31.495 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.021 * * * [progress]: [2/2] Setting up program.
0.024 * [progress]: [Phase 2 of 3] Improving.
0.024 * [simplify]: Simplifying:
  (/ a (- (acos a)))
0.024 * * [simplify]: iteration 0: 4 enodes
0.025 * * [simplify]: iteration complete: 4 enodes
0.025 * * [simplify]: Extracting #0: cost 1 inf + 0
0.025 * * [simplify]: Extracting #1: cost 3 inf + 0
0.025 * * [simplify]: Extracting #2: cost 3 inf + 1
0.025 * * [simplify]: Extracting #3: cost 0 inf + 394
0.025 * [simplify]: Simplified to:
  (/ a (- (acos a)))
0.025 * * [progress]: iteration 1 / 4
0.025 * * * [progress]: picking best candidate
0.028 * * * * [pick]: Picked  #<alt (λ (a) (/ a (- (acos a))))>
0.028 * * * [progress]: localizing error
0.034 * * * [progress]: generating rewritten candidates
0.034 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.041 * * * [progress]: generating series expansions
0.041 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.041 * [backup-simplify]: Simplify (/ a (- (acos a))) into (* -1 (/ a (acos a)))
0.041 * [approximate]: Taking taylor expansion of (* -1 (/ a (acos a))) in (a) around 0
0.041 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
0.041 * [taylor]: Taking taylor expansion of -1 in a
0.041 * [backup-simplify]: Simplify -1 into -1
0.041 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
0.041 * [taylor]: Taking taylor expansion of a in a
0.041 * [backup-simplify]: Simplify 0 into 0
0.041 * [backup-simplify]: Simplify 1 into 1
0.041 * [taylor]: Taking taylor expansion of (acos a) in a
0.042 * [backup-simplify]: Simplify (acos a) into (acos a)
0.042 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
0.042 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
0.042 * [taylor]: Taking taylor expansion of -1 in a
0.042 * [backup-simplify]: Simplify -1 into -1
0.042 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
0.042 * [taylor]: Taking taylor expansion of a in a
0.042 * [backup-simplify]: Simplify 0 into 0
0.042 * [backup-simplify]: Simplify 1 into 1
0.042 * [taylor]: Taking taylor expansion of (acos a) in a
0.042 * [backup-simplify]: Simplify (acos a) into (acos a)
0.043 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
0.043 * [backup-simplify]: Simplify (* -1 (/ 1 (acos a))) into (/ -1 (acos a))
0.043 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
0.043 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))))) into 0
0.043 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (/ 1 (acos a)))) into 0
0.043 * [backup-simplify]: Simplify 0 into 0
0.043 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
0.044 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))) into 0
0.044 * [backup-simplify]: Simplify 0 into 0
0.044 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
0.045 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))) into 0
0.045 * [backup-simplify]: Simplify 0 into 0
0.045 * [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
0.046 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))) into 0
0.046 * [backup-simplify]: Simplify 0 into 0
0.046 * [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
0.048 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))))) into 0
0.048 * [backup-simplify]: Simplify 0 into 0
0.048 * [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
0.049 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))))) into 0
0.049 * [backup-simplify]: Simplify 0 into 0
0.049 * [backup-simplify]: Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
0.050 * [backup-simplify]: Simplify (/ (/ 1 a) (- (acos (/ 1 a)))) into (/ -1 (* a (acos (/ 1 a))))
0.050 * [approximate]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in (a) around 0
0.050 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
0.050 * [taylor]: Taking taylor expansion of -1 in a
0.050 * [backup-simplify]: Simplify -1 into -1
0.050 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
0.050 * [taylor]: Taking taylor expansion of a in a
0.050 * [backup-simplify]: Simplify 0 into 0
0.050 * [backup-simplify]: Simplify 1 into 1
0.050 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
0.050 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
0.050 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
0.050 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
0.050 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
0.050 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
0.050 * [taylor]: Taking taylor expansion of -1 in a
0.050 * [backup-simplify]: Simplify -1 into -1
0.050 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
0.050 * [taylor]: Taking taylor expansion of a in a
0.050 * [backup-simplify]: Simplify 0 into 0
0.050 * [backup-simplify]: Simplify 1 into 1
0.050 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
0.050 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
0.050 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
0.051 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
0.051 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
0.051 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
0.051 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ 1 a))))) into 0
0.052 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))))) into 0
0.052 * [backup-simplify]: Simplify 0 into 0
0.052 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))) into 0
0.053 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
0.053 * [backup-simplify]: Simplify 0 into 0
0.054 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))) into 0
0.054 * [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
0.054 * [backup-simplify]: Simplify 0 into 0
0.055 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))) into 0
0.055 * [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
0.055 * [backup-simplify]: Simplify 0 into 0
0.057 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))))) into 0
0.057 * [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
0.057 * [backup-simplify]: Simplify 0 into 0
0.059 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))))) into 0
0.059 * [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
0.059 * [backup-simplify]: Simplify 0 into 0
0.059 * [backup-simplify]: Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
0.059 * [backup-simplify]: Simplify (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))) into (/ 1 (* a (acos (/ -1 a))))
0.059 * [approximate]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in (a) around 0
0.059 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
0.059 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
0.059 * [taylor]: Taking taylor expansion of a in a
0.059 * [backup-simplify]: Simplify 0 into 0
0.059 * [backup-simplify]: Simplify 1 into 1
0.059 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
0.059 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
0.059 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
0.060 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
0.060 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
0.060 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
0.060 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
0.060 * [taylor]: Taking taylor expansion of a in a
0.060 * [backup-simplify]: Simplify 0 into 0
0.060 * [backup-simplify]: Simplify 1 into 1
0.060 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
0.060 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
0.060 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
0.060 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
0.060 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
0.061 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
0.061 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
0.061 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
0.061 * [backup-simplify]: Simplify 0 into 0
0.062 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
0.062 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
0.062 * [backup-simplify]: Simplify 0 into 0
0.064 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
0.064 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
0.064 * [backup-simplify]: Simplify 0 into 0
0.066 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
0.067 * [backup-simplify]: Simplify (- (+ (* (/ 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
0.067 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
0.070 * [backup-simplify]: Simplify (- (+ (* (/ 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
0.070 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
0.074 * [backup-simplify]: Simplify (- (+ (* (/ 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
0.074 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
0.074 * * * [progress]: simplifying candidates
0.075 * [simplify]: Simplifying:
  (- (log a) (log (- (acos a))))
  (log (/ a (- (acos a))))
  (exp (/ a (- (acos a))))
  (/ (* (* a a) a) (* (* (- (acos a)) (- (acos a))) (- (acos a))))
  (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
  (cbrt (/ a (- (acos a))))
  (* (* (/ a (- (acos a))) (/ a (- (acos a)))) (/ a (- (acos a))))
  (sqrt (/ a (- (acos a))))
  (sqrt (/ a (- (acos a))))
  (- a)
  (- (- (acos a)))
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (/ (cbrt a) (cbrt (- (acos a))))
  (/ (* (cbrt a) (cbrt a)) (sqrt (- (acos a))))
  (/ (cbrt a) (sqrt (- (acos a))))
  (/ (* (cbrt a) (cbrt a)) 1)
  (/ (cbrt a) (- (acos a)))
  (/ (* (cbrt a) (cbrt a)) -1)
  (/ (cbrt a) (acos a))
  (/ (* (cbrt a) (cbrt a)) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (cbrt a) (cbrt (acos a)))
  (/ (* (cbrt a) (cbrt a)) (- (sqrt (acos a))))
  (/ (cbrt a) (sqrt (acos a)))
  (/ (* (cbrt a) (cbrt a)) (- 1))
  (/ (cbrt a) (acos a))
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (cbrt a) (- (cbrt (acos a))))
  (/ (* (cbrt a) (cbrt a)) (sqrt (acos a)))
  (/ (cbrt a) (- (sqrt (acos a))))
  (/ (* (cbrt a) (cbrt a)) 1)
  (/ (cbrt a) (- (acos a)))
  (/ (sqrt a) (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (/ (sqrt a) (cbrt (- (acos a))))
  (/ (sqrt a) (sqrt (- (acos a))))
  (/ (sqrt a) (sqrt (- (acos a))))
  (/ (sqrt a) 1)
  (/ (sqrt a) (- (acos a)))
  (/ (sqrt a) -1)
  (/ (sqrt a) (acos a))
  (/ (sqrt a) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (sqrt a) (cbrt (acos a)))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ (sqrt a) (sqrt (acos a)))
  (/ (sqrt a) (- 1))
  (/ (sqrt a) (acos a))
  (/ (sqrt a) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (sqrt a) (- (cbrt (acos a))))
  (/ (sqrt a) (sqrt (acos a)))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ (sqrt a) 1)
  (/ (sqrt a) (- (acos a)))
  (/ 1 (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (/ a (cbrt (- (acos a))))
  (/ 1 (sqrt (- (acos a))))
  (/ a (sqrt (- (acos a))))
  (/ 1 1)
  (/ a (- (acos a)))
  (/ 1 -1)
  (/ a (acos a))
  (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ a (cbrt (acos a)))
  (/ 1 (- (sqrt (acos a))))
  (/ a (sqrt (acos a)))
  (/ 1 (- 1))
  (/ a (acos a))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ a (- (cbrt (acos a))))
  (/ 1 (sqrt (acos a)))
  (/ a (- (sqrt (acos a))))
  (/ 1 1)
  (/ a (- (acos a)))
  (/ 1 (- (acos a)))
  (/ (- (acos a)) a)
  (/ a (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (/ a (sqrt (- (acos a))))
  (/ a 1)
  (/ a -1)
  (/ a (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ a (- (sqrt (acos a))))
  (/ a (- 1))
  (/ a (* (cbrt (acos a)) (cbrt (acos a))))
  (/ a (sqrt (acos a)))
  (/ a 1)
  (/ (- (acos a)) (cbrt a))
  (/ (- (acos a)) (sqrt a))
  (/ (- (acos a)) a)
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
0.076 * * [simplify]: iteration 0: 94 enodes
0.092 * * [simplify]: iteration 1: 171 enodes
0.126 * * [simplify]: iteration 2: 462 enodes
0.295 * * [simplify]: iteration 3: 2040 enodes
0.850 * * [simplify]: iteration complete: 5001 enodes
0.850 * * [simplify]: Extracting #0: cost 63 inf + 0
0.851 * * [simplify]: Extracting #1: cost 631 inf + 3
0.858 * * [simplify]: Extracting #2: cost 1294 inf + 14666
0.890 * * [simplify]: Extracting #3: cost 703 inf + 218247
0.938 * * [simplify]: Extracting #4: cost 50 inf + 349794
0.989 * * [simplify]: Extracting #5: cost 3 inf + 365125
1.038 * * [simplify]: Extracting #6: cost 0 inf + 366144
1.130 * [simplify]: Simplified to:
  (log (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (exp (/ a (- (acos a))))
  (* (* (/ a (- (acos a))) (/ a (- (acos a)))) (/ a (- (acos a))))
  (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
  (cbrt (/ a (- (acos a))))
  (* (* (/ a (- (acos a))) (/ a (- (acos a)))) (/ a (- (acos a))))
  (sqrt (/ a (- (acos a))))
  (sqrt (/ a (- (acos a))))
  (- a)
  (acos a)
  (* (/ (cbrt a) (cbrt (- (acos a)))) (/ (cbrt a) (cbrt (- (acos a)))))
  (/ (cbrt a) (cbrt (- (acos a))))
  (* (cbrt a) (/ (cbrt a) (sqrt (- (acos a)))))
  (/ (cbrt a) (sqrt (- (acos a))))
  (* (cbrt a) (cbrt a))
  (/ (cbrt a) (- (acos a)))
  (* (/ (cbrt a) -1) (cbrt a))
  (/ (cbrt a) (acos a))
  (/ (* (/ (cbrt a) (cbrt (acos a))) (cbrt a)) (- (cbrt (acos a))))
  (/ (cbrt a) (cbrt (acos a)))
  (* (/ (cbrt a) (- (sqrt (acos a)))) (cbrt a))
  (/ (cbrt a) (sqrt (acos a)))
  (* (/ (cbrt a) -1) (cbrt a))
  (/ (cbrt a) (acos a))
  (* (/ (cbrt a) (cbrt (acos a))) (/ (cbrt a) (cbrt (acos a))))
  (/ (cbrt a) (- (cbrt (acos a))))
  (/ (cbrt a) (/ (sqrt (acos a)) (cbrt a)))
  (/ (cbrt a) (- (sqrt (acos a))))
  (* (cbrt a) (cbrt a))
  (/ (cbrt a) (- (acos a)))
  (/ (/ (sqrt a) (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (/ (sqrt a) (cbrt (- (acos a))))
  (/ (sqrt a) (sqrt (- (acos a))))
  (/ (sqrt a) (sqrt (- (acos a))))
  (sqrt a)
  (/ (sqrt a) (- (acos a)))
  (/ (sqrt a) -1)
  (/ (sqrt a) (acos a))
  (/ (/ (sqrt a) (cbrt (acos a))) (- (cbrt (acos a))))
  (/ (sqrt a) (cbrt (acos a)))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ (sqrt a) (sqrt (acos a)))
  (/ (sqrt a) -1)
  (/ (sqrt a) (acos a))
  (/ (/ (sqrt a) (cbrt (acos a))) (cbrt (acos a)))
  (/ (sqrt a) (- (cbrt (acos a))))
  (/ (sqrt a) (sqrt (acos a)))
  (/ (sqrt a) (- (sqrt (acos a))))
  (sqrt a)
  (/ (sqrt a) (- (acos a)))
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (/ a (cbrt (- (acos a))))
  (/ 1 (sqrt (- (acos a))))
  (/ a (sqrt (- (acos a))))
  1
  (/ a (- (acos a)))
  -1
  (/ a (acos a))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a)))
  (/ a (cbrt (acos a)))
  (/ 1 (- (sqrt (acos a))))
  (/ a (sqrt (acos a)))
  -1
  (/ a (acos a))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ a (- (cbrt (acos a))))
  (/ 1 (sqrt (acos a)))
  (/ a (- (sqrt (acos a))))
  1
  (/ a (- (acos a)))
  (/ 1 (- (acos a)))
  (/ (- (acos a)) a)
  (/ (/ a (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (/ a (sqrt (- (acos a))))
  a
  (/ a -1)
  (/ a (* (cbrt (acos a)) (- (cbrt (acos a)))))
  (/ a (- (sqrt (acos a))))
  (/ a -1)
  (/ (/ a (cbrt (acos a))) (cbrt (acos a)))
  (/ a (sqrt (acos a)))
  a
  (/ (- (acos a)) (cbrt a))
  (- (/ (acos a) (sqrt a)))
  (/ (- (acos a)) a)
  (- (/ a (acos a)))
  (- (/ a (acos a)))
  (- (/ a (acos a)))
1.133 * * * [progress]: adding candidates to table
1.354 * * [progress]: iteration 2 / 4
1.354 * * * [progress]: picking best candidate
1.410 * * * * [pick]: Picked  #<alt (λ (a) (/ 1 (/ (- (acos a)) a)))>
1.410 * * * [progress]: localizing error
1.420 * * * [progress]: generating rewritten candidates
1.420 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
1.432 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
1.449 * * * [progress]: generating series expansions
1.450 * * * * [progress]: [ 1 / 2 ] generating series at (2)
1.450 * [backup-simplify]: Simplify (/ 1 (/ (- (acos a)) a)) into (* -1 (/ a (acos a)))
1.450 * [approximate]: Taking taylor expansion of (* -1 (/ a (acos a))) in (a) around 0
1.450 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
1.450 * [taylor]: Taking taylor expansion of -1 in a
1.450 * [backup-simplify]: Simplify -1 into -1
1.450 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
1.450 * [taylor]: Taking taylor expansion of a in a
1.450 * [backup-simplify]: Simplify 0 into 0
1.450 * [backup-simplify]: Simplify 1 into 1
1.450 * [taylor]: Taking taylor expansion of (acos a) in a
1.450 * [backup-simplify]: Simplify (acos a) into (acos a)
1.450 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
1.450 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
1.450 * [taylor]: Taking taylor expansion of -1 in a
1.450 * [backup-simplify]: Simplify -1 into -1
1.450 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
1.450 * [taylor]: Taking taylor expansion of a in a
1.450 * [backup-simplify]: Simplify 0 into 0
1.450 * [backup-simplify]: Simplify 1 into 1
1.450 * [taylor]: Taking taylor expansion of (acos a) in a
1.450 * [backup-simplify]: Simplify (acos a) into (acos a)
1.451 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
1.451 * [backup-simplify]: Simplify (* -1 (/ 1 (acos a))) into (/ -1 (acos a))
1.451 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
1.451 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))))) into 0
1.452 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (/ 1 (acos a)))) into 0
1.452 * [backup-simplify]: Simplify 0 into 0
1.452 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
1.453 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))) into 0
1.453 * [backup-simplify]: Simplify 0 into 0
1.453 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
1.454 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))) into 0
1.454 * [backup-simplify]: Simplify 0 into 0
1.454 * [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
1.459 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))) into 0
1.460 * [backup-simplify]: Simplify 0 into 0
1.460 * [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
1.461 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))))) into 0
1.461 * [backup-simplify]: Simplify 0 into 0
1.462 * [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
1.463 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))))) into 0
1.463 * [backup-simplify]: Simplify 0 into 0
1.463 * [backup-simplify]: Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
1.463 * [backup-simplify]: Simplify (/ 1 (/ (- (acos (/ 1 a))) (/ 1 a))) into (/ -1 (* a (acos (/ 1 a))))
1.463 * [approximate]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in (a) around 0
1.463 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
1.463 * [taylor]: Taking taylor expansion of -1 in a
1.463 * [backup-simplify]: Simplify -1 into -1
1.463 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
1.463 * [taylor]: Taking taylor expansion of a in a
1.463 * [backup-simplify]: Simplify 0 into 0
1.463 * [backup-simplify]: Simplify 1 into 1
1.463 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
1.463 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
1.464 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
1.464 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
1.464 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
1.464 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
1.464 * [taylor]: Taking taylor expansion of -1 in a
1.464 * [backup-simplify]: Simplify -1 into -1
1.464 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
1.464 * [taylor]: Taking taylor expansion of a in a
1.464 * [backup-simplify]: Simplify 0 into 0
1.464 * [backup-simplify]: Simplify 1 into 1
1.464 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
1.464 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
1.464 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
1.464 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
1.465 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
1.465 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
1.465 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ 1 a))))) into 0
1.465 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))))) into 0
1.465 * [backup-simplify]: Simplify 0 into 0
1.466 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))) into 0
1.466 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
1.466 * [backup-simplify]: Simplify 0 into 0
1.467 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))) into 0
1.468 * [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
1.468 * [backup-simplify]: Simplify 0 into 0
1.469 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))) into 0
1.469 * [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
1.469 * [backup-simplify]: Simplify 0 into 0
1.471 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))))) into 0
1.471 * [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
1.471 * [backup-simplify]: Simplify 0 into 0
1.473 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))))) into 0
1.473 * [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
1.473 * [backup-simplify]: Simplify 0 into 0
1.473 * [backup-simplify]: Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
1.473 * [backup-simplify]: Simplify (/ 1 (/ (- (acos (/ 1 (- a)))) (/ 1 (- a)))) into (/ 1 (* a (acos (/ -1 a))))
1.473 * [approximate]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in (a) around 0
1.473 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
1.474 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
1.474 * [taylor]: Taking taylor expansion of a in a
1.474 * [backup-simplify]: Simplify 0 into 0
1.474 * [backup-simplify]: Simplify 1 into 1
1.474 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
1.474 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
1.474 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
1.474 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
1.474 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
1.474 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
1.474 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
1.474 * [taylor]: Taking taylor expansion of a in a
1.474 * [backup-simplify]: Simplify 0 into 0
1.474 * [backup-simplify]: Simplify 1 into 1
1.474 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
1.474 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
1.474 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
1.475 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
1.475 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
1.475 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
1.475 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
1.476 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
1.476 * [backup-simplify]: Simplify 0 into 0
1.476 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
1.476 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
1.477 * [backup-simplify]: Simplify 0 into 0
1.478 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
1.478 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
1.478 * [backup-simplify]: Simplify 0 into 0
1.479 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
1.480 * [backup-simplify]: Simplify (- (+ (* (/ 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
1.480 * [backup-simplify]: Simplify 0 into 0
1.481 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
1.481 * [backup-simplify]: Simplify (- (+ (* (/ 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
1.482 * [backup-simplify]: Simplify 0 into 0
1.483 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
1.483 * [backup-simplify]: Simplify (- (+ (* (/ 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
1.483 * [backup-simplify]: Simplify 0 into 0
1.484 * [backup-simplify]: Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
1.484 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
1.484 * [backup-simplify]: Simplify (/ (- (acos a)) a) into (* -1 (/ (acos a) a))
1.484 * [approximate]: Taking taylor expansion of (* -1 (/ (acos a) a)) in (a) around 0
1.484 * [taylor]: Taking taylor expansion of (* -1 (/ (acos a) a)) in a
1.484 * [taylor]: Taking taylor expansion of -1 in a
1.484 * [backup-simplify]: Simplify -1 into -1
1.484 * [taylor]: Taking taylor expansion of (/ (acos a) a) in a
1.484 * [taylor]: Taking taylor expansion of (acos a) in a
1.484 * [backup-simplify]: Simplify (acos a) into (acos a)
1.484 * [taylor]: Taking taylor expansion of a in a
1.484 * [backup-simplify]: Simplify 0 into 0
1.484 * [backup-simplify]: Simplify 1 into 1
1.484 * [backup-simplify]: Simplify (/ (acos a) 1) into (acos a)
1.484 * [taylor]: Taking taylor expansion of (* -1 (/ (acos a) a)) in a
1.484 * [taylor]: Taking taylor expansion of -1 in a
1.484 * [backup-simplify]: Simplify -1 into -1
1.484 * [taylor]: Taking taylor expansion of (/ (acos a) a) in a
1.484 * [taylor]: Taking taylor expansion of (acos a) in a
1.484 * [backup-simplify]: Simplify (acos a) into (acos a)
1.484 * [taylor]: Taking taylor expansion of a in a
1.484 * [backup-simplify]: Simplify 0 into 0
1.484 * [backup-simplify]: Simplify 1 into 1
1.484 * [backup-simplify]: Simplify (/ (acos a) 1) into (acos a)
1.484 * [backup-simplify]: Simplify (* -1 (acos a)) into (* -1 (acos a))
1.484 * [backup-simplify]: Simplify (* -1 (acos a)) into (* -1 (acos a))
1.485 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)))) into 0
1.485 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (acos a))) into 0
1.485 * [backup-simplify]: Simplify 0 into 0
1.486 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.487 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (acos a)))) into 0
1.487 * [backup-simplify]: Simplify 0 into 0
1.488 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.489 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a))))) into 0
1.489 * [backup-simplify]: Simplify 0 into 0
1.490 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.491 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a)))))) into 0
1.491 * [backup-simplify]: Simplify 0 into 0
1.493 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.494 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a))))))) into 0
1.494 * [backup-simplify]: Simplify 0 into 0
1.497 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.499 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a)))))))) into 0
1.499 * [backup-simplify]: Simplify 0 into 0
1.499 * [backup-simplify]: Simplify (* (* -1 (acos a)) (/ 1 a)) into (* -1 (/ (acos a) a))
1.499 * [backup-simplify]: Simplify (/ (- (acos (/ 1 a))) (/ 1 a)) into (* -1 (* a (acos (/ 1 a))))
1.499 * [approximate]: Taking taylor expansion of (* -1 (* a (acos (/ 1 a)))) in (a) around 0
1.499 * [taylor]: Taking taylor expansion of (* -1 (* a (acos (/ 1 a)))) in a
1.499 * [taylor]: Taking taylor expansion of -1 in a
1.499 * [backup-simplify]: Simplify -1 into -1
1.499 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
1.499 * [taylor]: Taking taylor expansion of a in a
1.499 * [backup-simplify]: Simplify 0 into 0
1.499 * [backup-simplify]: Simplify 1 into 1
1.499 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
1.499 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
1.499 * [taylor]: Taking taylor expansion of (* -1 (* a (acos (/ 1 a)))) in a
1.499 * [taylor]: Taking taylor expansion of -1 in a
1.499 * [backup-simplify]: Simplify -1 into -1
1.499 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
1.499 * [taylor]: Taking taylor expansion of a in a
1.499 * [backup-simplify]: Simplify 0 into 0
1.499 * [backup-simplify]: Simplify 1 into 1
1.500 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
1.500 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
1.500 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
1.500 * [backup-simplify]: Simplify (* -1 0) into 0
1.500 * [backup-simplify]: Simplify 0 into 0
1.500 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
1.501 * [backup-simplify]: Simplify (+ (* -1 (acos (/ 1 a))) (* 0 0)) into (- (acos (/ 1 a)))
1.501 * [backup-simplify]: Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
1.501 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ 1 a))))) into 0
1.502 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 (acos (/ 1 a))) (* 0 0))) into 0
1.502 * [backup-simplify]: Simplify 0 into 0
1.503 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))) into 0
1.503 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0)))) into 0
1.503 * [backup-simplify]: Simplify 0 into 0
1.504 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))) into 0
1.505 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0))))) into 0
1.505 * [backup-simplify]: Simplify 0 into 0
1.506 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))) into 0
1.508 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0)))))) into 0
1.508 * [backup-simplify]: Simplify 0 into 0
1.509 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))))) into 0
1.510 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0))))))) into 0
1.510 * [backup-simplify]: Simplify 0 into 0
1.512 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))))) into 0
1.514 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0)))))))) into 0
1.514 * [backup-simplify]: Simplify 0 into 0
1.514 * [backup-simplify]: Simplify (* (- (acos (/ 1 (/ 1 a)))) (/ 1 a)) into (* -1 (/ (acos a) a))
1.514 * [backup-simplify]: Simplify (/ (- (acos (/ 1 (- a)))) (/ 1 (- a))) into (* a (acos (/ -1 a)))
1.514 * [approximate]: Taking taylor expansion of (* a (acos (/ -1 a))) in (a) around 0
1.514 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
1.514 * [taylor]: Taking taylor expansion of a in a
1.514 * [backup-simplify]: Simplify 0 into 0
1.514 * [backup-simplify]: Simplify 1 into 1
1.514 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
1.514 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
1.514 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
1.514 * [taylor]: Taking taylor expansion of a in a
1.514 * [backup-simplify]: Simplify 0 into 0
1.514 * [backup-simplify]: Simplify 1 into 1
1.514 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
1.514 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
1.514 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
1.514 * [backup-simplify]: Simplify 0 into 0
1.515 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
1.515 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
1.515 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
1.515 * [backup-simplify]: Simplify 0 into 0
1.516 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
1.516 * [backup-simplify]: Simplify 0 into 0
1.517 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
1.517 * [backup-simplify]: Simplify 0 into 0
1.518 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
1.518 * [backup-simplify]: Simplify 0 into 0
1.520 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
1.520 * [backup-simplify]: Simplify 0 into 0
1.521 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
1.521 * [backup-simplify]: Simplify 0 into 0
1.521 * [backup-simplify]: Simplify (* (acos (/ -1 (/ 1 (- a)))) (/ 1 (- a))) into (* -1 (/ (acos a) a))
1.521 * * * [progress]: simplifying candidates
1.525 * [simplify]: Simplifying:
  (- 1)
  (- (- (log (- (acos a))) (log a)))
  (- (log (/ (- (acos a)) a)))
  (- 0 (- (log (- (acos a))) (log a)))
  (- 0 (log (/ (- (acos a)) a)))
  (- (log 1) (- (log (- (acos a))) (log a)))
  (- (log 1) (log (/ (- (acos a)) a)))
  (log (/ 1 (/ (- (acos a)) a)))
  (exp (/ 1 (/ (- (acos a)) a)))
  (/ (* (* 1 1) 1) (/ (* (* (- (acos a)) (- (acos a))) (- (acos a))) (* (* a a) a)))
  (/ (* (* 1 1) 1) (* (* (/ (- (acos a)) a) (/ (- (acos a)) a)) (/ (- (acos a)) a)))
  (* (cbrt (/ 1 (/ (- (acos a)) a))) (cbrt (/ 1 (/ (- (acos a)) a))))
  (cbrt (/ 1 (/ (- (acos a)) a)))
  (* (* (/ 1 (/ (- (acos a)) a)) (/ 1 (/ (- (acos a)) a))) (/ 1 (/ (- (acos a)) a)))
  (sqrt (/ 1 (/ (- (acos a)) a)))
  (sqrt (/ 1 (/ (- (acos a)) a)))
  (- 1)
  (- (/ (- (acos a)) a))
  (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a))))
  (/ (cbrt 1) (cbrt (/ (- (acos a)) a)))
  (/ (* (cbrt 1) (cbrt 1)) (sqrt (/ (- (acos a)) a)))
  (/ (cbrt 1) (sqrt (/ (- (acos a)) a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (- (acos a))) (cbrt (- (acos a)))) (* (cbrt a) (cbrt a))))
  (/ (cbrt 1) (/ (cbrt (- (acos a))) (cbrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (- (acos a))) (cbrt (- (acos a)))) (sqrt a)))
  (/ (cbrt 1) (/ (cbrt (- (acos a))) (sqrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (- (acos a))) (cbrt (- (acos a)))) 1))
  (/ (cbrt 1) (/ (cbrt (- (acos a))) a))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (- (acos a))) (* (cbrt a) (cbrt a))))
  (/ (cbrt 1) (/ (sqrt (- (acos a))) (cbrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (- (acos a))) (sqrt a)))
  (/ (cbrt 1) (/ (sqrt (- (acos a))) (sqrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (- (acos a))) 1))
  (/ (cbrt 1) (/ (sqrt (- (acos a))) a))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (cbrt 1) (/ (- (acos a)) (cbrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (sqrt a)))
  (/ (cbrt 1) (/ (- (acos a)) (sqrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 1))
  (/ (cbrt 1) (/ (- (acos a)) a))
  (/ (* (cbrt 1) (cbrt 1)) (/ -1 (* (cbrt a) (cbrt a))))
  (/ (cbrt 1) (/ (acos a) (cbrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ -1 (sqrt a)))
  (/ (cbrt 1) (/ (acos a) (sqrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ -1 1))
  (/ (cbrt 1) (/ (acos a) a))
  (/ (* (cbrt 1) (cbrt 1)) (/ (- (* (cbrt (acos a)) (cbrt (acos a)))) (* (cbrt a) (cbrt a))))
  (/ (cbrt 1) (/ (cbrt (acos a)) (cbrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (- (* (cbrt (acos a)) (cbrt (acos a)))) (sqrt a)))
  (/ (cbrt 1) (/ (cbrt (acos a)) (sqrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (- (* (cbrt (acos a)) (cbrt (acos a)))) 1))
  (/ (cbrt 1) (/ (cbrt (acos a)) a))
  (/ (* (cbrt 1) (cbrt 1)) (/ (- (sqrt (acos a))) (* (cbrt a) (cbrt a))))
  (/ (cbrt 1) (/ (sqrt (acos a)) (cbrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (- (sqrt (acos a))) (sqrt a)))
  (/ (cbrt 1) (/ (sqrt (acos a)) (sqrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (- (sqrt (acos a))) 1))
  (/ (cbrt 1) (/ (sqrt (acos a)) a))
  (/ (* (cbrt 1) (cbrt 1)) (/ (- 1) (* (cbrt a) (cbrt a))))
  (/ (cbrt 1) (/ (acos a) (cbrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (- 1) (sqrt a)))
  (/ (cbrt 1) (/ (acos a) (sqrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (- 1) 1))
  (/ (cbrt 1) (/ (acos a) a))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (acos a)) (cbrt (acos a))) (* (cbrt a) (cbrt a))))
  (/ (cbrt 1) (/ (- (cbrt (acos a))) (cbrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (acos a)) (cbrt (acos a))) (sqrt a)))
  (/ (cbrt 1) (/ (- (cbrt (acos a))) (sqrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (acos a)) (cbrt (acos a))) 1))
  (/ (cbrt 1) (/ (- (cbrt (acos a))) a))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (acos a)) (* (cbrt a) (cbrt a))))
  (/ (cbrt 1) (/ (- (sqrt (acos a))) (cbrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (acos a)) (sqrt a)))
  (/ (cbrt 1) (/ (- (sqrt (acos a))) (sqrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (acos a)) 1))
  (/ (cbrt 1) (/ (- (sqrt (acos a))) a))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (cbrt 1) (/ (- (acos a)) (cbrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (sqrt a)))
  (/ (cbrt 1) (/ (- (acos a)) (sqrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 1))
  (/ (cbrt 1) (/ (- (acos a)) a))
  (/ (* (cbrt 1) (cbrt 1)) 1)
  (/ (cbrt 1) (/ (- (acos a)) a))
  (/ (* (cbrt 1) (cbrt 1)) (- (acos a)))
  (/ (cbrt 1) (/ 1 a))
  (/ (sqrt 1) (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a))))
  (/ (sqrt 1) (cbrt (/ (- (acos a)) a)))
  (/ (sqrt 1) (sqrt (/ (- (acos a)) a)))
  (/ (sqrt 1) (sqrt (/ (- (acos a)) a)))
  (/ (sqrt 1) (/ (* (cbrt (- (acos a))) (cbrt (- (acos a)))) (* (cbrt a) (cbrt a))))
  (/ (sqrt 1) (/ (cbrt (- (acos a))) (cbrt a)))
  (/ (sqrt 1) (/ (* (cbrt (- (acos a))) (cbrt (- (acos a)))) (sqrt a)))
  (/ (sqrt 1) (/ (cbrt (- (acos a))) (sqrt a)))
  (/ (sqrt 1) (/ (* (cbrt (- (acos a))) (cbrt (- (acos a)))) 1))
  (/ (sqrt 1) (/ (cbrt (- (acos a))) a))
  (/ (sqrt 1) (/ (sqrt (- (acos a))) (* (cbrt a) (cbrt a))))
  (/ (sqrt 1) (/ (sqrt (- (acos a))) (cbrt a)))
  (/ (sqrt 1) (/ (sqrt (- (acos a))) (sqrt a)))
  (/ (sqrt 1) (/ (sqrt (- (acos a))) (sqrt a)))
  (/ (sqrt 1) (/ (sqrt (- (acos a))) 1))
  (/ (sqrt 1) (/ (sqrt (- (acos a))) a))
  (/ (sqrt 1) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (sqrt 1) (/ (- (acos a)) (cbrt a)))
  (/ (sqrt 1) (/ 1 (sqrt a)))
  (/ (sqrt 1) (/ (- (acos a)) (sqrt a)))
  (/ (sqrt 1) (/ 1 1))
  (/ (sqrt 1) (/ (- (acos a)) a))
  (/ (sqrt 1) (/ -1 (* (cbrt a) (cbrt a))))
  (/ (sqrt 1) (/ (acos a) (cbrt a)))
  (/ (sqrt 1) (/ -1 (sqrt a)))
  (/ (sqrt 1) (/ (acos a) (sqrt a)))
  (/ (sqrt 1) (/ -1 1))
  (/ (sqrt 1) (/ (acos a) a))
  (/ (sqrt 1) (/ (- (* (cbrt (acos a)) (cbrt (acos a)))) (* (cbrt a) (cbrt a))))
  (/ (sqrt 1) (/ (cbrt (acos a)) (cbrt a)))
  (/ (sqrt 1) (/ (- (* (cbrt (acos a)) (cbrt (acos a)))) (sqrt a)))
  (/ (sqrt 1) (/ (cbrt (acos a)) (sqrt a)))
  (/ (sqrt 1) (/ (- (* (cbrt (acos a)) (cbrt (acos a)))) 1))
  (/ (sqrt 1) (/ (cbrt (acos a)) a))
  (/ (sqrt 1) (/ (- (sqrt (acos a))) (* (cbrt a) (cbrt a))))
  (/ (sqrt 1) (/ (sqrt (acos a)) (cbrt a)))
  (/ (sqrt 1) (/ (- (sqrt (acos a))) (sqrt a)))
  (/ (sqrt 1) (/ (sqrt (acos a)) (sqrt a)))
  (/ (sqrt 1) (/ (- (sqrt (acos a))) 1))
  (/ (sqrt 1) (/ (sqrt (acos a)) a))
  (/ (sqrt 1) (/ (- 1) (* (cbrt a) (cbrt a))))
  (/ (sqrt 1) (/ (acos a) (cbrt a)))
  (/ (sqrt 1) (/ (- 1) (sqrt a)))
  (/ (sqrt 1) (/ (acos a) (sqrt a)))
  (/ (sqrt 1) (/ (- 1) 1))
  (/ (sqrt 1) (/ (acos a) a))
  (/ (sqrt 1) (/ (* (cbrt (acos a)) (cbrt (acos a))) (* (cbrt a) (cbrt a))))
  (/ (sqrt 1) (/ (- (cbrt (acos a))) (cbrt a)))
  (/ (sqrt 1) (/ (* (cbrt (acos a)) (cbrt (acos a))) (sqrt a)))
  (/ (sqrt 1) (/ (- (cbrt (acos a))) (sqrt a)))
  (/ (sqrt 1) (/ (* (cbrt (acos a)) (cbrt (acos a))) 1))
  (/ (sqrt 1) (/ (- (cbrt (acos a))) a))
  (/ (sqrt 1) (/ (sqrt (acos a)) (* (cbrt a) (cbrt a))))
  (/ (sqrt 1) (/ (- (sqrt (acos a))) (cbrt a)))
  (/ (sqrt 1) (/ (sqrt (acos a)) (sqrt a)))
  (/ (sqrt 1) (/ (- (sqrt (acos a))) (sqrt a)))
  (/ (sqrt 1) (/ (sqrt (acos a)) 1))
  (/ (sqrt 1) (/ (- (sqrt (acos a))) a))
  (/ (sqrt 1) (/ 1 (* (cbrt a) (cbrt a))))
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  (/ (sqrt 1) (/ (- (acos a)) (sqrt a)))
  (/ (sqrt 1) (/ 1 1))
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  (/ (sqrt 1) (/ (- (acos a)) a))
  (/ (sqrt 1) (- (acos a)))
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  (/ 1 (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a))))
  (/ 1 (cbrt (/ (- (acos a)) a)))
  (/ 1 (sqrt (/ (- (acos a)) a)))
  (/ 1 (sqrt (/ (- (acos a)) a)))
  (/ 1 (/ (* (cbrt (- (acos a))) (cbrt (- (acos a)))) (* (cbrt a) (cbrt a))))
  (/ 1 (/ (cbrt (- (acos a))) (cbrt a)))
  (/ 1 (/ (* (cbrt (- (acos a))) (cbrt (- (acos a)))) (sqrt a)))
  (/ 1 (/ (cbrt (- (acos a))) (sqrt a)))
  (/ 1 (/ (* (cbrt (- (acos a))) (cbrt (- (acos a)))) 1))
  (/ 1 (/ (cbrt (- (acos a))) a))
  (/ 1 (/ (sqrt (- (acos a))) (* (cbrt a) (cbrt a))))
  (/ 1 (/ (sqrt (- (acos a))) (cbrt a)))
  (/ 1 (/ (sqrt (- (acos a))) (sqrt a)))
  (/ 1 (/ (sqrt (- (acos a))) (sqrt a)))
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  (/ 1 (/ (sqrt (- (acos a))) a))
  (/ 1 (/ 1 (* (cbrt a) (cbrt a))))
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  (/ 1 (/ -1 1))
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  (/ 1 (/ (- (* (cbrt (acos a)) (cbrt (acos a)))) (* (cbrt a) (cbrt a))))
  (/ 1 (/ (cbrt (acos a)) (cbrt a)))
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  (/ 1 (/ (- (* (cbrt (acos a)) (cbrt (acos a)))) 1))
  (/ 1 (/ (cbrt (acos a)) a))
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  (/ 1 (/ (sqrt (acos a)) (sqrt a)))
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  (/ 1 (/ (- 1) 1))
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  (/ 1 (/ (* (cbrt (acos a)) (cbrt (acos a))) (* (cbrt a) (cbrt a))))
  (/ 1 (/ (- (cbrt (acos a))) (cbrt a)))
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  (/ 1 (/ (* (cbrt (acos a)) (cbrt (acos a))) 1))
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  (/ 1 (/ (sqrt (acos a)) 1))
  (/ 1 (/ (- (sqrt (acos a))) a))
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  (/ 1 (/ (* (cbrt (- (acos a))) (cbrt (- (acos a)))) (* (cbrt a) (cbrt a))))
  (/ 1 (/ (* (cbrt (- (acos a))) (cbrt (- (acos a)))) (sqrt a)))
  (/ 1 (/ (* (cbrt (- (acos a))) (cbrt (- (acos a)))) 1))
  (/ 1 (/ (sqrt (- (acos a))) (* (cbrt a) (cbrt a))))
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  (/ 1 (/ (- (* (cbrt (acos a)) (cbrt (acos a)))) (sqrt a)))
  (/ 1 (/ (- (* (cbrt (acos a)) (cbrt (acos a)))) 1))
  (/ 1 (/ (- (sqrt (acos a))) (* (cbrt a) (cbrt a))))
  (/ 1 (/ (- (sqrt (acos a))) (sqrt a)))
  (/ 1 (/ (- (sqrt (acos a))) 1))
  (/ 1 (/ (- 1) (* (cbrt a) (cbrt a))))
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  (/ 1 (/ (* (cbrt (acos a)) (cbrt (acos a))) (sqrt a)))
  (/ 1 (/ (* (cbrt (acos a)) (cbrt (acos a))) 1))
  (/ 1 (/ (sqrt (acos a)) (* (cbrt a) (cbrt a))))
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  (/ 1 (/ (sqrt (acos a)) 1))
  (/ 1 (/ 1 (* (cbrt a) (cbrt a))))
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  (/ (* (* (- (acos a)) (- (acos a))) (- (acos a))) (* (* a a) a))
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  (cbrt (/ (- (acos a)) a))
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  (sqrt (/ (- (acos a)) a))
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  (- (- (acos a)))
  (- a)
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  (/ (cbrt (- (acos a))) (cbrt a))
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  (/ (cbrt (acos a)) (cbrt a))
  (/ (- (* (cbrt (acos a)) (cbrt (acos a)))) (sqrt a))
  (/ (cbrt (acos a)) (sqrt a))
  (/ (- (* (cbrt (acos a)) (cbrt (acos a)))) 1)
  (/ (cbrt (acos a)) a)
  (/ (- (sqrt (acos a))) (* (cbrt a) (cbrt a)))
  (/ (sqrt (acos a)) (cbrt a))
  (/ (- (sqrt (acos a))) (sqrt a))
  (/ (sqrt (acos a)) (sqrt a))
  (/ (- (sqrt (acos a))) 1)
  (/ (sqrt (acos a)) a)
  (/ (- 1) (* (cbrt a) (cbrt a)))
  (/ (acos a) (cbrt a))
  (/ (- 1) (sqrt a))
  (/ (acos a) (sqrt a))
  (/ (- 1) 1)
  (/ (acos a) a)
  (/ (* (cbrt (acos a)) (cbrt (acos a))) (* (cbrt a) (cbrt a)))
  (/ (- (cbrt (acos a))) (cbrt a))
  (/ (* (cbrt (acos a)) (cbrt (acos a))) (sqrt a))
  (/ (- (cbrt (acos a))) (sqrt a))
  (/ (* (cbrt (acos a)) (cbrt (acos a))) 1)
  (/ (- (cbrt (acos a))) a)
  (/ (sqrt (acos a)) (* (cbrt a) (cbrt a)))
  (/ (- (sqrt (acos a))) (cbrt a))
  (/ (sqrt (acos a)) (sqrt a))
  (/ (- (sqrt (acos a))) (sqrt a))
  (/ (sqrt (acos a)) 1)
  (/ (- (sqrt (acos a))) a)
  (/ 1 (* (cbrt a) (cbrt a)))
  (/ (- (acos a)) (cbrt a))
  (/ 1 (sqrt a))
  (/ (- (acos a)) (sqrt a))
  (/ 1 1)
  (/ (- (acos a)) a)
  (/ 1 a)
  (/ a (- (acos a)))
  (/ (acos a) a)
  (/ (- (acos a)) (* (cbrt a) (cbrt a)))
  (/ (- (acos a)) (sqrt a))
  (/ (- (acos a)) 1)
  (/ a (cbrt (- (acos a))))
  (/ a (sqrt (- (acos a))))
  (/ a (- (acos a)))
  (/ a (acos a))
  (/ a (cbrt (acos a)))
  (/ a (sqrt (acos a)))
  (/ a (acos a))
  (/ a (- (cbrt (acos a))))
  (/ a (- (sqrt (acos a))))
  (/ a (- (acos a)))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (* -1 (/ (acos a) a))
  (* -1 (/ (acos a) a))
  (* -1 (/ (acos a) a))
1.528 * * [simplify]: iteration 0: 288 enodes
1.731 * * [simplify]: iteration 1: 785 enodes
2.031 * * [simplify]: iteration 2: 3876 enodes
2.726 * * [simplify]: iteration complete: 5000 enodes
2.726 * * [simplify]: Extracting #0: cost 126 inf + 0
2.729 * * [simplify]: Extracting #1: cost 1524 inf + 308
2.744 * * [simplify]: Extracting #2: cost 1221 inf + 110367
2.819 * * [simplify]: Extracting #3: cost 225 inf + 354571
2.925 * * [simplify]: Extracting #4: cost 3 inf + 416188
3.030 * * [simplify]: Extracting #5: cost 0 inf + 417023
3.142 * [simplify]: Simplified to:
  -1
  (- (log (- (/ (acos a) a))))
  (- (log (- (/ (acos a) a))))
  (- (log (- (/ (acos a) a))))
  (- (log (- (/ (acos a) a))))
  (- (log (- (/ (acos a) a))))
  (- (log (- (/ (acos a) a))))
  (- (log (- (/ (acos a) a))))
  (exp (/ (* 1 a) (- (acos a))))
  (/ (/ 1 (- (/ (acos a) a))) (* (/ (acos a) a) (/ (acos a) a)))
  (/ (/ 1 (- (/ (acos a) a))) (* (/ (acos a) a) (/ (acos a) a)))
  (* (cbrt (/ (* 1 a) (- (acos a)))) (cbrt (/ (* 1 a) (- (acos a)))))
  (cbrt (/ (* 1 a) (- (acos a))))
  (* (/ (* 1 a) (- (acos a))) (* (/ (* 1 a) (- (acos a))) (/ (* 1 a) (- (acos a)))))
  (sqrt (/ (* 1 a) (- (acos a))))
  (sqrt (/ (* 1 a) (- (acos a))))
  -1
  (/ (acos a) a)
  (/ (/ 1 (cbrt (- (/ (acos a) a)))) (cbrt (- (/ (acos a) a))))
  (/ 1 (cbrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 (* (/ (cbrt (- (acos a))) (cbrt a)) (/ (cbrt (- (acos a))) (cbrt a))))
  (* (/ 1 (cbrt (- (acos a)))) (cbrt a))
  (* (/ 1 (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (sqrt a))
  (* (sqrt a) (/ 1 (cbrt (- (acos a)))))
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (/ (* 1 a) (cbrt (- (acos a))))
  (/ 1 (/ (/ (sqrt (- (acos a))) (cbrt a)) (cbrt a)))
  (/ 1 (/ (sqrt (- (acos a))) (cbrt a)))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (/ 1 (sqrt (- (acos a))))
  (/ (* 1 a) (sqrt (- (acos a))))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (/ (* 1 (sqrt a)) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  (- (* (cbrt a) (cbrt a)))
  (/ (* 1 (cbrt a)) (acos a))
  (- (sqrt a))
  (* (sqrt a) (/ 1 (acos a)))
  -1
  (/ (* 1 a) (acos a))
  (/ 1 (- (* (/ (cbrt (acos a)) (cbrt a)) (/ (cbrt (acos a)) (cbrt a)))))
  (* (cbrt a) (/ 1 (cbrt (acos a))))
  (* (sqrt a) (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))))
  (/ (* 1 (sqrt a)) (cbrt (acos a)))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a)))
  (* (/ 1 (cbrt (acos a))) a)
  (* (* (cbrt a) (cbrt a)) (/ 1 (- (sqrt (acos a)))))
  (/ 1 (/ (sqrt (acos a)) (cbrt a)))
  (* (sqrt a) (/ 1 (- (sqrt (acos a)))))
  (/ (* 1 (sqrt a)) (sqrt (acos a)))
  (/ 1 (- (sqrt (acos a))))
  (* (/ 1 (sqrt (acos a))) a)
  (- (* (cbrt a) (cbrt a)))
  (/ (* 1 (cbrt a)) (acos a))
  (- (sqrt a))
  (* (sqrt a) (/ 1 (acos a)))
  -1
  (/ (* 1 a) (acos a))
  (/ (/ 1 (/ (cbrt (acos a)) (cbrt a))) (/ (cbrt (acos a)) (cbrt a)))
  (/ (* 1 (cbrt a)) (- (cbrt (acos a))))
  (* (/ (/ 1 (cbrt (acos a))) (cbrt (acos a))) (sqrt a))
  (/ (* 1 (sqrt a)) (- (cbrt (acos a))))
  (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
  (* a (/ 1 (- (cbrt (acos a)))))
  (/ 1 (/ (/ (sqrt (acos a)) (cbrt a)) (cbrt a)))
  (* (/ 1 (- (sqrt (acos a)))) (cbrt a))
  (/ (* 1 (sqrt a)) (sqrt (acos a)))
  (* (sqrt a) (/ 1 (- (sqrt (acos a)))))
  (/ 1 (sqrt (acos a)))
  (/ (* 1 a) (- (sqrt (acos a))))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (/ (* 1 (sqrt a)) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  (/ 1 (- (acos a)))
  a
  (/ (/ 1 (cbrt (- (/ (acos a) a)))) (cbrt (- (/ (acos a) a))))
  (/ 1 (cbrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 (* (/ (cbrt (- (acos a))) (cbrt a)) (/ (cbrt (- (acos a))) (cbrt a))))
  (* (/ 1 (cbrt (- (acos a)))) (cbrt a))
  (* (/ 1 (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (sqrt a))
  (* (sqrt a) (/ 1 (cbrt (- (acos a)))))
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (/ (* 1 a) (cbrt (- (acos a))))
  (/ 1 (/ (/ (sqrt (- (acos a))) (cbrt a)) (cbrt a)))
  (/ 1 (/ (sqrt (- (acos a))) (cbrt a)))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (/ 1 (sqrt (- (acos a))))
  (/ (* 1 a) (sqrt (- (acos a))))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (/ (* 1 (sqrt a)) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  (- (* (cbrt a) (cbrt a)))
  (/ (* 1 (cbrt a)) (acos a))
  (- (sqrt a))
  (* (sqrt a) (/ 1 (acos a)))
  -1
  (/ (* 1 a) (acos a))
  (/ 1 (- (* (/ (cbrt (acos a)) (cbrt a)) (/ (cbrt (acos a)) (cbrt a)))))
  (* (cbrt a) (/ 1 (cbrt (acos a))))
  (* (sqrt a) (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))))
  (/ (* 1 (sqrt a)) (cbrt (acos a)))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a)))
  (* (/ 1 (cbrt (acos a))) a)
  (* (* (cbrt a) (cbrt a)) (/ 1 (- (sqrt (acos a)))))
  (/ 1 (/ (sqrt (acos a)) (cbrt a)))
  (* (sqrt a) (/ 1 (- (sqrt (acos a)))))
  (/ (* 1 (sqrt a)) (sqrt (acos a)))
  (/ 1 (- (sqrt (acos a))))
  (* (/ 1 (sqrt (acos a))) a)
  (- (* (cbrt a) (cbrt a)))
  (/ (* 1 (cbrt a)) (acos a))
  (- (sqrt a))
  (* (sqrt a) (/ 1 (acos a)))
  -1
  (/ (* 1 a) (acos a))
  (/ (/ 1 (/ (cbrt (acos a)) (cbrt a))) (/ (cbrt (acos a)) (cbrt a)))
  (/ (* 1 (cbrt a)) (- (cbrt (acos a))))
  (* (/ (/ 1 (cbrt (acos a))) (cbrt (acos a))) (sqrt a))
  (/ (* 1 (sqrt a)) (- (cbrt (acos a))))
  (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
  (* a (/ 1 (- (cbrt (acos a)))))
  (/ 1 (/ (/ (sqrt (acos a)) (cbrt a)) (cbrt a)))
  (* (/ 1 (- (sqrt (acos a)))) (cbrt a))
  (/ (* 1 (sqrt a)) (sqrt (acos a)))
  (* (sqrt a) (/ 1 (- (sqrt (acos a)))))
  (/ 1 (sqrt (acos a)))
  (/ (* 1 a) (- (sqrt (acos a))))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (/ (* 1 (sqrt a)) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  (/ 1 (- (acos a)))
  a
  (/ (/ 1 (cbrt (- (/ (acos a) a)))) (cbrt (- (/ (acos a) a))))
  (/ 1 (cbrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 (* (/ (cbrt (- (acos a))) (cbrt a)) (/ (cbrt (- (acos a))) (cbrt a))))
  (* (/ 1 (cbrt (- (acos a)))) (cbrt a))
  (* (/ 1 (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (sqrt a))
  (* (sqrt a) (/ 1 (cbrt (- (acos a)))))
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (/ (* 1 a) (cbrt (- (acos a))))
  (/ 1 (/ (/ (sqrt (- (acos a))) (cbrt a)) (cbrt a)))
  (/ 1 (/ (sqrt (- (acos a))) (cbrt a)))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (/ 1 (sqrt (- (acos a))))
  (/ (* 1 a) (sqrt (- (acos a))))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (/ (* 1 (sqrt a)) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  (- (* (cbrt a) (cbrt a)))
  (/ (* 1 (cbrt a)) (acos a))
  (- (sqrt a))
  (* (sqrt a) (/ 1 (acos a)))
  -1
  (/ (* 1 a) (acos a))
  (/ 1 (- (* (/ (cbrt (acos a)) (cbrt a)) (/ (cbrt (acos a)) (cbrt a)))))
  (* (cbrt a) (/ 1 (cbrt (acos a))))
  (* (sqrt a) (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))))
  (/ (* 1 (sqrt a)) (cbrt (acos a)))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a)))
  (* (/ 1 (cbrt (acos a))) a)
  (* (* (cbrt a) (cbrt a)) (/ 1 (- (sqrt (acos a)))))
  (/ 1 (/ (sqrt (acos a)) (cbrt a)))
  (* (sqrt a) (/ 1 (- (sqrt (acos a)))))
  (/ (* 1 (sqrt a)) (sqrt (acos a)))
  (/ 1 (- (sqrt (acos a))))
  (* (/ 1 (sqrt (acos a))) a)
  (- (* (cbrt a) (cbrt a)))
  (/ (* 1 (cbrt a)) (acos a))
  (- (sqrt a))
  (* (sqrt a) (/ 1 (acos a)))
  -1
  (/ (* 1 a) (acos a))
  (/ (/ 1 (/ (cbrt (acos a)) (cbrt a))) (/ (cbrt (acos a)) (cbrt a)))
  (/ (* 1 (cbrt a)) (- (cbrt (acos a))))
  (* (/ (/ 1 (cbrt (acos a))) (cbrt (acos a))) (sqrt a))
  (/ (* 1 (sqrt a)) (- (cbrt (acos a))))
  (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
  (* a (/ 1 (- (cbrt (acos a)))))
  (/ 1 (/ (/ (sqrt (acos a)) (cbrt a)) (cbrt a)))
  (* (/ 1 (- (sqrt (acos a)))) (cbrt a))
  (/ (* 1 (sqrt a)) (sqrt (acos a)))
  (* (sqrt a) (/ 1 (- (sqrt (acos a)))))
  (/ 1 (sqrt (acos a)))
  (/ (* 1 a) (- (sqrt (acos a))))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (/ (* 1 (sqrt a)) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  (/ 1 (- (acos a)))
  a
  (/ (* 1 a) (- (acos a)))
  (- (/ (acos a) a))
  (/ (/ 1 (cbrt (- (/ (acos a) a)))) (cbrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 (* (/ (cbrt (- (acos a))) (cbrt a)) (/ (cbrt (- (acos a))) (cbrt a))))
  (* (/ 1 (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (sqrt a))
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (/ 1 (/ (/ (sqrt (- (acos a))) (cbrt a)) (cbrt a)))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (/ 1 (sqrt (- (acos a))))
  (* (cbrt a) (cbrt a))
  (sqrt a)
  1
  (- (* (cbrt a) (cbrt a)))
  (- (sqrt a))
  -1
  (/ 1 (- (* (/ (cbrt (acos a)) (cbrt a)) (/ (cbrt (acos a)) (cbrt a)))))
  (* (sqrt a) (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a)))
  (* (* (cbrt a) (cbrt a)) (/ 1 (- (sqrt (acos a)))))
  (* (sqrt a) (/ 1 (- (sqrt (acos a)))))
  (/ 1 (- (sqrt (acos a))))
  (- (* (cbrt a) (cbrt a)))
  (- (sqrt a))
  -1
  (/ (/ 1 (/ (cbrt (acos a)) (cbrt a))) (/ (cbrt (acos a)) (cbrt a)))
  (* (/ (/ 1 (cbrt (acos a))) (cbrt (acos a))) (sqrt a))
  (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
  (/ 1 (/ (/ (sqrt (acos a)) (cbrt a)) (cbrt a)))
  (/ (* 1 (sqrt a)) (sqrt (acos a)))
  (/ 1 (sqrt (acos a)))
  (* (cbrt a) (cbrt a))
  (sqrt a)
  1
  1
  (/ 1 (- (acos a)))
  (- (/ (acos a) a))
  (- (/ (acos a) a))
  (- (/ (acos a) a))
  (/ 1 (- (acos a)))
  (log (- (/ (acos a) a)))
  (log (- (/ (acos a) a)))
  (exp (- (/ (acos a) a)))
  (- (* (* (/ (acos a) a) (/ (acos a) a)) (/ (acos a) a)))
  (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a))))
  (cbrt (- (/ (acos a) a)))
  (- (* (* (/ (acos a) a) (/ (acos a) a)) (/ (acos a) a)))
  (sqrt (- (/ (acos a) a)))
  (sqrt (- (/ (acos a) a)))
  (acos a)
  (- a)
  0
  (/ (acos a) a)
  (* (/ (cbrt (- (acos a))) (cbrt a)) (/ (cbrt (- (acos a))) (cbrt a)))
  (/ (cbrt (- (acos a))) (cbrt a))
  (* (/ (cbrt (- (acos a))) (sqrt a)) (cbrt (- (acos a))))
  (/ (cbrt (- (acos a))) (sqrt a))
  (* (cbrt (- (acos a))) (cbrt (- (acos a))))
  (/ (cbrt (- (acos a))) a)
  (/ (/ (sqrt (- (acos a))) (cbrt a)) (cbrt a))
  (/ (sqrt (- (acos a))) (cbrt a))
  (/ (sqrt (- (acos a))) (sqrt a))
  (/ (sqrt (- (acos a))) (sqrt a))
  (sqrt (- (acos a)))
  (/ (sqrt (- (acos a))) a)
  (/ 1 (* (cbrt a) (cbrt a)))
  (/ (- (acos a)) (cbrt a))
  (/ 1 (sqrt a))
  (- (/ (acos a) (sqrt a)))
  1
  (- (/ (acos a) a))
  (/ (/ -1 (cbrt a)) (cbrt a))
  (/ (acos a) (cbrt a))
  (/ -1 (sqrt a))
  (/ (acos a) (sqrt a))
  -1
  (/ (acos a) a)
  (- (* (/ (cbrt (acos a)) (cbrt a)) (/ (cbrt (acos a)) (cbrt a))))
  (/ (cbrt (acos a)) (cbrt a))
  (- (/ (cbrt (acos a)) (/ (sqrt a) (cbrt (acos a)))))
  (/ (cbrt (acos a)) (sqrt a))
  (* (- (cbrt (acos a))) (cbrt (acos a)))
  (/ (cbrt (acos a)) a)
  (/ (- (sqrt (acos a))) (* (cbrt a) (cbrt a)))
  (/ (sqrt (acos a)) (cbrt a))
  (/ (- (sqrt (acos a))) (sqrt a))
  (/ (sqrt (acos a)) (sqrt a))
  (- (sqrt (acos a)))
  (/ (sqrt (acos a)) a)
  (/ (/ -1 (cbrt a)) (cbrt a))
  (/ (acos a) (cbrt a))
  (/ -1 (sqrt a))
  (/ (acos a) (sqrt a))
  -1
  (/ (acos a) a)
  (* (/ (cbrt (acos a)) (cbrt a)) (/ (cbrt (acos a)) (cbrt a)))
  (/ (- (cbrt (acos a))) (cbrt a))
  (/ (cbrt (acos a)) (/ (sqrt a) (cbrt (acos a))))
  (- (/ (cbrt (acos a)) (sqrt a)))
  (* (cbrt (acos a)) (cbrt (acos a)))
  (- (/ (cbrt (acos a)) a))
  (/ (/ (sqrt (acos a)) (cbrt a)) (cbrt a))
  (- (/ (sqrt (acos a)) (cbrt a)))
  (/ (sqrt (acos a)) (sqrt a))
  (/ (- (sqrt (acos a))) (sqrt a))
  (sqrt (acos a))
  (/ (- (sqrt (acos a))) a)
  (/ 1 (* (cbrt a) (cbrt a)))
  (/ (- (acos a)) (cbrt a))
  (/ 1 (sqrt a))
  (- (/ (acos a) (sqrt a)))
  1
  (- (/ (acos a) a))
  (/ 1 a)
  (/ a (- (acos a)))
  (/ (acos a) a)
  (/ (- (acos a)) (* (cbrt a) (cbrt a)))
  (- (/ (acos a) (sqrt a)))
  (- (acos a))
  (/ a (cbrt (- (acos a))))
  (/ a (sqrt (- (acos a))))
  (/ a (- (acos a)))
  (/ a (acos a))
  (/ a (cbrt (acos a)))
  (/ a (sqrt (acos a)))
  (/ a (acos a))
  (/ a (- (cbrt (acos a))))
  (/ a (- (sqrt (acos a))))
  (/ a (- (acos a)))
  (- (/ a (acos a)))
  (- (/ a (acos a)))
  (- (/ a (acos a)))
  (- (/ (acos a) a))
  (- (/ (acos a) a))
  (- (/ (acos a) a))
3.168 * * * [progress]: adding candidates to table
3.910 * * [progress]: iteration 3 / 4
3.910 * * * [progress]: picking best candidate
3.949 * * * * [pick]: Picked  #<alt (λ (a) (/ (/ 1 (- (acos a))) (/ 1 a)))>
3.949 * * * [progress]: localizing error
3.968 * * * [progress]: generating rewritten candidates
3.968 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
4.099 * * * [progress]: generating series expansions
4.100 * * * * [progress]: [ 1 / 1 ] generating series at (2)
4.100 * [backup-simplify]: Simplify (/ (/ 1 (- (acos a))) (/ 1 a)) into (* -1 (/ a (acos a)))
4.100 * [approximate]: Taking taylor expansion of (* -1 (/ a (acos a))) in (a) around 0
4.100 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
4.100 * [taylor]: Taking taylor expansion of -1 in a
4.100 * [backup-simplify]: Simplify -1 into -1
4.100 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
4.100 * [taylor]: Taking taylor expansion of a in a
4.100 * [backup-simplify]: Simplify 0 into 0
4.100 * [backup-simplify]: Simplify 1 into 1
4.100 * [taylor]: Taking taylor expansion of (acos a) in a
4.101 * [backup-simplify]: Simplify (acos a) into (acos a)
4.101 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
4.101 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
4.101 * [taylor]: Taking taylor expansion of -1 in a
4.101 * [backup-simplify]: Simplify -1 into -1
4.101 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
4.101 * [taylor]: Taking taylor expansion of a in a
4.101 * [backup-simplify]: Simplify 0 into 0
4.101 * [backup-simplify]: Simplify 1 into 1
4.101 * [taylor]: Taking taylor expansion of (acos a) in a
4.101 * [backup-simplify]: Simplify (acos a) into (acos a)
4.101 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
4.101 * [backup-simplify]: Simplify (* -1 (/ 1 (acos a))) into (/ -1 (acos a))
4.101 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
4.102 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))))) into 0
4.103 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (/ 1 (acos a)))) into 0
4.103 * [backup-simplify]: Simplify 0 into 0
4.103 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
4.104 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))) into 0
4.104 * [backup-simplify]: Simplify 0 into 0
4.104 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
4.106 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))) into 0
4.106 * [backup-simplify]: Simplify 0 into 0
4.106 * [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
4.108 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))) into 0
4.108 * [backup-simplify]: Simplify 0 into 0
4.109 * [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
4.111 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))))) into 0
4.111 * [backup-simplify]: Simplify 0 into 0
4.111 * [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
4.114 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))))) into 0
4.114 * [backup-simplify]: Simplify 0 into 0
4.114 * [backup-simplify]: Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
4.114 * [backup-simplify]: Simplify (/ (/ 1 (- (acos (/ 1 a)))) (/ 1 (/ 1 a))) into (/ -1 (* a (acos (/ 1 a))))
4.114 * [approximate]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in (a) around 0
4.114 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
4.114 * [taylor]: Taking taylor expansion of -1 in a
4.114 * [backup-simplify]: Simplify -1 into -1
4.115 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
4.115 * [taylor]: Taking taylor expansion of a in a
4.115 * [backup-simplify]: Simplify 0 into 0
4.115 * [backup-simplify]: Simplify 1 into 1
4.115 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
4.115 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
4.115 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
4.115 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
4.116 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
4.116 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
4.116 * [taylor]: Taking taylor expansion of -1 in a
4.116 * [backup-simplify]: Simplify -1 into -1
4.116 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
4.116 * [taylor]: Taking taylor expansion of a in a
4.116 * [backup-simplify]: Simplify 0 into 0
4.116 * [backup-simplify]: Simplify 1 into 1
4.116 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
4.116 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
4.116 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
4.116 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
4.117 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
4.117 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
4.118 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ 1 a))))) into 0
4.118 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))))) into 0
4.118 * [backup-simplify]: Simplify 0 into 0
4.119 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))) into 0
4.120 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
4.120 * [backup-simplify]: Simplify 0 into 0
4.121 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))) into 0
4.122 * [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
4.122 * [backup-simplify]: Simplify 0 into 0
4.124 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))) into 0
4.125 * [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
4.125 * [backup-simplify]: Simplify 0 into 0
4.127 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))))) into 0
4.128 * [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
4.128 * [backup-simplify]: Simplify 0 into 0
4.131 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))))) into 0
4.132 * [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
4.132 * [backup-simplify]: Simplify 0 into 0
4.132 * [backup-simplify]: Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
4.132 * [backup-simplify]: Simplify (/ (/ 1 (- (acos (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (/ 1 (* a (acos (/ -1 a))))
4.132 * [approximate]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in (a) around 0
4.132 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
4.132 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
4.132 * [taylor]: Taking taylor expansion of a in a
4.132 * [backup-simplify]: Simplify 0 into 0
4.132 * [backup-simplify]: Simplify 1 into 1
4.132 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
4.133 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
4.133 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
4.133 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
4.133 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
4.133 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
4.133 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
4.133 * [taylor]: Taking taylor expansion of a in a
4.133 * [backup-simplify]: Simplify 0 into 0
4.133 * [backup-simplify]: Simplify 1 into 1
4.133 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
4.134 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
4.134 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
4.134 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
4.134 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
4.134 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
4.135 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
4.136 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
4.136 * [backup-simplify]: Simplify 0 into 0
4.137 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
4.137 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
4.137 * [backup-simplify]: Simplify 0 into 0
4.139 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
4.139 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
4.139 * [backup-simplify]: Simplify 0 into 0
4.141 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
4.142 * [backup-simplify]: Simplify (- (+ (* (/ 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
4.142 * [backup-simplify]: Simplify 0 into 0
4.144 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
4.145 * [backup-simplify]: Simplify (- (+ (* (/ 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
4.145 * [backup-simplify]: Simplify 0 into 0
4.148 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
4.148 * [backup-simplify]: Simplify (- (+ (* (/ 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
4.149 * [backup-simplify]: Simplify 0 into 0
4.149 * [backup-simplify]: Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
4.149 * * * [progress]: simplifying candidates
4.171 * [simplify]: Simplifying:
  (- (- (log (- (acos a)))) (- (log a)))
  (- (- (log (- (acos a)))) (- 0 (log a)))
  (- (- (log (- (acos a)))) (- (log 1) (log a)))
  (- (- (log (- (acos a)))) (log (/ 1 a)))
  (- (- 0 (log (- (acos a)))) (- (log a)))
  (- (- 0 (log (- (acos a)))) (- 0 (log a)))
  (- (- 0 (log (- (acos a)))) (- (log 1) (log a)))
  (- (- 0 (log (- (acos a)))) (log (/ 1 a)))
  (- (- (log 1) (log (- (acos a)))) (- (log a)))
  (- (- (log 1) (log (- (acos a)))) (- 0 (log a)))
  (- (- (log 1) (log (- (acos a)))) (- (log 1) (log a)))
  (- (- (log 1) (log (- (acos a)))) (log (/ 1 a)))
  (- (log (/ 1 (- (acos a)))) (- (log a)))
  (- (log (/ 1 (- (acos a)))) (- 0 (log a)))
  (- (log (/ 1 (- (acos a)))) (- (log 1) (log a)))
  (- (log (/ 1 (- (acos a)))) (log (/ 1 a)))
  (log (/ (/ 1 (- (acos a))) (/ 1 a)))
  (exp (/ (/ 1 (- (acos a))) (/ 1 a)))
  (/ (/ (* (* 1 1) 1) (* (* (- (acos a)) (- (acos a))) (- (acos a)))) (/ (* (* 1 1) 1) (* (* a a) a)))
  (/ (/ (* (* 1 1) 1) (* (* (- (acos a)) (- (acos a))) (- (acos a)))) (* (* (/ 1 a) (/ 1 a)) (/ 1 a)))
  (/ (* (* (/ 1 (- (acos a))) (/ 1 (- (acos a)))) (/ 1 (- (acos a)))) (/ (* (* 1 1) 1) (* (* a a) a)))
  (/ (* (* (/ 1 (- (acos a))) (/ 1 (- (acos a)))) (/ 1 (- (acos a)))) (* (* (/ 1 a) (/ 1 a)) (/ 1 a)))
  (* (cbrt (/ (/ 1 (- (acos a))) (/ 1 a))) (cbrt (/ (/ 1 (- (acos a))) (/ 1 a))))
  (cbrt (/ (/ 1 (- (acos a))) (/ 1 a)))
  (* (* (/ (/ 1 (- (acos a))) (/ 1 a)) (/ (/ 1 (- (acos a))) (/ 1 a))) (/ (/ 1 (- (acos a))) (/ 1 a)))
  (sqrt (/ (/ 1 (- (acos a))) (/ 1 a)))
  (sqrt (/ (/ 1 (- (acos a))) (/ 1 a)))
  (- (/ 1 (- (acos a))))
  (- (/ 1 a))
  (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))
  (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (sqrt (/ 1 a)))
  (/ (cbrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))
  (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (cbrt (/ 1 (- (acos a)))) (/ (cbrt 1) (cbrt a)))
  (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (cbrt (/ 1 (- (acos a)))) (/ (cbrt 1) (sqrt a)))
  (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (cbrt (/ 1 (- (acos a)))) (/ (cbrt 1) a))
  (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (cbrt (/ 1 (- (acos a)))) (/ (sqrt 1) (cbrt a)))
  (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (/ (sqrt 1) (sqrt a)))
  (/ (cbrt (/ 1 (- (acos a)))) (/ (sqrt 1) (sqrt a)))
  (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (/ (sqrt 1) 1))
  (/ (cbrt (/ 1 (- (acos a)))) (/ (sqrt 1) a))
  (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (cbrt (/ 1 (- (acos a)))) (/ 1 (cbrt a)))
  (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (/ 1 (sqrt a)))
  (/ (cbrt (/ 1 (- (acos a)))) (/ 1 (sqrt a)))
  (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (/ 1 1))
  (/ (cbrt (/ 1 (- (acos a)))) (/ 1 a))
  (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) 1)
  (/ (cbrt (/ 1 (- (acos a)))) (/ 1 a))
  (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) 1)
  (/ (cbrt (/ 1 (- (acos a)))) (/ 1 a))
  (/ (sqrt (/ 1 (- (acos a)))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (sqrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))
  (/ (sqrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))
  (/ (sqrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))
  (/ (sqrt (/ 1 (- (acos a)))) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (sqrt (/ 1 (- (acos a)))) (/ (cbrt 1) (cbrt a)))
  (/ (sqrt (/ 1 (- (acos a)))) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (sqrt (/ 1 (- (acos a)))) (/ (cbrt 1) (sqrt a)))
  (/ (sqrt (/ 1 (- (acos a)))) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (sqrt (/ 1 (- (acos a)))) (/ (cbrt 1) a))
  (/ (sqrt (/ 1 (- (acos a)))) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (sqrt (/ 1 (- (acos a)))) (/ (sqrt 1) (cbrt a)))
  (/ (sqrt (/ 1 (- (acos a)))) (/ (sqrt 1) (sqrt a)))
  (/ (sqrt (/ 1 (- (acos a)))) (/ (sqrt 1) (sqrt a)))
  (/ (sqrt (/ 1 (- (acos a)))) (/ (sqrt 1) 1))
  (/ (sqrt (/ 1 (- (acos a)))) (/ (sqrt 1) a))
  (/ (sqrt (/ 1 (- (acos a)))) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (sqrt (/ 1 (- (acos a)))) (/ 1 (cbrt a)))
  (/ (sqrt (/ 1 (- (acos a)))) (/ 1 (sqrt a)))
  (/ (sqrt (/ 1 (- (acos a)))) (/ 1 (sqrt a)))
  (/ (sqrt (/ 1 (- (acos a)))) (/ 1 1))
  (/ (sqrt (/ 1 (- (acos a)))) (/ 1 a))
  (/ (sqrt (/ 1 (- (acos a)))) 1)
  (/ (sqrt (/ 1 (- (acos a)))) (/ 1 a))
  (/ (sqrt (/ 1 (- (acos a)))) 1)
  (/ (sqrt (/ 1 (- (acos a)))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (cbrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (sqrt (/ 1 a)))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (sqrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ (cbrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ (cbrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ (cbrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ (sqrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ (sqrt 1) (sqrt a)))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ (sqrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ (sqrt 1) 1))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ (sqrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ 1 (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ 1 (sqrt a)))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ 1 (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ 1 1))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) 1)
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) 1)
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (cbrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (sqrt (/ 1 a)))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (sqrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ (cbrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ (cbrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ (cbrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ (sqrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ (sqrt 1) (sqrt a)))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ (sqrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ (sqrt 1) 1))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ (sqrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ 1 (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ 1 (sqrt a)))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ 1 (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ 1 1))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) 1)
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) 1)
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ (cbrt 1) (- (acos a))) (cbrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (sqrt (/ 1 a)))
  (/ (/ (cbrt 1) (- (acos a))) (sqrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (- (acos a))) (/ (cbrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ (cbrt 1) (- (acos a))) (/ (cbrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ (cbrt 1) (- (acos a))) (/ (cbrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (- (acos a))) (/ (sqrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ (sqrt 1) (sqrt a)))
  (/ (/ (cbrt 1) (- (acos a))) (/ (sqrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ (sqrt 1) 1))
  (/ (/ (cbrt 1) (- (acos a))) (/ (sqrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (- (acos a))) (/ 1 (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ 1 (sqrt a)))
  (/ (/ (cbrt 1) (- (acos a))) (/ 1 (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ 1 1))
  (/ (/ (cbrt 1) (- (acos a))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) 1)
  (/ (/ (cbrt 1) (- (acos a))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) 1)
  (/ (/ (cbrt 1) (- (acos a))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ (cbrt 1) (acos a)) (cbrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (sqrt (/ 1 a)))
  (/ (/ (cbrt 1) (acos a)) (sqrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (acos a)) (/ (cbrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ (cbrt 1) (acos a)) (/ (cbrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ (cbrt 1) (acos a)) (/ (cbrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (acos a)) (/ (sqrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ (sqrt 1) (sqrt a)))
  (/ (/ (cbrt 1) (acos a)) (/ (sqrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ (sqrt 1) 1))
  (/ (/ (cbrt 1) (acos a)) (/ (sqrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (acos a)) (/ 1 (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ 1 (sqrt a)))
  (/ (/ (cbrt 1) (acos a)) (/ 1 (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ 1 1))
  (/ (/ (cbrt 1) (acos a)) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) 1)
  (/ (/ (cbrt 1) (acos a)) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) 1)
  (/ (/ (cbrt 1) (acos a)) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ (cbrt 1) (cbrt (acos a))) (cbrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (sqrt (/ 1 a)))
  (/ (/ (cbrt 1) (cbrt (acos a))) (sqrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (cbrt (acos a))) (/ (cbrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ (cbrt 1) (cbrt (acos a))) (/ (cbrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ (cbrt 1) (cbrt (acos a))) (/ (cbrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (cbrt (acos a))) (/ (sqrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (/ (sqrt 1) (sqrt a)))
  (/ (/ (cbrt 1) (cbrt (acos a))) (/ (sqrt 1) (sqrt a)))
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  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (cbrt (acos a)))) (/ (sqrt 1) (cbrt a)))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (/ (sqrt 1) (sqrt a)))
  (/ (/ 1 (- (cbrt (acos a)))) (/ (sqrt 1) (sqrt a)))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (/ (sqrt 1) 1))
  (/ (/ 1 (- (cbrt (acos a)))) (/ (sqrt 1) a))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (cbrt (acos a)))) (/ 1 (cbrt a)))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (/ 1 (sqrt a)))
  (/ (/ 1 (- (cbrt (acos a)))) (/ 1 (sqrt a)))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (/ 1 1))
  (/ (/ 1 (- (cbrt (acos a)))) (/ 1 a))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) 1)
  (/ (/ 1 (- (cbrt (acos a)))) (/ 1 a))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) 1)
  (/ (/ 1 (- (cbrt (acos a)))) (/ 1 a))
  (/ (/ 1 (sqrt (acos a))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (- (sqrt (acos a)))) (cbrt (/ 1 a)))
  (/ (/ 1 (sqrt (acos a))) (sqrt (/ 1 a)))
  (/ (/ 1 (- (sqrt (acos a)))) (sqrt (/ 1 a)))
  (/ (/ 1 (sqrt (acos a))) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (sqrt (acos a)))) (/ (cbrt 1) (cbrt a)))
  (/ (/ 1 (sqrt (acos a))) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ 1 (- (sqrt (acos a)))) (/ (cbrt 1) (sqrt a)))
  (/ (/ 1 (sqrt (acos a))) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ 1 (- (sqrt (acos a)))) (/ (cbrt 1) a))
  (/ (/ 1 (sqrt (acos a))) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (sqrt (acos a)))) (/ (sqrt 1) (cbrt a)))
  (/ (/ 1 (sqrt (acos a))) (/ (sqrt 1) (sqrt a)))
  (/ (/ 1 (- (sqrt (acos a)))) (/ (sqrt 1) (sqrt a)))
  (/ (/ 1 (sqrt (acos a))) (/ (sqrt 1) 1))
  (/ (/ 1 (- (sqrt (acos a)))) (/ (sqrt 1) a))
  (/ (/ 1 (sqrt (acos a))) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (sqrt (acos a)))) (/ 1 (cbrt a)))
  (/ (/ 1 (sqrt (acos a))) (/ 1 (sqrt a)))
  (/ (/ 1 (- (sqrt (acos a)))) (/ 1 (sqrt a)))
  (/ (/ 1 (sqrt (acos a))) (/ 1 1))
  (/ (/ 1 (- (sqrt (acos a)))) (/ 1 a))
  (/ (/ 1 (sqrt (acos a))) 1)
  (/ (/ 1 (- (sqrt (acos a)))) (/ 1 a))
  (/ (/ 1 (sqrt (acos a))) 1)
  (/ (/ 1 (- (sqrt (acos a)))) (/ 1 a))
  (/ (/ 1 1) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))
  (/ (/ 1 1) (sqrt (/ 1 a)))
  (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))
  (/ (/ 1 1) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (acos a))) (/ (cbrt 1) (cbrt a)))
  (/ (/ 1 1) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ 1 (- (acos a))) (/ (cbrt 1) (sqrt a)))
  (/ (/ 1 1) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ 1 (- (acos a))) (/ (cbrt 1) a))
  (/ (/ 1 1) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (acos a))) (/ (sqrt 1) (cbrt a)))
  (/ (/ 1 1) (/ (sqrt 1) (sqrt a)))
  (/ (/ 1 (- (acos a))) (/ (sqrt 1) (sqrt a)))
  (/ (/ 1 1) (/ (sqrt 1) 1))
  (/ (/ 1 (- (acos a))) (/ (sqrt 1) a))
  (/ (/ 1 1) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (acos a))) (/ 1 (cbrt a)))
  (/ (/ 1 1) (/ 1 (sqrt a)))
  (/ (/ 1 (- (acos a))) (/ 1 (sqrt a)))
  (/ (/ 1 1) (/ 1 1))
  (/ (/ 1 (- (acos a))) (/ 1 a))
  (/ (/ 1 1) 1)
  (/ (/ 1 (- (acos a))) (/ 1 a))
  (/ (/ 1 1) 1)
  (/ (/ 1 (- (acos a))) (/ 1 a))
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))
  (/ 1 (sqrt (/ 1 a)))
  (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))
  (/ 1 (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (acos a))) (/ (cbrt 1) (cbrt a)))
  (/ 1 (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ 1 (- (acos a))) (/ (cbrt 1) (sqrt a)))
  (/ 1 (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ 1 (- (acos a))) (/ (cbrt 1) a))
  (/ 1 (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (acos a))) (/ (sqrt 1) (cbrt a)))
  (/ 1 (/ (sqrt 1) (sqrt a)))
  (/ (/ 1 (- (acos a))) (/ (sqrt 1) (sqrt a)))
  (/ 1 (/ (sqrt 1) 1))
  (/ (/ 1 (- (acos a))) (/ (sqrt 1) a))
  (/ 1 (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (acos a))) (/ 1 (cbrt a)))
  (/ 1 (/ 1 (sqrt a)))
  (/ (/ 1 (- (acos a))) (/ 1 (sqrt a)))
  (/ 1 (/ 1 1))
  (/ (/ 1 (- (acos a))) (/ 1 a))
  (/ 1 1)
  (/ (/ 1 (- (acos a))) (/ 1 a))
  (/ 1 1)
  (/ (/ 1 (- (acos a))) (/ 1 a))
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))
  (/ 1 (sqrt (/ 1 a)))
  (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))
  (/ 1 (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (acos a))) (/ (cbrt 1) (cbrt a)))
  (/ 1 (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ 1 (- (acos a))) (/ (cbrt 1) (sqrt a)))
  (/ 1 (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ 1 (- (acos a))) (/ (cbrt 1) a))
  (/ 1 (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (acos a))) (/ (sqrt 1) (cbrt a)))
  (/ 1 (/ (sqrt 1) (sqrt a)))
  (/ (/ 1 (- (acos a))) (/ (sqrt 1) (sqrt a)))
  (/ 1 (/ (sqrt 1) 1))
  (/ (/ 1 (- (acos a))) (/ (sqrt 1) a))
  (/ 1 (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (acos a))) (/ 1 (cbrt a)))
  (/ 1 (/ 1 (sqrt a)))
  (/ (/ 1 (- (acos a))) (/ 1 (sqrt a)))
  (/ 1 (/ 1 1))
  (/ (/ 1 (- (acos a))) (/ 1 a))
  (/ 1 1)
  (/ (/ 1 (- (acos a))) (/ 1 a))
  (/ 1 1)
  (/ (/ 1 (- (acos a))) (/ 1 a))
  (/ 1 (/ 1 a))
  (/ (/ 1 a) (/ 1 (- (acos a))))
  (/ (/ 1 (- (acos a))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))
  (/ (/ 1 (- (acos a))) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (acos a))) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ 1 (- (acos a))) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ 1 (- (acos a))) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (acos a))) (/ (sqrt 1) (sqrt a)))
  (/ (/ 1 (- (acos a))) (/ (sqrt 1) 1))
  (/ (/ 1 (- (acos a))) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (acos a))) (/ 1 (sqrt a)))
  (/ (/ 1 (- (acos a))) (/ 1 1))
  (/ (/ 1 (- (acos a))) 1)
  (/ (/ 1 (- (acos a))) 1)
  (/ (/ 1 a) (cbrt (/ 1 (- (acos a)))))
  (/ (/ 1 a) (sqrt (/ 1 (- (acos a)))))
  (/ (/ 1 a) (/ (cbrt 1) (cbrt (- (acos a)))))
  (/ (/ 1 a) (/ (cbrt 1) (sqrt (- (acos a)))))
  (/ (/ 1 a) (/ (cbrt 1) (- (acos a))))
  (/ (/ 1 a) (/ (cbrt 1) (acos a)))
  (/ (/ 1 a) (/ (cbrt 1) (cbrt (acos a))))
  (/ (/ 1 a) (/ (cbrt 1) (sqrt (acos a))))
  (/ (/ 1 a) (/ (cbrt 1) (acos a)))
  (/ (/ 1 a) (/ (cbrt 1) (- (cbrt (acos a)))))
  (/ (/ 1 a) (/ (cbrt 1) (- (sqrt (acos a)))))
  (/ (/ 1 a) (/ (cbrt 1) (- (acos a))))
  (/ (/ 1 a) (/ (sqrt 1) (cbrt (- (acos a)))))
  (/ (/ 1 a) (/ (sqrt 1) (sqrt (- (acos a)))))
  (/ (/ 1 a) (/ (sqrt 1) (- (acos a))))
  (/ (/ 1 a) (/ (sqrt 1) (acos a)))
  (/ (/ 1 a) (/ (sqrt 1) (cbrt (acos a))))
  (/ (/ 1 a) (/ (sqrt 1) (sqrt (acos a))))
  (/ (/ 1 a) (/ (sqrt 1) (acos a)))
  (/ (/ 1 a) (/ (sqrt 1) (- (cbrt (acos a)))))
  (/ (/ 1 a) (/ (sqrt 1) (- (sqrt (acos a)))))
  (/ (/ 1 a) (/ (sqrt 1) (- (acos a))))
  (/ (/ 1 a) (/ 1 (cbrt (- (acos a)))))
  (/ (/ 1 a) (/ 1 (sqrt (- (acos a)))))
  (/ (/ 1 a) (/ 1 (- (acos a))))
  (/ (/ 1 a) (/ 1 (acos a)))
  (/ (/ 1 a) (/ 1 (cbrt (acos a))))
  (/ (/ 1 a) (/ 1 (sqrt (acos a))))
  (/ (/ 1 a) (/ 1 (acos a)))
  (/ (/ 1 a) (/ 1 (- (cbrt (acos a)))))
  (/ (/ 1 a) (/ 1 (- (sqrt (acos a)))))
  (/ (/ 1 a) (/ 1 (- (acos a))))
  (/ (/ 1 a) (/ 1 (- (acos a))))
  (/ (/ 1 a) (/ 1 (- (acos a))))
  (/ (/ 1 (- (acos a))) 1)
  (* (/ 1 a) (- (acos a)))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
4.184 * * [simplify]: iteration 0: 801 enodes
5.617 * * [simplify]: iteration 1: 2876 enodes
6.065 * * [simplify]: iteration complete: 5000 enodes
6.065 * * [simplify]: Extracting #0: cost 119 inf + 0
6.067 * * [simplify]: Extracting #1: cost 900 inf + 45
6.072 * * [simplify]: Extracting #2: cost 997 inf + 18157
6.085 * * [simplify]: Extracting #3: cost 636 inf + 112992
6.119 * * [simplify]: Extracting #4: cost 240 inf + 228463
6.166 * * [simplify]: Extracting #5: cost 18 inf + 291734
6.219 * * [simplify]: Extracting #6: cost 0 inf + 298150
6.267 * [simplify]: Simplified to:
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (exp (/ 1 (/ (- (acos a)) a)))
  (* (/ (/ 1 (* (acos a) (acos a))) (- (acos a))) (* a (* a a)))
  (/ (/ (/ 1 (* (acos a) (acos a))) (- (acos a))) (* (* (/ 1 a) (/ 1 a)) (/ 1 a)))
  (* (* (/ 1 (- (acos a))) (* (/ 1 (- (acos a))) (/ 1 (- (acos a))))) (* a (* a a)))
  (* (* (/ (/ 1 (- (acos a))) (/ 1 a)) (/ (/ 1 (- (acos a))) (/ 1 a))) (/ (/ 1 (- (acos a))) (/ 1 a)))
  (* (cbrt (/ 1 (/ (- (acos a)) a))) (cbrt (/ 1 (/ (- (acos a)) a))))
  (cbrt (/ 1 (/ (- (acos a)) a)))
  (* (/ 1 (/ (- (acos a)) a)) (* (/ 1 (/ (- (acos a)) a)) (/ 1 (/ (- (acos a)) a))))
  (sqrt (/ 1 (/ (- (acos a)) a)))
  (sqrt (/ 1 (/ (- (acos a)) a)))
  (/ -1 (- (acos a)))
  (/ -1 a)
  (* (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a))))
  (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))
  (/ (cbrt (/ 1 (- (acos a)))) (/ (sqrt (/ 1 a)) (cbrt (/ 1 (- (acos a))))))
  (/ (cbrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))
  (* (* (cbrt (/ 1 (- (acos a)))) (cbrt a)) (* (cbrt (/ 1 (- (acos a)))) (cbrt a)))
  (* (cbrt (/ 1 (- (acos a)))) (cbrt a))
  (* (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (sqrt a))
  (* (cbrt (/ 1 (- (acos a)))) (sqrt a))
  (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
  (* (cbrt (/ 1 (- (acos a)))) a)
  (* (* (cbrt (/ 1 (- (acos a)))) (cbrt a)) (* (cbrt (/ 1 (- (acos a)))) (cbrt a)))
  (* (cbrt (/ 1 (- (acos a)))) (cbrt a))
  (* (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (sqrt a))
  (* (cbrt (/ 1 (- (acos a)))) (sqrt a))
  (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
  (* (cbrt (/ 1 (- (acos a)))) a)
  (* (* (cbrt (/ 1 (- (acos a)))) (cbrt a)) (* (cbrt (/ 1 (- (acos a)))) (cbrt a)))
  (* (cbrt (/ 1 (- (acos a)))) (cbrt a))
  (* (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (sqrt a))
  (* (cbrt (/ 1 (- (acos a)))) (sqrt a))
  (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
  (* (cbrt (/ 1 (- (acos a)))) a)
  (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
  (* (cbrt (/ 1 (- (acos a)))) a)
  (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
  (* (cbrt (/ 1 (- (acos a)))) a)
  (/ (/ (sqrt (/ 1 (- (acos a)))) (cbrt (/ 1 a))) (cbrt (/ 1 a)))
  (/ (sqrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))
  (/ (sqrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))
  (/ (sqrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))
  (* (* (sqrt (/ 1 (- (acos a)))) (cbrt a)) (cbrt a))
  (* (sqrt (/ 1 (- (acos a)))) (cbrt a))
  (* (sqrt (/ 1 (- (acos a)))) (sqrt a))
  (* (sqrt (/ 1 (- (acos a)))) (sqrt a))
  (sqrt (/ 1 (- (acos a))))
  (* (sqrt (/ 1 (- (acos a)))) a)
  (* (* (sqrt (/ 1 (- (acos a)))) (cbrt a)) (cbrt a))
  (* (sqrt (/ 1 (- (acos a)))) (cbrt a))
  (* (sqrt (/ 1 (- (acos a)))) (sqrt a))
  (* (sqrt (/ 1 (- (acos a)))) (sqrt a))
  (sqrt (/ 1 (- (acos a))))
  (* (sqrt (/ 1 (- (acos a)))) a)
  (* (* (sqrt (/ 1 (- (acos a)))) (cbrt a)) (cbrt a))
  (* (sqrt (/ 1 (- (acos a)))) (cbrt a))
  (* (sqrt (/ 1 (- (acos a)))) (sqrt a))
  (* (sqrt (/ 1 (- (acos a)))) (sqrt a))
  (sqrt (/ 1 (- (acos a))))
  (* (sqrt (/ 1 (- (acos a)))) a)
  (sqrt (/ 1 (- (acos a))))
  (* (sqrt (/ 1 (- (acos a)))) a)
  (sqrt (/ 1 (- (acos a))))
  (* (sqrt (/ 1 (- (acos a)))) a)
  (* (/ 1 (* (cbrt (/ 1 a)) (cbrt (- (acos a))))) (/ 1 (* (cbrt (/ 1 a)) (cbrt (- (acos a))))))
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (- (acos a)))))
  (/ 1 (* (* (sqrt (/ 1 a)) (cbrt (- (acos a)))) (cbrt (- (acos a)))))
  (/ 1 (* (sqrt (/ 1 a)) (cbrt (- (acos a)))))
  (* (* (/ 1 (cbrt (- (acos a)))) (cbrt a)) (* (/ 1 (cbrt (- (acos a)))) (cbrt a)))
  (* (/ 1 (cbrt (- (acos a)))) (cbrt a))
  (* (/ 1 (cbrt (- (acos a)))) (* (/ 1 (cbrt (- (acos a)))) (sqrt a)))
  (* (/ 1 (cbrt (- (acos a)))) (sqrt a))
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (* (/ 1 (cbrt (- (acos a)))) a)
  (* (* (/ 1 (cbrt (- (acos a)))) (cbrt a)) (* (/ 1 (cbrt (- (acos a)))) (cbrt a)))
  (* (/ 1 (cbrt (- (acos a)))) (cbrt a))
  (* (/ 1 (cbrt (- (acos a)))) (* (/ 1 (cbrt (- (acos a)))) (sqrt a)))
  (* (/ 1 (cbrt (- (acos a)))) (sqrt a))
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (* (/ 1 (cbrt (- (acos a)))) a)
  (* (* (/ 1 (cbrt (- (acos a)))) (cbrt a)) (* (/ 1 (cbrt (- (acos a)))) (cbrt a)))
  (* (/ 1 (cbrt (- (acos a)))) (cbrt a))
  (* (/ 1 (cbrt (- (acos a)))) (* (/ 1 (cbrt (- (acos a)))) (sqrt a)))
  (* (/ 1 (cbrt (- (acos a)))) (sqrt a))
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (* (/ 1 (cbrt (- (acos a)))) a)
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (* (/ 1 (cbrt (- (acos a)))) a)
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (* (/ 1 (cbrt (- (acos a)))) a)
  (/ (/ 1 (* (cbrt (/ 1 a)) (sqrt (- (acos a))))) (cbrt (/ 1 a)))
  (/ 1 (* (cbrt (/ 1 a)) (sqrt (- (acos a)))))
  (/ 1 (* (sqrt (/ 1 a)) (sqrt (- (acos a)))))
  (/ 1 (* (sqrt (/ 1 a)) (sqrt (- (acos a)))))
  (* (/ 1 (sqrt (- (acos a)))) (* (cbrt a) (cbrt a)))
  (* (/ 1 (sqrt (- (acos a)))) (cbrt a))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (/ 1 (sqrt (- (acos a))))
  (* (/ 1 (sqrt (- (acos a)))) a)
  (* (/ 1 (sqrt (- (acos a)))) (* (cbrt a) (cbrt a)))
  (* (/ 1 (sqrt (- (acos a)))) (cbrt a))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (/ 1 (sqrt (- (acos a))))
  (* (/ 1 (sqrt (- (acos a)))) a)
  (* (/ 1 (sqrt (- (acos a)))) (* (cbrt a) (cbrt a)))
  (* (/ 1 (sqrt (- (acos a)))) (cbrt a))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (/ 1 (sqrt (- (acos a))))
  (* (/ 1 (sqrt (- (acos a)))) a)
  (/ 1 (sqrt (- (acos a))))
  (* (/ 1 (sqrt (- (acos a)))) a)
  (/ 1 (sqrt (- (acos a))))
  (* (/ 1 (sqrt (- (acos a)))) a)
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ 1 (- (* (cbrt (/ 1 a)) (acos a))))
  (/ 1 (sqrt (/ 1 a)))
  (/ 1 (* (sqrt (/ 1 a)) (- (acos a))))
  (* (cbrt a) (cbrt a))
  (* (/ 1 (- (acos a))) (cbrt a))
  (sqrt a)
  (* (/ 1 (- (acos a))) (sqrt a))
  1
  (/ 1 (/ (- (acos a)) a))
  (* (cbrt a) (cbrt a))
  (* (/ 1 (- (acos a))) (cbrt a))
  (sqrt a)
  (* (/ 1 (- (acos a))) (sqrt a))
  1
  (/ 1 (/ (- (acos a)) a))
  (* (cbrt a) (cbrt a))
  (* (/ 1 (- (acos a))) (cbrt a))
  (sqrt a)
  (* (/ 1 (- (acos a))) (sqrt a))
  1
  (/ 1 (/ (- (acos a)) a))
  1
  (/ 1 (/ (- (acos a)) a))
  1
  (/ 1 (/ (- (acos a)) a))
  (/ (/ -1 (cbrt (/ 1 a))) (cbrt (/ 1 a)))
  (/ (/ 1 (acos a)) (cbrt (/ 1 a)))
  (/ -1 (sqrt (/ 1 a)))
  (/ (/ 1 (acos a)) (sqrt (/ 1 a)))
  (- (* (cbrt a) (cbrt a)))
  (* (/ 1 (acos a)) (cbrt a))
  (- (sqrt a))
  (* (/ 1 (acos a)) (sqrt a))
  -1
  (* (/ 1 (acos a)) a)
  (- (* (cbrt a) (cbrt a)))
  (* (/ 1 (acos a)) (cbrt a))
  (- (sqrt a))
  (* (/ 1 (acos a)) (sqrt a))
  -1
  (* (/ 1 (acos a)) a)
  (- (* (cbrt a) (cbrt a)))
  (* (/ 1 (acos a)) (cbrt a))
  (- (sqrt a))
  (* (/ 1 (acos a)) (sqrt a))
  -1
  (* (/ 1 (acos a)) a)
  -1
  (* (/ 1 (acos a)) a)
  -1
  (* (/ 1 (acos a)) a)
  (/ (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (cbrt (acos a))) (cbrt (/ 1 a)))
  (/ (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (sqrt (/ 1 a)))
  (/ (/ 1 (cbrt (acos a))) (sqrt (/ 1 a)))
  (* (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (* (cbrt a) (cbrt a)))
  (* (/ 1 (cbrt (acos a))) (cbrt a))
  (* (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (sqrt a))
  (* (/ 1 (cbrt (acos a))) (sqrt a))
  (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (* (/ 1 (cbrt (acos a))) a)
  (* (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (* (cbrt a) (cbrt a)))
  (* (/ 1 (cbrt (acos a))) (cbrt a))
  (* (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (sqrt a))
  (* (/ 1 (cbrt (acos a))) (sqrt a))
  (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (* (/ 1 (cbrt (acos a))) a)
  (* (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (* (cbrt a) (cbrt a)))
  (* (/ 1 (cbrt (acos a))) (cbrt a))
  (* (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (sqrt a))
  (* (/ 1 (cbrt (acos a))) (sqrt a))
  (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (* (/ 1 (cbrt (acos a))) a)
  (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (* (/ 1 (cbrt (acos a))) a)
  (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a)))))
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  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (/ 1 (sqrt (- (acos a))))
  (* (/ 1 (sqrt (- (acos a)))) a)
  (/ 1 (sqrt (- (acos a))))
  (* (/ 1 (sqrt (- (acos a)))) a)
  (/ 1 (sqrt (- (acos a))))
  (* (/ 1 (sqrt (- (acos a)))) a)
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ 1 (- (* (cbrt (/ 1 a)) (acos a))))
  (/ 1 (sqrt (/ 1 a)))
  (/ 1 (* (sqrt (/ 1 a)) (- (acos a))))
  (* (cbrt a) (cbrt a))
  (* (/ 1 (- (acos a))) (cbrt a))
  (sqrt a)
  (* (/ 1 (- (acos a))) (sqrt a))
  1
  (/ 1 (/ (- (acos a)) a))
  (* (cbrt a) (cbrt a))
  (* (/ 1 (- (acos a))) (cbrt a))
  (sqrt a)
  (* (/ 1 (- (acos a))) (sqrt a))
  1
  (/ 1 (/ (- (acos a)) a))
  (* (cbrt a) (cbrt a))
  (* (/ 1 (- (acos a))) (cbrt a))
  (sqrt a)
  (* (/ 1 (- (acos a))) (sqrt a))
  1
  (/ 1 (/ (- (acos a)) a))
  1
  (/ 1 (/ (- (acos a)) a))
  1
  (/ 1 (/ (- (acos a)) a))
  (/ (/ -1 (cbrt (/ 1 a))) (cbrt (/ 1 a)))
  (/ (/ 1 (acos a)) (cbrt (/ 1 a)))
  (/ -1 (sqrt (/ 1 a)))
  (/ (/ 1 (acos a)) (sqrt (/ 1 a)))
  (- (* (cbrt a) (cbrt a)))
  (* (/ 1 (acos a)) (cbrt a))
  (- (sqrt a))
  (* (/ 1 (acos a)) (sqrt a))
  -1
  (* (/ 1 (acos a)) a)
  (- (* (cbrt a) (cbrt a)))
  (* (/ 1 (acos a)) (cbrt a))
  (- (sqrt a))
  (* (/ 1 (acos a)) (sqrt a))
  -1
  (* (/ 1 (acos a)) a)
  (- (* (cbrt a) (cbrt a)))
  (* (/ 1 (acos a)) (cbrt a))
  (- (sqrt a))
  (* (/ 1 (acos a)) (sqrt a))
  -1
  (* (/ 1 (acos a)) a)
  -1
  (* (/ 1 (acos a)) a)
  -1
  (* (/ 1 (acos a)) a)
  (/ (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (cbrt (acos a))) (cbrt (/ 1 a)))
  (/ (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (sqrt (/ 1 a)))
  (/ (/ 1 (cbrt (acos a))) (sqrt (/ 1 a)))
  (* (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (* (cbrt a) (cbrt a)))
  (* (/ 1 (cbrt (acos a))) (cbrt a))
  (* (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (sqrt a))
  (* (/ 1 (cbrt (acos a))) (sqrt a))
  (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (* (/ 1 (cbrt (acos a))) a)
  (* (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (* (cbrt a) (cbrt a)))
  (* (/ 1 (cbrt (acos a))) (cbrt a))
  (* (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (sqrt a))
  (* (/ 1 (cbrt (acos a))) (sqrt a))
  (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (* (/ 1 (cbrt (acos a))) a)
  (* (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (* (cbrt a) (cbrt a)))
  (* (/ 1 (cbrt (acos a))) (cbrt a))
  (* (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (sqrt a))
  (* (/ 1 (cbrt (acos a))) (sqrt a))
  (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (* (/ 1 (cbrt (acos a))) a)
  (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (* (/ 1 (cbrt (acos a))) a)
  (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (* (/ 1 (cbrt (acos a))) a)
  (/ (/ 1 (- (sqrt (acos a)))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (sqrt (acos a))) (cbrt (/ 1 a)))
  (/ 1 (- (* (sqrt (/ 1 a)) (sqrt (acos a)))))
  (/ (/ 1 (sqrt (acos a))) (sqrt (/ 1 a)))
  (* (* (/ 1 (- (sqrt (acos a)))) (cbrt a)) (cbrt a))
  (* (/ 1 (sqrt (acos a))) (cbrt a))
  (* (/ 1 (- (sqrt (acos a)))) (sqrt a))
  (* (/ 1 (sqrt (acos a))) (sqrt a))
  (/ 1 (- (sqrt (acos a))))
  (* (/ 1 (sqrt (acos a))) a)
  (* (* (/ 1 (- (sqrt (acos a)))) (cbrt a)) (cbrt a))
  (* (/ 1 (sqrt (acos a))) (cbrt a))
  (* (/ 1 (- (sqrt (acos a)))) (sqrt a))
  (* (/ 1 (sqrt (acos a))) (sqrt a))
  (/ 1 (- (sqrt (acos a))))
  (* (/ 1 (sqrt (acos a))) a)
  (* (* (/ 1 (- (sqrt (acos a)))) (cbrt a)) (cbrt a))
  (* (/ 1 (sqrt (acos a))) (cbrt a))
  (* (/ 1 (- (sqrt (acos a)))) (sqrt a))
  (* (/ 1 (sqrt (acos a))) (sqrt a))
  (/ 1 (- (sqrt (acos a))))
  (* (/ 1 (sqrt (acos a))) a)
  (/ 1 (- (sqrt (acos a))))
  (* (/ 1 (sqrt (acos a))) a)
  (/ 1 (- (sqrt (acos a))))
  (* (/ 1 (sqrt (acos a))) a)
  (/ (/ -1 (cbrt (/ 1 a))) (cbrt (/ 1 a)))
  (/ (/ 1 (acos a)) (cbrt (/ 1 a)))
  (/ -1 (sqrt (/ 1 a)))
  (/ (/ 1 (acos a)) (sqrt (/ 1 a)))
  (- (* (cbrt a) (cbrt a)))
  (* (/ 1 (acos a)) (cbrt a))
  (- (sqrt a))
  (* (/ 1 (acos a)) (sqrt a))
  -1
  (* (/ 1 (acos a)) a)
  (- (* (cbrt a) (cbrt a)))
  (* (/ 1 (acos a)) (cbrt a))
  (- (sqrt a))
  (* (/ 1 (acos a)) (sqrt a))
  -1
  (* (/ 1 (acos a)) a)
  (- (* (cbrt a) (cbrt a)))
  (* (/ 1 (acos a)) (cbrt a))
  (- (sqrt a))
  (* (/ 1 (acos a)) (sqrt a))
  -1
  (* (/ 1 (acos a)) a)
  -1
  (* (/ 1 (acos a)) a)
  -1
  (* (/ 1 (acos a)) a)
  (* (/ (/ 1 (cbrt (acos a))) (cbrt (/ 1 a))) (/ (/ 1 (cbrt (acos a))) (cbrt (/ 1 a))))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (/ 1 a)))
  (/ 1 (* (sqrt (/ 1 a)) (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (/ 1 (- (cbrt (acos a)))) (sqrt (/ 1 a)))
  (* (* (/ 1 (cbrt (acos a))) (cbrt a)) (* (/ 1 (cbrt (acos a))) (cbrt a)))
  (* (/ 1 (- (cbrt (acos a)))) (cbrt a))
  (* (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (sqrt a))
  (* (/ 1 (- (cbrt (acos a)))) (sqrt a))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (* (/ 1 (- (cbrt (acos a)))) a)
  (* (* (/ 1 (cbrt (acos a))) (cbrt a)) (* (/ 1 (cbrt (acos a))) (cbrt a)))
  (* (/ 1 (- (cbrt (acos a)))) (cbrt a))
  (* (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (sqrt a))
  (* (/ 1 (- (cbrt (acos a)))) (sqrt a))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (* (/ 1 (- (cbrt (acos a)))) a)
  (* (* (/ 1 (cbrt (acos a))) (cbrt a)) (* (/ 1 (cbrt (acos a))) (cbrt a)))
  (* (/ 1 (- (cbrt (acos a)))) (cbrt a))
  (* (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (sqrt a))
  (* (/ 1 (- (cbrt (acos a)))) (sqrt a))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (* (/ 1 (- (cbrt (acos a)))) a)
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (* (/ 1 (- (cbrt (acos a)))) a)
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (* (/ 1 (- (cbrt (acos a)))) a)
  (/ (/ 1 (sqrt (acos a))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ 1 (- (* (cbrt (/ 1 a)) (sqrt (acos a)))))
  (/ (/ 1 (sqrt (acos a))) (sqrt (/ 1 a)))
  (/ 1 (- (* (sqrt (/ 1 a)) (sqrt (acos a)))))
  (* (* (/ 1 (sqrt (acos a))) (cbrt a)) (cbrt a))
  (* (/ 1 (- (sqrt (acos a)))) (cbrt a))
  (* (/ 1 (sqrt (acos a))) (sqrt a))
  (* (/ 1 (- (sqrt (acos a)))) (sqrt a))
  (/ 1 (sqrt (acos a)))
  (* (/ 1 (- (sqrt (acos a)))) a)
  (* (* (/ 1 (sqrt (acos a))) (cbrt a)) (cbrt a))
  (* (/ 1 (- (sqrt (acos a)))) (cbrt a))
  (* (/ 1 (sqrt (acos a))) (sqrt a))
  (* (/ 1 (- (sqrt (acos a)))) (sqrt a))
  (/ 1 (sqrt (acos a)))
  (* (/ 1 (- (sqrt (acos a)))) a)
  (* (* (/ 1 (sqrt (acos a))) (cbrt a)) (cbrt a))
  (* (/ 1 (- (sqrt (acos a)))) (cbrt a))
  (* (/ 1 (sqrt (acos a))) (sqrt a))
  (* (/ 1 (- (sqrt (acos a)))) (sqrt a))
  (/ 1 (sqrt (acos a)))
  (* (/ 1 (- (sqrt (acos a)))) a)
  (/ 1 (sqrt (acos a)))
  (* (/ 1 (- (sqrt (acos a)))) a)
  (/ 1 (sqrt (acos a)))
  (* (/ 1 (- (sqrt (acos a)))) a)
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ 1 (- (* (cbrt (/ 1 a)) (acos a))))
  (/ 1 (sqrt (/ 1 a)))
  (/ 1 (* (sqrt (/ 1 a)) (- (acos a))))
  (* (cbrt a) (cbrt a))
  (* (/ 1 (- (acos a))) (cbrt a))
  (sqrt a)
  (* (/ 1 (- (acos a))) (sqrt a))
  1
  (/ 1 (/ (- (acos a)) a))
  (* (cbrt a) (cbrt a))
  (* (/ 1 (- (acos a))) (cbrt a))
  (sqrt a)
  (* (/ 1 (- (acos a))) (sqrt a))
  1
  (/ 1 (/ (- (acos a)) a))
  (* (cbrt a) (cbrt a))
  (* (/ 1 (- (acos a))) (cbrt a))
  (sqrt a)
  (* (/ 1 (- (acos a))) (sqrt a))
  1
  (/ 1 (/ (- (acos a)) a))
  1
  (/ 1 (/ (- (acos a)) a))
  1
  (/ 1 (/ (- (acos a)) a))
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ 1 (- (* (cbrt (/ 1 a)) (acos a))))
  (/ 1 (sqrt (/ 1 a)))
  (/ 1 (* (sqrt (/ 1 a)) (- (acos a))))
  (* (cbrt a) (cbrt a))
  (* (/ 1 (- (acos a))) (cbrt a))
  (sqrt a)
  (* (/ 1 (- (acos a))) (sqrt a))
  1
  (/ 1 (/ (- (acos a)) a))
  (* (cbrt a) (cbrt a))
  (* (/ 1 (- (acos a))) (cbrt a))
  (sqrt a)
  (* (/ 1 (- (acos a))) (sqrt a))
  1
  (/ 1 (/ (- (acos a)) a))
  (* (cbrt a) (cbrt a))
  (* (/ 1 (- (acos a))) (cbrt a))
  (sqrt a)
  (* (/ 1 (- (acos a))) (sqrt a))
  1
  (/ 1 (/ (- (acos a)) a))
  1
  (/ 1 (/ (- (acos a)) a))
  1
  (/ 1 (/ (- (acos a)) a))
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ 1 (- (* (cbrt (/ 1 a)) (acos a))))
  (/ 1 (sqrt (/ 1 a)))
  (/ 1 (* (sqrt (/ 1 a)) (- (acos a))))
  (* (cbrt a) (cbrt a))
  (* (/ 1 (- (acos a))) (cbrt a))
  (sqrt a)
  (* (/ 1 (- (acos a))) (sqrt a))
  1
  (/ 1 (/ (- (acos a)) a))
  (* (cbrt a) (cbrt a))
  (* (/ 1 (- (acos a))) (cbrt a))
  (sqrt a)
  (* (/ 1 (- (acos a))) (sqrt a))
  1
  (/ 1 (/ (- (acos a)) a))
  (* (cbrt a) (cbrt a))
  (* (/ 1 (- (acos a))) (cbrt a))
  (sqrt a)
  (* (/ 1 (- (acos a))) (sqrt a))
  1
  (/ 1 (/ (- (acos a)) a))
  1
  (/ 1 (/ (- (acos a)) a))
  1
  (/ 1 (/ (- (acos a)) a))
  a
  (/ (- (acos a)) a)
  (/ (/ 1 (- (* (cbrt (/ 1 a)) (acos a)))) (cbrt (/ 1 a)))
  (/ 1 (* (sqrt (/ 1 a)) (- (acos a))))
  (* (* (/ 1 (- (acos a))) (cbrt a)) (cbrt a))
  (* (/ 1 (- (acos a))) (sqrt a))
  (/ 1 (- (acos a)))
  (* (* (/ 1 (- (acos a))) (cbrt a)) (cbrt a))
  (* (/ 1 (- (acos a))) (sqrt a))
  (/ 1 (- (acos a)))
  (* (* (/ 1 (- (acos a))) (cbrt a)) (cbrt a))
  (* (/ 1 (- (acos a))) (sqrt a))
  (/ 1 (- (acos a)))
  (/ 1 (- (acos a)))
  (/ 1 (- (acos a)))
  (/ (/ 1 a) (cbrt (/ 1 (- (acos a)))))
  (/ (/ 1 a) (sqrt (/ 1 (- (acos a)))))
  (* (/ 1 a) (cbrt (- (acos a))))
  (* (/ 1 a) (sqrt (- (acos a))))
  (/ (- (acos a)) a)
  (* (/ 1 a) (acos a))
  (* (/ 1 a) (cbrt (acos a)))
  (* (/ 1 a) (sqrt (acos a)))
  (* (/ 1 a) (acos a))
  (- (* (/ 1 a) (cbrt (acos a))))
  (- (* (/ 1 a) (sqrt (acos a))))
  (/ (- (acos a)) a)
  (* (/ 1 a) (cbrt (- (acos a))))
  (* (/ 1 a) (sqrt (- (acos a))))
  (/ (- (acos a)) a)
  (* (/ 1 a) (acos a))
  (* (/ 1 a) (cbrt (acos a)))
  (* (/ 1 a) (sqrt (acos a)))
  (* (/ 1 a) (acos a))
  (- (* (/ 1 a) (cbrt (acos a))))
  (- (* (/ 1 a) (sqrt (acos a))))
  (/ (- (acos a)) a)
  (* (/ 1 a) (cbrt (- (acos a))))
  (* (/ 1 a) (sqrt (- (acos a))))
  (/ (- (acos a)) a)
  (* (/ 1 a) (acos a))
  (* (/ 1 a) (cbrt (acos a)))
  (* (/ 1 a) (sqrt (acos a)))
  (* (/ 1 a) (acos a))
  (- (* (/ 1 a) (cbrt (acos a))))
  (- (* (/ 1 a) (sqrt (acos a))))
  (/ (- (acos a)) a)
  (/ (- (acos a)) a)
  (/ (- (acos a)) a)
  (/ 1 (- (acos a)))
  (/ (- (acos a)) a)
  (- (/ a (acos a)))
  (- (/ a (acos a)))
  (- (/ a (acos a)))
6.344 * * * [progress]: adding candidates to table
7.139 * * [progress]: iteration 4 / 4
7.139 * * * [progress]: picking best candidate
7.171 * * * * [pick]: Picked  #<alt (λ (a) (/ 1 (* (- (acos a)) (/ 1 a))))>
7.171 * * * [progress]: localizing error
7.190 * * * [progress]: generating rewritten candidates
7.190 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
7.207 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
7.227 * * * [progress]: generating series expansions
7.227 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
7.227 * [backup-simplify]: Simplify (* (- (acos a)) (/ 1 a)) into (* -1 (/ (acos a) a))
7.227 * [approximate]: Taking taylor expansion of (* -1 (/ (acos a) a)) in (a) around 0
7.227 * [taylor]: Taking taylor expansion of (* -1 (/ (acos a) a)) in a
7.227 * [taylor]: Taking taylor expansion of -1 in a
7.227 * [backup-simplify]: Simplify -1 into -1
7.227 * [taylor]: Taking taylor expansion of (/ (acos a) a) in a
7.227 * [taylor]: Taking taylor expansion of (acos a) in a
7.227 * [backup-simplify]: Simplify (acos a) into (acos a)
7.227 * [taylor]: Taking taylor expansion of a in a
7.227 * [backup-simplify]: Simplify 0 into 0
7.227 * [backup-simplify]: Simplify 1 into 1
7.227 * [backup-simplify]: Simplify (/ (acos a) 1) into (acos a)
7.227 * [taylor]: Taking taylor expansion of (* -1 (/ (acos a) a)) in a
7.227 * [taylor]: Taking taylor expansion of -1 in a
7.227 * [backup-simplify]: Simplify -1 into -1
7.227 * [taylor]: Taking taylor expansion of (/ (acos a) a) in a
7.227 * [taylor]: Taking taylor expansion of (acos a) in a
7.227 * [backup-simplify]: Simplify (acos a) into (acos a)
7.227 * [taylor]: Taking taylor expansion of a in a
7.227 * [backup-simplify]: Simplify 0 into 0
7.227 * [backup-simplify]: Simplify 1 into 1
7.227 * [backup-simplify]: Simplify (/ (acos a) 1) into (acos a)
7.227 * [backup-simplify]: Simplify (* -1 (acos a)) into (* -1 (acos a))
7.227 * [backup-simplify]: Simplify (* -1 (acos a)) into (* -1 (acos a))
7.228 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)))) into 0
7.229 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (acos a))) into 0
7.229 * [backup-simplify]: Simplify 0 into 0
7.229 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.230 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (acos a)))) into 0
7.230 * [backup-simplify]: Simplify 0 into 0
7.231 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.232 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a))))) into 0
7.232 * [backup-simplify]: Simplify 0 into 0
7.233 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.234 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a)))))) into 0
7.234 * [backup-simplify]: Simplify 0 into 0
7.237 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.238 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a))))))) into 0
7.242 * [backup-simplify]: Simplify 0 into 0
7.244 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
7.246 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a)))))))) into 0
7.246 * [backup-simplify]: Simplify 0 into 0
7.246 * [backup-simplify]: Simplify (* (* -1 (acos a)) (/ 1 a)) into (* -1 (/ (acos a) a))
7.246 * [backup-simplify]: Simplify (* (- (acos (/ 1 a))) (/ 1 (/ 1 a))) into (* -1 (* a (acos (/ 1 a))))
7.246 * [approximate]: Taking taylor expansion of (* -1 (* a (acos (/ 1 a)))) in (a) around 0
7.246 * [taylor]: Taking taylor expansion of (* -1 (* a (acos (/ 1 a)))) in a
7.246 * [taylor]: Taking taylor expansion of -1 in a
7.246 * [backup-simplify]: Simplify -1 into -1
7.246 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
7.246 * [taylor]: Taking taylor expansion of a in a
7.246 * [backup-simplify]: Simplify 0 into 0
7.246 * [backup-simplify]: Simplify 1 into 1
7.246 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
7.246 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
7.246 * [taylor]: Taking taylor expansion of (* -1 (* a (acos (/ 1 a)))) in a
7.246 * [taylor]: Taking taylor expansion of -1 in a
7.246 * [backup-simplify]: Simplify -1 into -1
7.246 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
7.246 * [taylor]: Taking taylor expansion of a in a
7.246 * [backup-simplify]: Simplify 0 into 0
7.246 * [backup-simplify]: Simplify 1 into 1
7.246 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
7.246 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
7.246 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
7.247 * [backup-simplify]: Simplify (* -1 0) into 0
7.247 * [backup-simplify]: Simplify 0 into 0
7.247 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
7.247 * [backup-simplify]: Simplify (+ (* -1 (acos (/ 1 a))) (* 0 0)) into (- (acos (/ 1 a)))
7.247 * [backup-simplify]: Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
7.248 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ 1 a))))) into 0
7.248 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 (acos (/ 1 a))) (* 0 0))) into 0
7.248 * [backup-simplify]: Simplify 0 into 0
7.249 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))) into 0
7.250 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0)))) into 0
7.250 * [backup-simplify]: Simplify 0 into 0
7.251 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))) into 0
7.252 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0))))) into 0
7.252 * [backup-simplify]: Simplify 0 into 0
7.253 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))) into 0
7.254 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0)))))) into 0
7.254 * [backup-simplify]: Simplify 0 into 0
7.256 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))))) into 0
7.257 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0))))))) into 0
7.257 * [backup-simplify]: Simplify 0 into 0
7.259 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))))) into 0
7.260 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0)))))))) into 0
7.260 * [backup-simplify]: Simplify 0 into 0
7.260 * [backup-simplify]: Simplify (* (- (acos (/ 1 (/ 1 a)))) (/ 1 a)) into (* -1 (/ (acos a) a))
7.260 * [backup-simplify]: Simplify (* (- (acos (/ 1 (- a)))) (/ 1 (/ 1 (- a)))) into (* a (acos (/ -1 a)))
7.260 * [approximate]: Taking taylor expansion of (* a (acos (/ -1 a))) in (a) around 0
7.260 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
7.261 * [taylor]: Taking taylor expansion of a in a
7.261 * [backup-simplify]: Simplify 0 into 0
7.261 * [backup-simplify]: Simplify 1 into 1
7.261 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
7.261 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
7.261 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
7.261 * [taylor]: Taking taylor expansion of a in a
7.261 * [backup-simplify]: Simplify 0 into 0
7.261 * [backup-simplify]: Simplify 1 into 1
7.261 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
7.261 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
7.261 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
7.261 * [backup-simplify]: Simplify 0 into 0
7.261 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
7.261 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
7.262 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
7.262 * [backup-simplify]: Simplify 0 into 0
7.263 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
7.263 * [backup-simplify]: Simplify 0 into 0
7.264 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
7.264 * [backup-simplify]: Simplify 0 into 0
7.265 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
7.265 * [backup-simplify]: Simplify 0 into 0
7.267 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
7.267 * [backup-simplify]: Simplify 0 into 0
7.269 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
7.269 * [backup-simplify]: Simplify 0 into 0
7.269 * [backup-simplify]: Simplify (* (acos (/ -1 (/ 1 (- a)))) (/ 1 (- a))) into (* -1 (/ (acos a) a))
7.269 * * * * [progress]: [ 2 / 2 ] generating series at (2)
7.269 * [backup-simplify]: Simplify (/ 1 (* (- (acos a)) (/ 1 a))) into (* -1 (/ a (acos a)))
7.269 * [approximate]: Taking taylor expansion of (* -1 (/ a (acos a))) in (a) around 0
7.269 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
7.269 * [taylor]: Taking taylor expansion of -1 in a
7.269 * [backup-simplify]: Simplify -1 into -1
7.269 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
7.269 * [taylor]: Taking taylor expansion of a in a
7.269 * [backup-simplify]: Simplify 0 into 0
7.269 * [backup-simplify]: Simplify 1 into 1
7.269 * [taylor]: Taking taylor expansion of (acos a) in a
7.269 * [backup-simplify]: Simplify (acos a) into (acos a)
7.269 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
7.269 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
7.269 * [taylor]: Taking taylor expansion of -1 in a
7.269 * [backup-simplify]: Simplify -1 into -1
7.269 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
7.269 * [taylor]: Taking taylor expansion of a in a
7.269 * [backup-simplify]: Simplify 0 into 0
7.269 * [backup-simplify]: Simplify 1 into 1
7.269 * [taylor]: Taking taylor expansion of (acos a) in a
7.269 * [backup-simplify]: Simplify (acos a) into (acos a)
7.269 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
7.269 * [backup-simplify]: Simplify (* -1 (/ 1 (acos a))) into (/ -1 (acos a))
7.269 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
7.270 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))))) into 0
7.270 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (/ 1 (acos a)))) into 0
7.270 * [backup-simplify]: Simplify 0 into 0
7.270 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
7.271 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))) into 0
7.271 * [backup-simplify]: Simplify 0 into 0
7.271 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
7.272 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))) into 0
7.272 * [backup-simplify]: Simplify 0 into 0
7.272 * [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
7.273 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))) into 0
7.273 * [backup-simplify]: Simplify 0 into 0
7.273 * [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
7.274 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))))) into 0
7.274 * [backup-simplify]: Simplify 0 into 0
7.275 * [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
7.276 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))))) into 0
7.276 * [backup-simplify]: Simplify 0 into 0
7.276 * [backup-simplify]: Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
7.276 * [backup-simplify]: Simplify (/ 1 (* (- (acos (/ 1 a))) (/ 1 (/ 1 a)))) into (/ -1 (* a (acos (/ 1 a))))
7.276 * [approximate]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in (a) around 0
7.276 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
7.276 * [taylor]: Taking taylor expansion of -1 in a
7.276 * [backup-simplify]: Simplify -1 into -1
7.276 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
7.277 * [taylor]: Taking taylor expansion of a in a
7.277 * [backup-simplify]: Simplify 0 into 0
7.277 * [backup-simplify]: Simplify 1 into 1
7.277 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
7.277 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
7.277 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
7.277 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
7.277 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
7.277 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
7.277 * [taylor]: Taking taylor expansion of -1 in a
7.277 * [backup-simplify]: Simplify -1 into -1
7.277 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
7.277 * [taylor]: Taking taylor expansion of a in a
7.277 * [backup-simplify]: Simplify 0 into 0
7.277 * [backup-simplify]: Simplify 1 into 1
7.277 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
7.277 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
7.277 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
7.278 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
7.278 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
7.278 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
7.278 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ 1 a))))) into 0
7.278 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))))) into 0
7.278 * [backup-simplify]: Simplify 0 into 0
7.279 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))) into 0
7.279 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
7.279 * [backup-simplify]: Simplify 0 into 0
7.280 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))) into 0
7.281 * [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
7.281 * [backup-simplify]: Simplify 0 into 0
7.282 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))) into 0
7.282 * [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
7.282 * [backup-simplify]: Simplify 0 into 0
7.284 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))))) into 0
7.284 * [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
7.284 * [backup-simplify]: Simplify 0 into 0
7.285 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))))) into 0
7.286 * [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
7.286 * [backup-simplify]: Simplify 0 into 0
7.286 * [backup-simplify]: Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
7.286 * [backup-simplify]: Simplify (/ 1 (* (- (acos (/ 1 (- a)))) (/ 1 (/ 1 (- a))))) into (/ 1 (* a (acos (/ -1 a))))
7.286 * [approximate]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in (a) around 0
7.286 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
7.286 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
7.286 * [taylor]: Taking taylor expansion of a in a
7.286 * [backup-simplify]: Simplify 0 into 0
7.286 * [backup-simplify]: Simplify 1 into 1
7.286 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
7.286 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
7.286 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
7.287 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
7.287 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
7.287 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
7.287 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
7.287 * [taylor]: Taking taylor expansion of a in a
7.287 * [backup-simplify]: Simplify 0 into 0
7.287 * [backup-simplify]: Simplify 1 into 1
7.287 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
7.287 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
7.287 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
7.287 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
7.287 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
7.287 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
7.288 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
7.288 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
7.288 * [backup-simplify]: Simplify 0 into 0
7.289 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
7.289 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
7.289 * [backup-simplify]: Simplify 0 into 0
7.290 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
7.290 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
7.290 * [backup-simplify]: Simplify 0 into 0
7.292 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
7.292 * [backup-simplify]: Simplify (- (+ (* (/ 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
7.292 * [backup-simplify]: Simplify 0 into 0
7.295 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
7.295 * [backup-simplify]: Simplify (- (+ (* (/ 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
7.295 * [backup-simplify]: Simplify 0 into 0
7.296 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
7.297 * [backup-simplify]: Simplify (- (+ (* (/ 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
7.297 * [backup-simplify]: Simplify 0 into 0
7.297 * [backup-simplify]: Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
7.297 * * * [progress]: simplifying candidates
7.298 * [simplify]: Simplifying:
  (* (- (acos a)) (/ 1 a))
  (+ (log (- (acos a))) (- (log a)))
  (+ (log (- (acos a))) (- 0 (log a)))
  (+ (log (- (acos a))) (- (log 1) (log a)))
  (+ (log (- (acos a))) (log (/ 1 a)))
  (log (* (- (acos a)) (/ 1 a)))
  (exp (* (- (acos a)) (/ 1 a)))
  (* (* (* (- (acos a)) (- (acos a))) (- (acos a))) (/ (* (* 1 1) 1) (* (* a a) a)))
  (* (* (* (- (acos a)) (- (acos a))) (- (acos a))) (* (* (/ 1 a) (/ 1 a)) (/ 1 a)))
  (* (cbrt (* (- (acos a)) (/ 1 a))) (cbrt (* (- (acos a)) (/ 1 a))))
  (cbrt (* (- (acos a)) (/ 1 a)))
  (* (* (* (- (acos a)) (/ 1 a)) (* (- (acos a)) (/ 1 a))) (* (- (acos a)) (/ 1 a)))
  (sqrt (* (- (acos a)) (/ 1 a)))
  (sqrt (* (- (acos a)) (/ 1 a)))
  (* (sqrt (- (acos a))) (sqrt (/ 1 a)))
  (* (sqrt (- (acos a))) (sqrt (/ 1 a)))
  (* (sqrt (- (acos a))) (/ (sqrt 1) (sqrt a)))
  (* (sqrt (- (acos a))) (/ (sqrt 1) (sqrt a)))
  (* (sqrt (- (acos a))) (/ 1 (sqrt a)))
  (* (sqrt (- (acos a))) (/ 1 (sqrt a)))
  (* (acos a) (/ 1 a))
  (* (- (acos a)) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (* (- (acos a)) (sqrt (/ 1 a)))
  (* (- (acos a)) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (* (- (acos a)) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (* (- (acos a)) (/ (* (cbrt 1) (cbrt 1)) 1))
  (* (- (acos a)) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (* (- (acos a)) (/ (sqrt 1) (sqrt a)))
  (* (- (acos a)) (/ (sqrt 1) 1))
  (* (- (acos a)) (/ 1 (* (cbrt a) (cbrt a))))
  (* (- (acos a)) (/ 1 (sqrt a)))
  (* (- (acos a)) (/ 1 1))
  (* (- (acos a)) 1)
  (* (- (acos a)) 1)
  (* (cbrt (- (acos a))) (/ 1 a))
  (* (sqrt (- (acos a))) (/ 1 a))
  (* (- (acos a)) (/ 1 a))
  (* (acos a) (/ 1 a))
  (* (cbrt (acos a)) (/ 1 a))
  (* (sqrt (acos a)) (/ 1 a))
  (* (acos a) (/ 1 a))
  (* (- (cbrt (acos a))) (/ 1 a))
  (* (- (sqrt (acos a))) (/ 1 a))
  (* (- (acos a)) (/ 1 a))
  (* (- (acos a)) 1)
  (- 1)
  (- 1)
  (- (+ (log (- (acos a))) (- (log a))))
  (- (+ (log (- (acos a))) (- 0 (log a))))
  (- (+ (log (- (acos a))) (- (log 1) (log a))))
  (- (+ (log (- (acos a))) (log (/ 1 a))))
  (- (log (* (- (acos a)) (/ 1 a))))
  (- 0 (+ (log (- (acos a))) (- (log a))))
  (- 0 (+ (log (- (acos a))) (- 0 (log a))))
  (- 0 (+ (log (- (acos a))) (- (log 1) (log a))))
  (- 0 (+ (log (- (acos a))) (log (/ 1 a))))
  (- 0 (log (* (- (acos a)) (/ 1 a))))
  (- (log 1) (+ (log (- (acos a))) (- (log a))))
  (- (log 1) (+ (log (- (acos a))) (- 0 (log a))))
  (- (log 1) (+ (log (- (acos a))) (- (log 1) (log a))))
  (- (log 1) (+ (log (- (acos a))) (log (/ 1 a))))
  (- (log 1) (log (* (- (acos a)) (/ 1 a))))
  (log (/ 1 (* (- (acos a)) (/ 1 a))))
  (exp (/ 1 (* (- (acos a)) (/ 1 a))))
  (/ (* (* 1 1) 1) (* (* (* (- (acos a)) (- (acos a))) (- (acos a))) (/ (* (* 1 1) 1) (* (* a a) a))))
  (/ (* (* 1 1) 1) (* (* (* (- (acos a)) (- (acos a))) (- (acos a))) (* (* (/ 1 a) (/ 1 a)) (/ 1 a))))
  (/ (* (* 1 1) 1) (* (* (* (- (acos a)) (/ 1 a)) (* (- (acos a)) (/ 1 a))) (* (- (acos a)) (/ 1 a))))
  (* (cbrt (/ 1 (* (- (acos a)) (/ 1 a)))) (cbrt (/ 1 (* (- (acos a)) (/ 1 a)))))
  (cbrt (/ 1 (* (- (acos a)) (/ 1 a))))
  (* (* (/ 1 (* (- (acos a)) (/ 1 a))) (/ 1 (* (- (acos a)) (/ 1 a)))) (/ 1 (* (- (acos a)) (/ 1 a))))
  (sqrt (/ 1 (* (- (acos a)) (/ 1 a))))
  (sqrt (/ 1 (* (- (acos a)) (/ 1 a))))
  (- 1)
  (- (* (- (acos a)) (/ 1 a)))
  (/ (* (cbrt 1) (cbrt 1)) (- (acos a)))
  (/ (cbrt 1) (/ 1 a))
  (/ (sqrt 1) (- (acos a)))
  (/ (sqrt 1) (/ 1 a))
  (/ 1 (- (acos a)))
  (/ 1 (/ 1 a))
  (/ 1 (* (- (acos a)) (/ 1 a)))
  (/ (* (- (acos a)) (/ 1 a)) 1)
  (/ 1 (- (acos a)))
  (/ (* (- (acos a)) (/ 1 a)) (cbrt 1))
  (/ (* (- (acos a)) (/ 1 a)) (sqrt 1))
  (/ (* (- (acos a)) (/ 1 a)) 1)
  (/ 1 (- (acos a)))
  (/ 1 (* (- (acos a)) 1))
  (* -1 (/ (acos a) a))
  (* -1 (/ (acos a) a))
  (* -1 (/ (acos a) a))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
7.299 * * [simplify]: iteration 0: 125 enodes
7.346 * * [simplify]: iteration 1: 378 enodes
7.516 * * [simplify]: iteration 2: 2278 enodes
8.709 * * [simplify]: iteration complete: 5001 enodes
8.710 * * [simplify]: Extracting #0: cost 33 inf + 0
8.712 * * [simplify]: Extracting #1: cost 1195 inf + 2
8.722 * * [simplify]: Extracting #2: cost 1725 inf + 21937
8.755 * * [simplify]: Extracting #3: cost 588 inf + 300103
8.842 * * [simplify]: Extracting #4: cost 6 inf + 450602
8.915 * * [simplify]: Extracting #5: cost 0 inf + 452876
8.993 * [simplify]: Simplified to:
  (/ (- (acos a)) a)
  (log (/ (- (acos a)) a))
  (log (/ (- (acos a)) a))
  (log (/ (- (acos a)) a))
  (log (/ (- (acos a)) a))
  (log (/ (- (acos a)) a))
  (exp (/ (- (acos a)) a))
  (- (* (/ (acos a) a) (* (/ (acos a) a) (/ (acos a) a))))
  (- (* (/ (acos a) a) (* (/ (acos a) a) (/ (acos a) a))))
  (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a)))
  (cbrt (/ (- (acos a)) a))
  (- (* (/ (acos a) a) (* (/ (acos a) a) (/ (acos a) a))))
  (sqrt (/ (- (acos a)) a))
  (sqrt (/ (- (acos a)) a))
  (* (sqrt (- (acos a))) (sqrt (/ 1 a)))
  (* (sqrt (- (acos a))) (sqrt (/ 1 a)))
  (/ (sqrt (- (acos a))) (sqrt a))
  (/ (sqrt (- (acos a))) (sqrt a))
  (/ (sqrt (- (acos a))) (sqrt a))
  (/ (sqrt (- (acos a))) (sqrt a))
  (/ (acos a) a)
  (* (cbrt (/ 1 a)) (* (cbrt (/ 1 a)) (- (acos a))))
  (* (- (acos a)) (sqrt (/ 1 a)))
  (/ (/ (- (acos a)) (cbrt a)) (cbrt a))
  (/ (- (acos a)) (sqrt a))
  (- (acos a))
  (/ (/ (- (acos a)) (cbrt a)) (cbrt a))
  (/ (- (acos a)) (sqrt a))
  (- (acos a))
  (/ (/ (- (acos a)) (cbrt a)) (cbrt a))
  (/ (- (acos a)) (sqrt a))
  (- (acos a))
  (- (acos a))
  (- (acos a))
  (/ (cbrt (- (acos a))) a)
  (/ (sqrt (- (acos a))) a)
  (/ (- (acos a)) a)
  (/ (acos a) a)
  (/ (cbrt (acos a)) a)
  (/ (sqrt (acos a)) a)
  (/ (acos a) a)
  (/ (- (cbrt (acos a))) a)
  (- (/ (sqrt (acos a)) a))
  (/ (- (acos a)) a)
  (- (acos a))
  -1
  -1
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (exp (* (/ 1 (- (acos a))) a))
  (/ 1 (- (* (/ (acos a) a) (* (/ (acos a) a) (/ (acos a) a)))))
  (/ 1 (- (* (/ (acos a) a) (* (/ (acos a) a) (/ (acos a) a)))))
  (/ 1 (- (* (/ (acos a) a) (* (/ (acos a) a) (/ (acos a) a)))))
  (* (cbrt (* (/ 1 (- (acos a))) a)) (cbrt (* (/ 1 (- (acos a))) a)))
  (cbrt (* (/ 1 (- (acos a))) a))
  (* (* (* (/ 1 (- (acos a))) a) (* (/ 1 (- (acos a))) a)) (* (/ 1 (- (acos a))) a))
  (sqrt (* (/ 1 (- (acos a))) a))
  (sqrt (* (/ 1 (- (acos a))) a))
  -1
  (/ (acos a) a)
  (/ 1 (- (acos a)))
  a
  (/ 1 (- (acos a)))
  a
  (/ 1 (- (acos a)))
  a
  (* (/ 1 (- (acos a))) a)
  (/ (- (acos a)) a)
  (/ 1 (- (acos a)))
  (/ (- (acos a)) a)
  (/ (- (acos a)) a)
  (/ (- (acos a)) a)
  (/ 1 (- (acos a)))
  (/ 1 (- (acos a)))
  (/ (- (acos a)) a)
  (/ (- (acos a)) a)
  (/ (- (acos a)) a)
  (/ (- a) (acos a))
  (/ (- a) (acos a))
  (/ (- a) (acos a))
8.998 * * * [progress]: adding candidates to table
9.258 * [progress]: [Phase 3 of 3] Extracting.
9.258 * * [regime]: Finding splitpoints for: (#<alt (λ (a) (/ 1 (* (- (acos a)) (/ 1 a))))> #<alt (λ (a) (/ (/ 1 (/ (sqrt (acos a)) (* (cbrt a) (cbrt a)))) (/ (- (sqrt (acos a))) (cbrt a))))> #<alt (λ (a) (/ (/ 1 (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a)))) (cbrt (/ (- (acos a)) a))))> #<alt (λ (a) (* (* (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))))> #<alt (λ (a) (* (* (cbrt (/ 1 (* (- (acos a)) (/ 1 a)))) (cbrt (/ 1 (* (- (acos a)) (/ 1 a))))) (cbrt (/ 1 (* (- (acos a)) (/ 1 a))))))> #<alt (λ (a) (* (sqrt a) (/ (sqrt a) (- (acos a)))))> #<alt (λ (a) (/ a (- (acos a))))> #<alt (λ (a) (* (/ 1 (- (* (/ (cbrt (acos a)) (cbrt a)) (/ (cbrt (acos a)) (cbrt a))))) (* (cbrt a) (/ 1 (cbrt (acos a))))))> #<alt (λ (a) (/ (/ 1 (- (acos a))) (/ 1 a)))> #<alt (λ (a) (/ 1 (* (sqrt (/ (- (acos a)) a)) (sqrt (/ (- (acos a)) a)))))> #<alt (λ (a) (/ 1 (/ (- (acos a)) a)))> #<alt (λ (a) (* (sqrt a) (* (/ 1 (- (acos a))) (sqrt a))))>)
9.259 * * * [regime-changes]: Trying 2 branch expressions: ((/ a (- (acos a))) a)
9.259 * * * * [regimes]: Trying to branch on (/ a (- (acos a))) from (#<alt (λ (a) (/ 1 (* (- (acos a)) (/ 1 a))))> #<alt (λ (a) (/ (/ 1 (/ (sqrt (acos a)) (* (cbrt a) (cbrt a)))) (/ (- (sqrt (acos a))) (cbrt a))))> #<alt (λ (a) (/ (/ 1 (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a)))) (cbrt (/ (- (acos a)) a))))> #<alt (λ (a) (* (* (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))))> #<alt (λ (a) (* (* (cbrt (/ 1 (* (- (acos a)) (/ 1 a)))) (cbrt (/ 1 (* (- (acos a)) (/ 1 a))))) (cbrt (/ 1 (* (- (acos a)) (/ 1 a))))))> #<alt (λ (a) (* (sqrt a) (/ (sqrt a) (- (acos a)))))> #<alt (λ (a) (/ a (- (acos a))))> #<alt (λ (a) (* (/ 1 (- (* (/ (cbrt (acos a)) (cbrt a)) (/ (cbrt (acos a)) (cbrt a))))) (* (cbrt a) (/ 1 (cbrt (acos a))))))> #<alt (λ (a) (/ (/ 1 (- (acos a))) (/ 1 a)))> #<alt (λ (a) (/ 1 (* (sqrt (/ (- (acos a)) a)) (sqrt (/ (- (acos a)) a)))))> #<alt (λ (a) (/ 1 (/ (- (acos a)) a)))> #<alt (λ (a) (* (sqrt a) (* (/ 1 (- (acos a))) (sqrt a))))>)
9.324 * * * * [regimes]: Trying to branch on a from (#<alt (λ (a) (/ 1 (* (- (acos a)) (/ 1 a))))> #<alt (λ (a) (/ (/ 1 (/ (sqrt (acos a)) (* (cbrt a) (cbrt a)))) (/ (- (sqrt (acos a))) (cbrt a))))> #<alt (λ (a) (/ (/ 1 (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a)))) (cbrt (/ (- (acos a)) a))))> #<alt (λ (a) (* (* (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))))> #<alt (λ (a) (* (* (cbrt (/ 1 (* (- (acos a)) (/ 1 a)))) (cbrt (/ 1 (* (- (acos a)) (/ 1 a))))) (cbrt (/ 1 (* (- (acos a)) (/ 1 a))))))> #<alt (λ (a) (* (sqrt a) (/ (sqrt a) (- (acos a)))))> #<alt (λ (a) (/ a (- (acos a))))> #<alt (λ (a) (* (/ 1 (- (* (/ (cbrt (acos a)) (cbrt a)) (/ (cbrt (acos a)) (cbrt a))))) (* (cbrt a) (/ 1 (cbrt (acos a))))))> #<alt (λ (a) (/ (/ 1 (- (acos a))) (/ 1 a)))> #<alt (λ (a) (/ 1 (* (sqrt (/ (- (acos a)) a)) (sqrt (/ (- (acos a)) a)))))> #<alt (λ (a) (/ 1 (/ (- (acos a)) a)))> #<alt (λ (a) (* (sqrt a) (* (/ 1 (- (acos a))) (sqrt a))))>)
9.380 * * * [regime]: Found split indices: #<option (#s(si 6 255))>
9.380 * [simplify]: Simplifying:
  (/ a (- (acos a)))
9.380 * * [simplify]: iteration 0: 4 enodes
9.381 * * [simplify]: iteration complete: 4 enodes
9.381 * * [simplify]: Extracting #0: cost 1 inf + 0
9.381 * * [simplify]: Extracting #1: cost 3 inf + 0
9.381 * * [simplify]: Extracting #2: cost 3 inf + 1
9.381 * * [simplify]: Extracting #3: cost 0 inf + 394
9.381 * [simplify]: Simplified to:
  (/ a (- (acos a)))
11.550 * [regime-testing]: Baseline error score: 0.25153144143017875
11.558 * [regime-testing]: Oracle error score: 0.03900487560945118
11.575 * [regime-testing]: End program error score: 0.25153144143017875