying (/ (- (acos a)) a)
* * [misc]simplify:  iters left: 5 (4 enodes)
* * [misc]simplify:  iters left: 4 (6 enodes)
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* * * * [misc]progress:  [ 37 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (/ (/ a 1) (- (acos a))))))>
* [enter]simplify:  Simplifying (/ a 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ a 1)
* [exit]simplify:  Simplified to (/ a 1)
* * * * [misc]progress:  [ 38 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (/ (/ a -1) (acos a)))))>
* [enter]simplify:  Simplifying (/ a -1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (/ a -1)
* [exit]simplify:  Simplified to (/ a -1)
* * * * [misc]progress:  [ 39 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (/ (/ a (- 1)) (acos a)))))>
* [enter]simplify:  Simplifying (/ a (- 1))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (/ a (- 1))
* [exit]simplify:  Simplified to (/ a (- 1))
* * * * [misc]progress:  [ 40 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (/ (/ a 1) (- (acos a))))))>
* [enter]simplify:  Simplifying (/ a 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ a 1)
* [exit]simplify:  Simplified to (/ a 1)
* * * * [misc]progress:  [ 41 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (log1p (expm1 (cbrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (expm1 (cbrt (/ a (- (acos a)))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* [exit]simplify:  Simplified to (expm1 (cbrt (/ a (- (acos a)))))
* [exit]simplify:  Simplified to (expm1 (cbrt (/ a (- (acos a)))))
* * * * [misc]progress:  [ 42 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (expm1 (log1p (cbrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (log1p (cbrt (/ a (- (acos a)))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* [exit]simplify:  Simplified to (log1p (cbrt (/ a (- (acos a)))))
* [exit]simplify:  Simplified to (log1p (cbrt (/ a (- (acos a)))))
* * * * [misc]progress:  [ 43 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (pow (/ a (- (acos a))) 1/3)))>
* * * * [misc]progress:  [ 44 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (pow (cbrt (/ a (- (acos a)))) 1)))>
* * * * [misc]progress:  [ 45 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (exp (log (cbrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (log (cbrt (/ a (- (acos a)))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* [exit]simplify:  Simplified to (log (cbrt (/ a (- (acos a)))))
* [exit]simplify:  Simplified to (log (cbrt (/ a (- (acos a)))))
* * * * [misc]progress:  [ 46 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (log (exp (cbrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (exp (cbrt (/ a (- (acos a)))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* [exit]simplify:  Simplified to (exp (cbrt (/ a (- (acos a)))))
* [exit]simplify:  Simplified to (exp (cbrt (/ a (- (acos a)))))
* * * * [misc]progress:  [ 47 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (* (cbrt 1) (cbrt (/ a (- (acos a)))))))>
* [enter]simplify:  Simplifying (cbrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (cbrt 1)
* [exit]simplify:  Simplified to (cbrt 1)
* [enter]simplify:  Simplifying (cbrt (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 48 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (* (cbrt a) (cbrt (/ 1 (- (acos a)))))))>
* [enter]simplify:  Simplifying (cbrt a)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (cbrt a)
* [exit]simplify:  Simplified to (cbrt a)
* [enter]simplify:  Simplifying (cbrt (/ 1 (- (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* [exit]simplify:  Simplified to (cbrt (/ 1 (- (acos a))))
* [exit]simplify:  Simplified to (cbrt (/ 1 (- (acos a))))
* * * * [misc]progress:  [ 49 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt a) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (cbrt a)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (cbrt a)
* [exit]simplify:  Simplified to (cbrt a)
* [enter]simplify:  Simplifying (cbrt (- (acos a)))
* * [misc]simplify:  iters left: 4 (4 enodes)
* [exit]simplify:  Simplified to (cbrt (- (acos a)))
* [exit]simplify:  Simplified to (cbrt (- (acos a)))
* * * * [misc]progress:  [ 50 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cube (cbrt (cbrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (cbrt (cbrt (/ a (- (acos a)))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* [exit]simplify:  Simplified to (cbrt (cbrt (/ a (- (acos a)))))
* [exit]simplify:  Simplified to (cbrt (cbrt (/ a (- (acos a)))))
* * * * [misc]progress:  [ 51 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (cube (cbrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (cube (cbrt (/ a (- (acos a)))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 52 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (sqr (sqrt (cbrt (/ a (- (acos a))))))))>
* [enter]simplify:  Simplifying (sqrt (cbrt (/ a (- (acos a)))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* [exit]simplify:  Simplified to (sqrt (cbrt (/ a (- (acos a)))))
* [exit]simplify:  Simplified to (sqrt (cbrt (/ a (- (acos a)))))
* * * * [misc]progress:  [ 53 / 53 ] simplifiying candidate #<alt-delta (λ (a) (cube (* 1 (cbrt (/ a (- (acos a)))))))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 3 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (a) (cube (/ (cbrt a) (cbrt (- (acos a))))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 4 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (cube (/ (cbrt a) (cbrt (- (acos a))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (cube (/ (cbrt a) (cbrt (- (acos a))))) in a
* [misc]backup-simplify:  Simplify (cube (/ (cbrt a) (cbrt (- (acos a))))) into (cube (/ (cbrt a) (cbrt (- (acos a)))))
* [misc]taylor:  Taking taylor expansion of (cube (/ (cbrt a) (cbrt (- (acos a))))) in a
* [misc]backup-simplify:  Simplify (cube (/ (cbrt a) (cbrt (- (acos a))))) into (cube (/ (cbrt a) (cbrt (- (acos a)))))
* [misc]backup-simplify:  Simplify (cube (/ (cbrt a) (cbrt (- (acos a))))) into (cube (/ (cbrt a) (cbrt (- (acos a)))))
* [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 (cube (/ (cbrt a) (cbrt (- (acos a))))) into (cube (/ (cbrt a) (cbrt (- (acos a)))))
* [misc]approximate:  Taking taylor expansion of (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a)))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a)))))) in a
* [misc]backup-simplify:  Simplify (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a)))))) into (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))))
* [misc]taylor:  Taking taylor expansion of (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a)))))) in a
* [misc]backup-simplify:  Simplify (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a)))))) into (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))))
* [misc]backup-simplify:  Simplify (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a)))))) into (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))))
* [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 (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a)))))) into (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))))
* [misc]approximate:  Taking taylor expansion of (cube (/ (cbrt (/ 1 (- a))) (cbrt (- (acos (/ 1 (- a))))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (cube (/ (cbrt (/ 1 (- a))) (cbrt (- (acos (/ 1 (- a))))))) in a
* [misc]backup-simplify:  Simplify (cube (/ (cbrt (/ 1 (- a))) (cbrt (- (acos (/ 1 (- a))))))) into (cube (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))))
* [misc]taylor:  Taking taylor expansion of (cube (/ (cbrt (/ 1 (- a))) (cbrt (- (acos (/ 1 (- a))))))) in a
* [misc]backup-simplify:  Simplify (cube (/ (cbrt (/ 1 (- a))) (cbrt (- (acos (/ 1 (- a))))))) into (cube (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))))
* [misc]backup-simplify:  Simplify (cube (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a)))))) into (cube (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))))
* [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 (cube (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a)))))) into (cube (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))))
* * * * [misc]progress:  [ 2 / 4 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (/ (cbrt a) (cbrt (- (acos a)))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ (cbrt a) (cbrt (- (acos a)))) in a
* [misc]taylor:  Taking taylor expansion of (cbrt a) in a
* [misc]backup-simplify:  Simplify (cbrt a) into (cbrt a)
* [misc]taylor:  Taking taylor expansion of (cbrt (- (acos a))) in a
* [misc]backup-simplify:  Simplify (cbrt (- (acos a))) into (cbrt (- (acos a)))
* [misc]backup-simplify:  Simplify (/ (cbrt a) (cbrt (- (acos a)))) into (/ (cbrt a) (cbrt (- (acos a))))
* [misc]taylor:  Taking taylor expansion of (/ (cbrt a) (cbrt (- (acos a)))) in a
* [misc]taylor:  Taking taylor expansion of (cbrt a) in a
* [misc]backup-simplify:  Simplify (cbrt a) into (cbrt a)
* [misc]taylor:  Taking taylor expansion of (cbrt (- (acos a))) in a
* [misc]backup-simplify:  Simplify (cbrt (- (acos a))) into (cbrt (- (acos a)))
* [misc]backup-simplify:  Simplify (/ (cbrt a) (cbrt (- (acos a)))) into (/ (cbrt a) (cbrt (- (acos a))))
* [misc]backup-simplify:  Simplify (/ (cbrt a) (cbrt (- (acos a)))) into (/ (cbrt a) (cbrt (- (acos a))))
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos a)))) (+ (* (/ (cbrt a) (cbrt (- (acos a)))) (/ 0 (cbrt (- (acos a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos a)))) (+ (* (/ (cbrt a) (cbrt (- (acos a)))) (/ 0 (cbrt (- (acos a))))) (* 0 (/ 0 (cbrt (- (acos a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos a)))) (+ (* (/ (cbrt a) (cbrt (- (acos a)))) (/ 0 (cbrt (- (acos a))))) (* 0 (/ 0 (cbrt (- (acos a))))) (* 0 (/ 0 (cbrt (- (acos a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos a)))) (+ (* (/ (cbrt a) (cbrt (- (acos a)))) (/ 0 (cbrt (- (acos a))))) (* 0 (/ 0 (cbrt (- (acos a))))) (* 0 (/ 0 (cbrt (- (acos a))))) (* 0 (/ 0 (cbrt (- (acos a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos a)))) (+ (* (/ (cbrt a) (cbrt (- (acos a)))) (/ 0 (cbrt (- (acos a))))) (* 0 (/ 0 (cbrt (- (acos a))))) (* 0 (/ 0 (cbrt (- (acos a))))) (* 0 (/ 0 (cbrt (- (acos a))))) (* 0 (/ 0 (cbrt (- (acos a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos a)))) (+ (* (/ (cbrt a) (cbrt (- (acos a)))) (/ 0 (cbrt (- (acos a))))) (* 0 (/ 0 (cbrt (- (acos a))))) (* 0 (/ 0 (cbrt (- (acos a))))) (* 0 (/ 0 (cbrt (- (acos a))))) (* 0 (/ 0 (cbrt (- (acos a))))) (* 0 (/ 0 (cbrt (- (acos a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (cbrt a) (cbrt (- (acos a)))) into (/ (cbrt a) (cbrt (- (acos a))))
* [misc]approximate:  Taking taylor expansion of (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))) in a
* [misc]taylor:  Taking taylor expansion of (cbrt (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (cbrt (/ 1 a)) into (cbrt (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (cbrt (- (acos (/ 1 a)))) in a
* [misc]backup-simplify:  Simplify (cbrt (- (acos (/ 1 a)))) into (cbrt (- (acos (/ 1 a))))
* [misc]backup-simplify:  Simplify (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))) into (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a)))))
* [misc]taylor:  Taking taylor expansion of (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))) in a
* [misc]taylor:  Taking taylor expansion of (cbrt (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (cbrt (/ 1 a)) into (cbrt (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (cbrt (- (acos (/ 1 a)))) in a
* [misc]backup-simplify:  Simplify (cbrt (- (acos (/ 1 a)))) into (cbrt (- (acos (/ 1 a))))
* [misc]backup-simplify:  Simplify (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))) into (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a)))))
* [misc]backup-simplify:  Simplify (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))) into (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a)))))
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos (/ 1 a))))) (+ (* (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))) (/ 0 (cbrt (- (acos (/ 1 a)))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos (/ 1 a))))) (+ (* (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))) (/ 0 (cbrt (- (acos (/ 1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ 1 a)))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos (/ 1 a))))) (+ (* (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))) (/ 0 (cbrt (- (acos (/ 1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ 1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ 1 a)))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos (/ 1 a))))) (+ (* (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))) (/ 0 (cbrt (- (acos (/ 1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ 1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ 1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ 1 a)))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos (/ 1 a))))) (+ (* (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))) (/ 0 (cbrt (- (acos (/ 1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ 1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ 1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ 1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ 1 a)))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos (/ 1 a))))) (+ (* (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))) (/ 0 (cbrt (- (acos (/ 1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ 1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ 1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ 1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ 1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ 1 a)))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))) into (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a)))))
* [misc]approximate:  Taking taylor expansion of (/ (cbrt (/ 1 (- a))) (cbrt (- (acos (/ 1 (- a)))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ (cbrt (/ 1 (- a))) (cbrt (- (acos (/ 1 (- a)))))) in a
* [misc]taylor:  Taking taylor expansion of (cbrt (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (cbrt (/ 1 (- a))) into (cbrt (/ -1 a))
* [misc]taylor:  Taking taylor expansion of (cbrt (- (acos (/ 1 (- a))))) in a
* [misc]backup-simplify:  Simplify (cbrt (- (acos (/ 1 (- a))))) into (cbrt (- (acos (/ -1 a))))
* [misc]backup-simplify:  Simplify (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))) into (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a)))))
* [misc]taylor:  Taking taylor expansion of (/ (cbrt (/ 1 (- a))) (cbrt (- (acos (/ 1 (- a)))))) in a
* [misc]taylor:  Taking taylor expansion of (cbrt (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (cbrt (/ 1 (- a))) into (cbrt (/ -1 a))
* [misc]taylor:  Taking taylor expansion of (cbrt (- (acos (/ 1 (- a))))) in a
* [misc]backup-simplify:  Simplify (cbrt (- (acos (/ 1 (- a))))) into (cbrt (- (acos (/ -1 a))))
* [misc]backup-simplify:  Simplify (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))) into (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a)))))
* [misc]backup-simplify:  Simplify (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))) into (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a)))))
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos (/ -1 a))))) (+ (* (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))) (/ 0 (cbrt (- (acos (/ -1 a)))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos (/ -1 a))))) (+ (* (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))) (/ 0 (cbrt (- (acos (/ -1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ -1 a)))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos (/ -1 a))))) (+ (* (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))) (/ 0 (cbrt (- (acos (/ -1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ -1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ -1 a)))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos (/ -1 a))))) (+ (* (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))) (/ 0 (cbrt (- (acos (/ -1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ -1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ -1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ -1 a)))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos (/ -1 a))))) (+ (* (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))) (/ 0 (cbrt (- (acos (/ -1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ -1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ -1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ -1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ -1 a)))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (cbrt (- (acos (/ -1 a))))) (+ (* (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))) (/ 0 (cbrt (- (acos (/ -1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ -1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ -1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ -1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ -1 a)))))) (* 0 (/ 0 (cbrt (- (acos (/ -1 a)))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))) into (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a)))))
* * * * [misc]progress:  [ 3 / 4 ] generating series at (2 1 1)
* [misc]approximate:  Taking taylor expansion of (cbrt a) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (cbrt a) in a
* [misc]backup-simplify:  Simplify (cbrt a) into (cbrt a)
* [misc]taylor:  Taking taylor expansion of (cbrt a) in a
* [misc]backup-simplify:  Simplify (cbrt a) into (cbrt a)
* [misc]backup-simplify:  Simplify (cbrt a) into (cbrt a)
* [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 (cbrt a) into (cbrt a)
* [misc]approximate:  Taking taylor expansion of (cbrt (/ 1 a)) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (cbrt (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (cbrt (/ 1 a)) into (cbrt (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (cbrt (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (cbrt (/ 1 a)) into (cbrt (/ 1 a))
* [misc]backup-simplify:  Simplify (cbrt (/ 1 a)) into (cbrt (/ 1 a))
* [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 (cbrt (/ 1 a)) into (cbrt (/ 1 a))
* [misc]approximate:  Taking taylor expansion of (cbrt (/ 1 (- a))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (cbrt (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (cbrt (/ 1 (- a))) into (cbrt (/ -1 a))
* [misc]taylor:  Taking taylor expansion of (cbrt (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (cbrt (/ 1 (- a))) into (cbrt (/ -1 a))
* [misc]backup-simplify:  Simplify (cbrt (/ -1 a)) into (cbrt (/ -1 a))
* [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 (cbrt (/ -1 a)) into (cbrt (/ -1 a))
* * * * [misc]progress:  [ 4 / 4 ] generating series at (2 1 2)
* [misc]approximate:  Taking taylor expansion of (cbrt (- (acos a))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (cbrt (- (acos a))) in a
* [misc]backup-simplify:  Simplify (cbrt (- (acos a))) into (cbrt (- (acos a)))
* [misc]taylor:  Taking taylor expansion of (cbrt (- (acos a))) in a
* [misc]backup-simplify:  Simplify (cbrt (- (acos a))) into (cbrt (- (acos a)))
* [misc]backup-simplify:  Simplify (cbrt (- (acos a))) into (cbrt (- (acos a)))
* [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 (cbrt (- (acos a))) into (cbrt (- (acos a)))
* [misc]approximate:  Taking taylor expansion of (cbrt (- (acos (/ 1 a)))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (cbrt (- (acos (/ 1 a)))) in a
* [misc]backup-simplify:  Simplify (cbrt (- (acos (/ 1 a)))) into (cbrt (- (acos (/ 1 a))))
* [misc]taylor:  Taking taylor expansion of (cbrt (- (acos (/ 1 a)))) in a
* [misc]backup-simplify:  Simplify (cbrt (- (acos (/ 1 a)))) into (cbrt (- (acos (/ 1 a))))
* [misc]backup-simplify:  Simplify (cbrt (- (acos (/ 1 a)))) into (cbrt (- (acos (/ 1 a))))
* [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 (cbrt (- (acos (/ 1 a)))) into (cbrt (- (acos (/ 1 a))))
* [misc]approximate:  Taking taylor expansion of (cbrt (- (acos (/ 1 (- a))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (cbrt (- (acos (/ 1 (- a))))) in a
* [misc]backup-simplify:  Simplify (cbrt (- (acos (/ 1 (- a))))) into (cbrt (- (acos (/ -1 a))))
* [misc]taylor:  Taking taylor expansion of (cbrt (- (acos (/ 1 (- a))))) in a
* [misc]backup-simplify:  Simplify (cbrt (- (acos (/ 1 (- a))))) into (cbrt (- (acos (/ -1 a))))
* [misc]backup-simplify:  Simplify (cbrt (- (acos (/ -1 a)))) into (cbrt (- (acos (/ -1 a))))
* [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 (cbrt (- (acos (/ -1 a)))) into (cbrt (- (acos (/ -1 a))))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 4 ] rewriting at (2)
* * * * [misc]progress:  [ 2 / 4 ] rewriting at (2 1)
* * * * [misc]progress:  [ 3 / 4 ] rewriting at (2 1 1)
* * * * [misc]progress:  [ 4 / 4 ] rewriting at (2 1 2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 82 ] simplifiying candidate #<alt-event (λ (a) (cube (/ (cbrt a) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (cube (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (65 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 2 / 82 ] simplifiying candidate #<alt-event (λ (a) (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a)))))))>
* [enter]simplify:  Simplifying (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (34 enodes)
* * [misc]simplify:  iters left: 2 (54 enodes)
* * [misc]simplify:  iters left: 1 (93 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 a) (- (acos (/ 1 a))))
* * * * [misc]progress:  [ 3 / 82 ] simplifiying candidate #<alt-event (λ (a) (cube (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a)))))))>
* [enter]simplify:  Simplifying (cube (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (52 enodes)
* * [misc]simplify:  iters left: 1 (91 enodes)
* [exit]simplify:  Simplified to (/ (/ -1 a) (- (acos (/ -1 a))))
* * * * [misc]progress:  [ 4 / 82 ] simplifiying candidate #<alt-event (λ (a) (cube (/ (cbrt a) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (cube (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (65 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 5 / 82 ] simplifiying candidate #<alt-event (λ (a) (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a)))))))>
* [enter]simplify:  Simplifying (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos (/ 1 a))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (34 enodes)
* * [misc]simplify:  iters left: 2 (54 enodes)
* * [misc]simplify:  iters left: 1 (93 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 a) (- (acos (/ 1 a))))
* * * * [misc]progress:  [ 6 / 82 ] simplifiying candidate #<alt-event (λ (a) (cube (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a)))))))>
* [enter]simplify:  Simplifying (cube (/ (cbrt (/ -1 a)) (cbrt (- (acos (/ -1 a))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (52 enodes)
* * [misc]simplify:  iters left: 1 (91 enodes)
* [exit]simplify:  Simplified to (/ (/ -1 a) (- (acos (/ -1 a))))
* * * * [misc]progress:  [ 7 / 82 ] simplifiying candidate #<alt-event (λ (a) (cube (/ (cbrt a) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (cube (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (65 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 8 / 82 ] simplifiying candidate #<alt-event (λ (a) (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (cube (/ (cbrt (/ 1 a)) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (34 enodes)
* * [misc]simplify:  iters left: 2 (54 enodes)
* * [misc]simplify:  iters left: 1 (93 enodes)
* [exit]simplify:  Simplified to (/ 1 (* (- a) (acos a)))
* * * * [misc]progress:  [ 9 / 82 ] simplifiying candidate #<alt-event (λ (a) (cube (/ (cbrt (/ -1 a)) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (cube (/ (cbrt (/ -1 a)) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (52 enodes)
* * [misc]simplify:  iters left: 1 (91 enodes)
* [exit]simplify:  Simplified to (/ -1 (* (- a) (acos a)))
* * * * [misc]progress:  [ 10 / 82 ] simplifiying candidate #<alt-event (λ (a) (cube (/ (cbrt a) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (cube (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (65 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 11 / 82 ] simplifiying candidate #<alt-event (λ (a) (cube (/ (cbrt a) (cbrt (- (acos (/ 1 a)))))))>
* [enter]simplify:  Simplifying (cube (/ (cbrt a) (cbrt (- (acos (/ 1 a))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (66 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos (/ 1 a))))
* * * * [misc]progress:  [ 12 / 82 ] simplifiying candidate #<alt-event (λ (a) (cube (/ (cbrt a) (cbrt (- (acos (/ -1 a)))))))>
* [enter]simplify:  Simplifying (cube (/ (cbrt a) (cbrt (- (acos (/ -1 a))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (48 enodes)
* * [misc]simplify:  iters left: 1 (67 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos (/ -1 a))))
* * * * [misc]progress:  [ 13 / 82 ] simplifiying candidate #<alt-delta (λ (a) (log1p (expm1 (cube (/ (cbrt a) (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (expm1 (cube (/ (cbrt a) (cbrt (- (acos a))))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* * [misc]simplify:  iters left: 2 (47 enodes)
* * [misc]simplify:  iters left: 1 (66 enodes)
* [exit]simplify:  Simplified to (expm1 (/ a (- (acos a))))
* [exit]simplify:  Simplified to (expm1 (/ a (- (acos a))))
* * * * [misc]progress:  [ 14 / 82 ] simplifiying candidate #<alt-delta (λ (a) (expm1 (log1p (cube (/ (cbrt a) (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (log1p (cube (/ (cbrt a) (cbrt (- (acos a))))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* * [misc]simplify:  iters left: 2 (47 enodes)
* * [misc]simplify:  iters left: 1 (66 enodes)
* [exit]simplify:  Simplified to (log1p (/ a (- (acos a))))
* [exit]simplify:  Simplified to (log1p (/ a (- (acos a))))
* * * * [misc]progress:  [ 15 / 82 ] simplifiying candidate #<alt-delta (λ (a) (pow (/ (cbrt a) (cbrt (- (acos a)))) 3))>
* * * * [misc]progress:  [ 16 / 82 ] simplifiying candidate #<alt-delta (λ (a) (pow (cube (/ (cbrt a) (cbrt (- (acos a))))) 1))>
* * * * [misc]progress:  [ 17 / 82 ] simplifiying candidate #<alt-delta (λ (a) (exp (log (cube (/ (cbrt a) (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (log (cube (/ (cbrt a) (cbrt (- (acos a))))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (45 enodes)
* * [misc]simplify:  iters left: 2 (76 enodes)
* * [misc]simplify:  iters left: 1 (122 enodes)
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* * * * [misc]progress:  [ 18 / 82 ] simplifiying candidate #<alt-delta (λ (a) (log (exp (cube (/ (cbrt a) (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (exp (cube (/ (cbrt a) (cbrt (- (acos a))))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (49 enodes)
* * [misc]simplify:  iters left: 1 (65 enodes)
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* * * * [misc]progress:  [ 19 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (cube (/ (cbrt a) (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (cbrt (cube (/ (cbrt a) (cbrt (- (acos a))))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (71 enodes)
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 20 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cbrt (cube (cube (/ (cbrt a) (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (cube (cube (/ (cbrt a) (cbrt (- (acos a))))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (36 enodes)
* * [misc]simplify:  iters left: 3 (67 enodes)
* * [misc]simplify:  iters left: 2 (135 enodes)
* * [misc]simplify:  iters left: 1 (222 enodes)
* [exit]simplify:  Simplified to (cube (/ a (- (acos a))))
* [exit]simplify:  Simplified to (cube (/ a (- (acos a))))
* * * * [misc]progress:  [ 21 / 82 ] simplifiying candidate #<alt-delta (λ (a) (* (cube (/ 1 (cbrt 1))) (cube (/ (cbrt a) (cbrt (- (acos a)))))))>
* [enter]simplify:  Simplifying (cube (/ 1 (cbrt 1)))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (26 enodes)
* [exit]simplify:  Simplified to (/ 1 1)
* [exit]simplify:  Simplified to (/ 1 1)
* [enter]simplify:  Simplifying (cube (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (65 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 22 / 82 ] simplifiying candidate #<alt-delta (λ (a) (* (cube (/ 1 (cbrt -1))) (cube (/ (cbrt a) (cbrt (acos a))))))>
* [enter]simplify:  Simplifying (cube (/ 1 (cbrt -1)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* * [misc]simplify:  iters left: 1 (27 enodes)
* [exit]simplify:  Simplified to (/ 1 -1)
* [exit]simplify:  Simplified to (/ 1 -1)
* [enter]simplify:  Simplifying (cube (/ (cbrt a) (cbrt (acos a))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* * [misc]simplify:  iters left: 1 (45 enodes)
* [exit]simplify:  Simplified to (/ a (acos a))
* [exit]simplify:  Simplified to (/ a (acos a))
* * * * [misc]progress:  [ 23 / 82 ] simplifiying candidate #<alt-delta (λ (a) (* (cube (/ 1 (cbrt (- 1)))) (cube (/ (cbrt a) (cbrt (acos a))))))>
* [enter]simplify:  Simplifying (cube (/ 1 (cbrt (- 1))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (/ 1 (- 1))
* [exit]simplify:  Simplified to (/ 1 (- 1))
* [enter]simplify:  Simplifying (cube (/ (cbrt a) (cbrt (acos a))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* * [misc]simplify:  iters left: 1 (45 enodes)
* [exit]simplify:  Simplified to (/ a (acos a))
* [exit]simplify:  Simplified to (/ a (acos a))
* * * * [misc]progress:  [ 24 / 82 ] simplifiying candidate #<alt-delta (λ (a) (* (cube (/ 1 (cbrt 1))) (cube (/ (cbrt a) (cbrt (- (acos a)))))))>
* [enter]simplify:  Simplifying (cube (/ 1 (cbrt 1)))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (26 enodes)
* [exit]simplify:  Simplified to (/ 1 1)
* [exit]simplify:  Simplified to (/ 1 1)
* [enter]simplify:  Simplifying (cube (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (65 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 25 / 82 ] simplifiying candidate #<alt-delta (λ (a) (* (cube (/ 1 1)) (cube (/ (cbrt a) (cbrt (- (acos a)))))))>
* [enter]simplify:  Simplifying (cube (/ 1 1))
* * [misc]simplify:  iters left: 3 (3 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (cube (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (65 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 26 / 82 ] simplifiying candidate #<alt-delta (λ (a) (* (cube 1) (cube (/ (cbrt a) (cbrt (- (acos a)))))))>
* [enter]simplify:  Simplifying (cube 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (cube 1)
* [exit]simplify:  Simplified to (cube 1)
* [enter]simplify:  Simplifying (cube (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (65 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 27 / 82 ] simplifiying candidate #<alt-delta (λ (a) (* (cube (cbrt a)) (cube (/ 1 (cbrt (- (acos a)))))))>
* [enter]simplify:  Simplifying (cube (cbrt a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to a
* [exit]simplify:  Simplified to a
* [enter]simplify:  Simplifying (cube (/ 1 (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (38 enodes)
* * [misc]simplify:  iters left: 1 (46 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* * * * [misc]progress:  [ 28 / 82 ] simplifiying candidate #<alt-delta (λ (a) (/ (cube (cbrt a)) (cube (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (cube (cbrt a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to a
* [exit]simplify:  Simplified to a
* [enter]simplify:  Simplifying (cube (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* [exit]simplify:  Simplified to (- (acos a))
* [exit]simplify:  Simplified to (- (acos a))
* * * * [misc]progress:  [ 29 / 82 ] simplifiying candidate #<alt-delta (λ (a) (* (/ (cbrt a) (cbrt (- (acos a)))) (* (/ (cbrt a) (cbrt (- (acos a)))) (/ (cbrt a) (cbrt (- (acos a)))))))>
* [enter]simplify:  Simplifying (* (/ (cbrt a) (cbrt (- (acos a)))) (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (25 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (* (/ (cbrt a) (cbrt (- (acos a)))) (/ (cbrt a) (cbrt (- (acos a)))))
* [exit]simplify:  Simplified to (* (/ (cbrt a) (cbrt (- (acos a)))) (/ (cbrt a) (cbrt (- (acos a)))))
* * * * [misc]progress:  [ 30 / 82 ] simplifiying candidate #<alt-delta (λ (a) (sqr (sqrt (cube (/ (cbrt a) (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (sqrt (cube (/ (cbrt a) (cbrt (- (acos a))))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* * [misc]simplify:  iters left: 2 (47 enodes)
* * [misc]simplify:  iters left: 1 (66 enodes)
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 31 / 82 ] simplifiying candidate #<alt-delta (λ (a) (* 1 (cube (/ (cbrt a) (cbrt (- (acos a)))))))>
* * * * [misc]progress:  [ 32 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (log1p (expm1 (/ (cbrt a) (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (expm1 (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* [exit]simplify:  Simplified to (expm1 (/ (cbrt a) (cbrt (- (acos a)))))
* [exit]simplify:  Simplified to (expm1 (/ (cbrt a) (cbrt (- (acos a)))))
* * * * [misc]progress:  [ 33 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (expm1 (log1p (/ (cbrt a) (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (log1p (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* [exit]simplify:  Simplified to (log1p (/ (cbrt a) (cbrt (- (acos a)))))
* [exit]simplify:  Simplified to (log1p (/ (cbrt a) (cbrt (- (acos a)))))
* * * * [misc]progress:  [ 34 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (pow (/ (cbrt a) (cbrt (- (acos a)))) 1)))>
* * * * [misc]progress:  [ 35 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (exp (- (log (cbrt a)) (log (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (- (log (cbrt a)) (log (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* [exit]simplify:  Simplified to (- (log (cbrt a)) (log (cbrt (- (acos a)))))
* [exit]simplify:  Simplified to (- (log (cbrt a)) (log (cbrt (- (acos a)))))
* * * * [misc]progress:  [ 36 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (exp (log (/ (cbrt a) (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (log (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (log (/ (cbrt a) (cbrt (- (acos a)))))
* [exit]simplify:  Simplified to (log (/ (cbrt a) (cbrt (- (acos a)))))
* * * * [misc]progress:  [ 37 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (log (exp (/ (cbrt a) (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (exp (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* [exit]simplify:  Simplified to (exp (/ (cbrt a) (cbrt (- (acos a)))))
* [exit]simplify:  Simplified to (exp (/ (cbrt a) (cbrt (- (acos a)))))
* * * * [misc]progress:  [ 38 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (/ a (- (acos a)))
* * [misc]simplify:  iters left: 5 (4 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 39 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (cube (cbrt (/ (cbrt a) (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (cbrt (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (cbrt a) (cbrt (- (acos a)))))
* [exit]simplify:  Simplified to (cbrt (/ (cbrt a) (cbrt (- (acos a)))))
* * * * [misc]progress:  [ 40 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (cbrt (cube (/ (cbrt a) (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (cube (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (65 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 41 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (cube (/ (cbrt (cbrt a)) (cbrt (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (/ (cbrt (cbrt a)) (cbrt (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (cbrt a)) (cbrt (cbrt (- (acos a)))))
* [exit]simplify:  Simplified to (/ (cbrt (cbrt a)) (cbrt (cbrt (- (acos a)))))
* * * * [misc]progress:  [ 42 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (sqr (sqrt (/ (cbrt a) (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (sqrt (/ (cbrt a) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (cbrt a) (cbrt (- (acos a)))))
* [exit]simplify:  Simplified to (sqrt (/ (cbrt a) (cbrt (- (acos a)))))
* * * * [misc]progress:  [ 43 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (sqr (/ (sqrt (cbrt a)) (sqrt (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (/ (sqrt (cbrt a)) (sqrt (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (cbrt a)) (sqrt (cbrt (- (acos a)))))
* [exit]simplify:  Simplified to (/ (sqrt (cbrt a)) (sqrt (cbrt (- (acos a)))))
* * * * [misc]progress:  [ 44 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (- (cbrt a)) (- (cbrt (- (acos a)))))))>
* [enter]simplify:  Simplifying (- (cbrt a))
* * [misc]simplify:  iters left: 3 (3 enodes)
* [exit]simplify:  Simplified to (- (cbrt a))
* [exit]simplify:  Simplified to (- (cbrt a))
* [enter]simplify:  Simplifying (- (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (- (cbrt (- (acos a))))
* [exit]simplify:  Simplified to (- (cbrt (- (acos a))))
* * * * [misc]progress:  [ 45 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (* (/ 1 (cbrt 1)) (/ (cbrt a) (cbrt (- (acos a)))))))>
* [enter]simplify:  Simplifying (/ 1 (cbrt 1))
* * [misc]simplify:  iters left: 3 (3 enodes)
* * [misc]simplify:  iters left: 2 (5 enodes)
* [exit]simplify:  Simplified to (/ 1 (cbrt 1))
* [exit]simplify:  Simplified to (/ 1 (cbrt 1))
* [enter]simplify:  Simplifying (/ (cbrt a) (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt (- (acos a))))
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt (- (acos a))))
* * * * [misc]progress:  [ 46 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (* (/ 1 (cbrt -1)) (/ (cbrt a) (cbrt (acos a))))))>
* [enter]simplify:  Simplifying (/ 1 (cbrt -1))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (/ 1 (cbrt -1))
* [exit]simplify:  Simplified to (/ 1 (cbrt -1))
* [enter]simplify:  Simplifying (/ (cbrt a) (cbrt (acos a)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt (acos a)))
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt (acos a)))
* * * * [misc]progress:  [ 47 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (* (/ 1 (cbrt (- 1))) (/ (cbrt a) (cbrt (acos a))))))>
* [enter]simplify:  Simplifying (/ 1 (cbrt (- 1)))
* * [misc]simplify:  iters left: 5 (4 enodes)
* * [misc]simplify:  iters left: 4 (6 enodes)
* [exit]simplify:  Simplified to (/ 1 (cbrt (- 1)))
* [exit]simplify:  Simplified to (/ 1 (cbrt (- 1)))
* [enter]simplify:  Simplifying (/ (cbrt a) (cbrt (acos a)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt (acos a)))
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt (acos a)))
* * * * [misc]progress:  [ 48 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (* (/ 1 (cbrt 1)) (/ (cbrt a) (cbrt (- (acos a)))))))>
* [enter]simplify:  Simplifying (/ 1 (cbrt 1))
* * [misc]simplify:  iters left: 3 (3 enodes)
* * [misc]simplify:  iters left: 2 (5 enodes)
* [exit]simplify:  Simplified to (/ 1 (cbrt 1))
* [exit]simplify:  Simplified to (/ 1 (cbrt 1))
* [enter]simplify:  Simplifying (/ (cbrt a) (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt (- (acos a))))
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt (- (acos a))))
* * * * [misc]progress:  [ 49 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (* (/ 1 1) (/ (cbrt a) (cbrt (- (acos a)))))))>
* [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 (/ (cbrt a) (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt (- (acos a))))
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt (- (acos a))))
* * * * [misc]progress:  [ 50 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (* 1 (/ (cbrt a) (cbrt (- (acos a)))))))>
* * * * [misc]progress:  [ 51 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (* (cbrt a) (/ 1 (cbrt (- (acos a)))))))>
* [enter]simplify:  Simplifying (/ 1 (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* [exit]simplify:  Simplified to (/ 1 (cbrt (- (acos a))))
* [exit]simplify:  Simplified to (/ 1 (cbrt (- (acos a))))
* * * * [misc]progress:  [ 52 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ 1 (/ (cbrt (- (acos a))) (cbrt a)))))>
* [enter]simplify:  Simplifying (/ (cbrt (- (acos a))) (cbrt a))
* * [misc]simplify:  iters left: 6 (6 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- (acos a))) (cbrt a))
* [exit]simplify:  Simplified to (/ (cbrt (- (acos a))) (cbrt a))
* * * * [misc]progress:  [ 53 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (/ (cbrt a) (cbrt 1)) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (/ (cbrt a) (cbrt 1))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (7 enodes)
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt 1))
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt 1))
* * * * [misc]progress:  [ 54 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (/ (cbrt a) (cbrt -1)) (cbrt (acos a)))))>
* [enter]simplify:  Simplifying (/ (cbrt a) (cbrt -1))
* * [misc]simplify:  iters left: 3 (5 enodes)
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt -1))
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt -1))
* * * * [misc]progress:  [ 55 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (/ (cbrt a) (cbrt (- 1))) (cbrt (acos a)))))>
* [enter]simplify:  Simplifying (/ (cbrt a) (cbrt (- 1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt (- 1)))
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt (- 1)))
* * * * [misc]progress:  [ 56 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (/ (cbrt a) (cbrt 1)) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (/ (cbrt a) (cbrt 1))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (7 enodes)
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt 1))
* [exit]simplify:  Simplified to (/ (cbrt a) (cbrt 1))
* * * * [misc]progress:  [ 57 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (/ (cbrt a) 1) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (/ (cbrt a) 1)
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (/ (cbrt a) 1)
* [exit]simplify:  Simplified to (/ (cbrt a) 1)
* * * * [misc]progress:  [ 58 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ 1 (/ (cbrt (- (acos a))) (cbrt a)))))>
* [enter]simplify:  Simplifying (/ (cbrt (- (acos a))) (cbrt a))
* * [misc]simplify:  iters left: 6 (6 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- (acos a))) (cbrt a))
* [exit]simplify:  Simplified to (/ (cbrt (- (acos a))) (cbrt a))
* * * * [misc]progress:  [ 59 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (log1p (expm1 (cbrt a))) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (expm1 (cbrt a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (expm1 (cbrt a))
* [exit]simplify:  Simplified to (expm1 (cbrt a))
* * * * [misc]progress:  [ 60 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (expm1 (log1p (cbrt a))) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (log1p (cbrt a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (log1p (cbrt a))
* [exit]simplify:  Simplified to (log1p (cbrt a))
* * * * [misc]progress:  [ 61 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (pow a 1/3) (cbrt (- (acos a))))))>
* * * * [misc]progress:  [ 62 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (pow (cbrt a) 1) (cbrt (- (acos a))))))>
* * * * [misc]progress:  [ 63 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (exp (log (cbrt a))) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (log (cbrt a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (log (cbrt a))
* [exit]simplify:  Simplified to (log (cbrt a))
* * * * [misc]progress:  [ 64 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (log (exp (cbrt a))) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (exp (cbrt a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (exp (cbrt a))
* [exit]simplify:  Simplified to (exp (cbrt a))
* * * * [misc]progress:  [ 65 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cube (cbrt (cbrt a))) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (cbrt (cbrt a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (cbrt (cbrt a))
* [exit]simplify:  Simplified to (cbrt (cbrt a))
* * * * [misc]progress:  [ 66 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt (cube (cbrt a))) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (cube (cbrt a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to a
* [exit]simplify:  Simplified to a
* * * * [misc]progress:  [ 67 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (sqr (sqrt (cbrt a))) (cbrt (- (acos a))))))>
* [enter]simplify:  Simplifying (sqrt (cbrt a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (sqrt (cbrt a))
* [exit]simplify:  Simplified to (sqrt (cbrt a))
* * * * [misc]progress:  [ 68 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (* 1 (cbrt a)) (cbrt (- (acos a))))))>
* * * * [misc]progress:  [ 69 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt a) (log1p (expm1 (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (expm1 (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 5 (5 enodes)
* [exit]simplify:  Simplified to (expm1 (cbrt (- (acos a))))
* [exit]simplify:  Simplified to (expm1 (cbrt (- (acos a))))
* * * * [misc]progress:  [ 70 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt a) (expm1 (log1p (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (log1p (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 5 (5 enodes)
* [exit]simplify:  Simplified to (log1p (cbrt (- (acos a))))
* [exit]simplify:  Simplified to (log1p (cbrt (- (acos a))))
* * * * [misc]progress:  [ 71 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt a) (pow (- (acos a)) 1/3))))>
* * * * [misc]progress:  [ 72 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt a) (pow (cbrt (- (acos a))) 1))))>
* * * * [misc]progress:  [ 73 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt a) (exp (log (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (log (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 5 (5 enodes)
* [exit]simplify:  Simplified to (log (cbrt (- (acos a))))
* [exit]simplify:  Simplified to (log (cbrt (- (acos a))))
* * * * [misc]progress:  [ 74 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt a) (log (exp (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (exp (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 5 (5 enodes)
* [exit]simplify:  Simplified to (exp (cbrt (- (acos a))))
* [exit]simplify:  Simplified to (exp (cbrt (- (acos a))))
* * * * [misc]progress:  [ 75 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt a) (* (cbrt 1) (cbrt (- (acos a)))))))>
* [enter]simplify:  Simplifying (cbrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (cbrt 1)
* [exit]simplify:  Simplified to (cbrt 1)
* [enter]simplify:  Simplifying (cbrt (- (acos a)))
* * [misc]simplify:  iters left: 4 (4 enodes)
* [exit]simplify:  Simplified to (cbrt (- (acos a)))
* [exit]simplify:  Simplified to (cbrt (- (acos a)))
* * * * [misc]progress:  [ 76 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt a) (* (cbrt -1) (cbrt (acos a))))))>
* [enter]simplify:  Simplifying (cbrt -1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (cbrt -1)
* [exit]simplify:  Simplified to (cbrt -1)
* [enter]simplify:  Simplifying (cbrt (acos a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (cbrt (acos a))
* [exit]simplify:  Simplified to (cbrt (acos a))
* * * * [misc]progress:  [ 77 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt a) (* (cbrt (- 1)) (cbrt (acos a))))))>
* [enter]simplify:  Simplifying (cbrt (- 1))
* * [misc]simplify:  iters left: 3 (3 enodes)
* * [misc]simplify:  iters left: 2 (5 enodes)
* [exit]simplify:  Simplified to (cbrt (- 1))
* [exit]simplify:  Simplified to (cbrt (- 1))
* [enter]simplify:  Simplifying (cbrt (acos a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (cbrt (acos a))
* [exit]simplify:  Simplified to (cbrt (acos a))
* * * * [misc]progress:  [ 78 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt a) (* (cbrt 1) (cbrt (- (acos a)))))))>
* [enter]simplify:  Simplifying (cbrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (cbrt 1)
* [exit]simplify:  Simplified to (cbrt 1)
* [enter]simplify:  Simplifying (cbrt (- (acos a)))
* * [misc]simplify:  iters left: 4 (4 enodes)
* [exit]simplify:  Simplified to (cbrt (- (acos a)))
* [exit]simplify:  Simplified to (cbrt (- (acos a)))
* * * * [misc]progress:  [ 79 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt a) (cube (cbrt (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (cbrt (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 5 (5 enodes)
* [exit]simplify:  Simplified to (cbrt (cbrt (- (acos a))))
* [exit]simplify:  Simplified to (cbrt (cbrt (- (acos a))))
* * * * [misc]progress:  [ 80 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt a) (cbrt (cube (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (cube (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* [exit]simplify:  Simplified to (- (acos a))
* [exit]simplify:  Simplified to (- (acos a))
* * * * [misc]progress:  [ 81 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt a) (sqr (sqrt (cbrt (- (acos a))))))))>
* [enter]simplify:  Simplifying (sqrt (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 5 (5 enodes)
* [exit]simplify:  Simplified to (sqrt (cbrt (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (cbrt (- (acos a))))
* * * * [misc]progress:  [ 82 / 82 ] simplifiying candidate #<alt-delta (λ (a) (cube (/ (cbrt a) (* 1 (cbrt (- (acos a)))))))>
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* [enter]simplify:  Simplifying (cbrt (cbrt (/ a (- (acos a)))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* [exit]simplify:  Simplified to (cbrt (cbrt (/ a (- (acos a)))))
* [exit]simplify:  Simplified to (cbrt (cbrt (/ a (- (acos a)))))
* [enter]simplify:  Simplifying (sqrt (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [enter]simplify:  Simplifying (cbrt (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 5 (5 enodes)
* [exit]simplify:  Simplified to (cbrt (cbrt (- (acos a))))
* [exit]simplify:  Simplified to (cbrt (cbrt (- (acos a))))
* [enter]simplify:  Simplifying (cbrt a)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (cbrt a)
* [exit]simplify:  Simplified to (cbrt a)
* [enter]simplify:  Simplifying (cbrt (- (acos a)))
* * [misc]simplify:  iters left: 4 (4 enodes)
* [exit]simplify:  Simplified to (cbrt (- (acos a)))
* [exit]simplify:  Simplified to (cbrt (- (acos a)))
* [enter]simplify:  Simplifying (cbrt a)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (cbrt a)
* [exit]simplify:  Simplified to (cbrt a)
* [enter]simplify:  Simplifying (cbrt (/ 1 (- (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* [exit]simplify:  Simplified to (cbrt (/ 1 (- (acos a))))
* [exit]simplify:  Simplified to (cbrt (/ 1 (- (acos a))))
* [enter]simplify:  Simplifying (cbrt (cbrt a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (cbrt (cbrt a))
* [exit]simplify:  Simplified to (cbrt (cbrt a))
* [enter]simplify:  Simplifying (sqrt (cbrt a))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (sqrt (cbrt a))
* [exit]simplify:  Simplified to (sqrt (cbrt a))
* [enter]simplify:  Simplifying (/ a (- (acos a)))
* * [misc]simplify:  iters left: 5 (4 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))