* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * * [misc]points:  Sampling 256 additional inputs, on iter 0 have 0 / 256
* * * * [misc]points:  Computing exacts on every 16 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 8 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 4 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 2 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts for 256 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 131 additional inputs, on iter 1 have 125 / 256
* * * * [misc]points:  Computing exacts on every 8 of 131 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 4 of 131 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 2 of 131 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts for 131 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 67 additional inputs, on iter 2 have 189 / 256
* * * * [misc]points:  Computing exacts on every 4 of 67 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 2 of 67 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts for 67 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 33 additional inputs, on iter 3 have 223 / 256
* * * * [misc]points:  Computing exacts on every 2 of 33 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts for 33 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 10 additional inputs, on iter 4 have 246 / 256
* * * * [misc]points:  Computing exacts for 10 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 5 additional inputs, on iter 5 have 251 / 256
* * * * [misc]points:  Computing exacts for 5 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 6 have 252 / 256
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 7 have 254 / 256
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 256 points with exact outputs
* * * [misc]progress:  [2/2] Setting up program.
* [misc]progress:  [Phase 2 of 3] Improving.
* [enter]simplify:  Simplifying (/ a (- (acos a)))
* * [misc]simplify:  iters left: 5 (4 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * [misc]progress:  iteration 1 / 4
* * * [misc]progress:  picking best candidate
"ALT DATA: "{"all-alts":["#<alt-event (λ (a) (/ a (- (acos a))))>"],"best-fresh-alt-per-point":[[[5.706174991628051e-294],0,0],[[-2.0075913201092103e-110],0,0],[[3.669186107808967e-292],0,0],[[7.17939675829627e-158],0,0],[[1.7255846811749406e-291],0,1.0],[[-4.3156972913392805e-297],0,0],[[2.339761031458555e-169],0,0],[[8.23935440322281e-255],0,0],[[-6.993566496172953e-149],0,1.0],[[-1.8008197600788473e-210],0,0],[[2.0474783165414538e-126],0,1.0],[[5.5609724703152094e-123],0,0],[[4.871284163370267e-185],0,0],[[1.9117791443554203e-134],0,1.0],[[-1.1788306068444453e-175],0,0],[[-7.2672182309421e-153],0,0],[[-5.600514306056783e-289],0,0],[[-3.4507996665333636e-44],0,0],[[7.4751406322111975e-208],0,0],[[7.348751680152543e-306],0,0],[[5.656765710936691e-76],0,0],[[1.961831527193424e-60],0,0],[[-1.0262805742626176e-88],0,1.0],[[7.655606647706524e-307],0,1.0],[[-3.4535699470035837e-158],0,1.0],[[-1.0089466879026102e-120],0,0],[[-8.150217400699526e-187],0,0],[[-7.328272485377685e-51],0,1.0],[[-5.600850699676017e-216],0,0],[[-4.569457869050411e-204],0,0],[[1.6703871447091801e-184],0,1.0],[[3.294798454877577e-109],0,0],[[-2.5842611121723686e-83],0,0],[[3.6553350706241625e-209],0,1.0],[[5.073224629669749e-209],0,0],[[-1.2641746276125557e-259],0,0],[[-6.168869222825437e-92],0,1.0],[[-4.977701482488331e-274],0,1.0],[[2.2777945340735493e-276],0,0],[[3.043685036732137e-200],0,1.0],[[1.4920285944075702e-53],0,0],[[-1.738586776813829e-222],0,0],[[4.493452818771822e-125],0,0],[[-1.980605354536306e-231],0,0],[[1.4342996382753786e-68],0,0],[[1.0963301159009184e-183],0,0],[[8.895467702359268e-17],0,0],[[-9.062606466177737e-237],0,0],[[-1.3688696209191408e-102],0,0],[[-2.0036982767287855e-282],0,0],[[-1.7089084754270419e-12],0,0],[[-9.164501627196514e-190],0,0],[[-5.450210145640886e-309],0,0],[[2.8321391439452527e-177],0,0],[[1.0865881933967427e-239],0,0],[[1.0321884324238089e-204],0,0],[[3.468363920687483e-275],0,0],[[9.235058182301351e-298],0,0],[[1.3508330812519037e-42],0,0],[[-7.643304163425191e-132],0,0],[[3.258549790458107e-45],0,0],[[2.1316535898912934e-76],0,1.0],[[2.2420303907903802e-68],0,0],[[-4.147815060644267e-269],0,0],[[-1.5885079051767335e-90],0,0],[[-3.969894456140893e-15],0,0],[[5.776745162887772e-81],0,0],[[9.383817895669287e-283],0,0],[[3.611278323934413e-94],0,0],[[-6.602809642561733e-223],0,0],[[1.4448618247603424e-257],0,0],[[3.706054342154294e-129],0,0],[[7.195448856340728e-141],0,0],[[-4.510161549039838e-214],0,0],[[2.809919074811328e-300],0,0],[[2.1859104172563636e-264],0,1.0],[[-1.6313740517107182e-227],0,0],[[-7.512222795104406e-168],0,0],[[-2.191896168863437e-98],0,1.0],[[-3.3925149777052834e-63],0,0],[[8.359355849775862e-16],0,1.0],[[-1.3274409717698955e-301],0,0],[[-7.543647802930883e-65],0,1.0],[[4.6811315760090616e-144],0,0],[[1.046624167704608e-163],0,0],[[-1.3964572346787755e-152],0,0],[[-7.807986006964459e-172],0,0],[[-4.519595929536516e-229],0,1.0],[[-1.3448163575524206e-16],0,0],[[-1.423542426143039e-129],0,0],[[5.903833024524204e-224],0,1.0],[[6.75061600976492e-09],0,0],[[-6.990575505691825e-293],0,0],[[-1.0183335489303076e-199],0,1.0],[[-2.915269426177489e-188],0,0],[[6.509917256919526e-155],0,0],[[-1.235130140170164e-126],0,0],[[2.0740305822111617e-302],0,0],[[-3.7138781240413885e-204],0,0],[[-7.263550849085613e-27],0,1.0],[[5.582278109308679e-72],0,0],[[-9.324073911343234e-97],0,1.0],[[2.480190476546545e-246],0,1.0],[[7.542398567020551e-205],0,0],[[3.211003609332114e-292],0,1.0],[[-2.9988557709871706e-297],0,1.0],[[-3.841622556722524e-66],0,1.0],[[4.607613593823294e-213],0,1.0],[[-1.1204577574966285e-246],0,0],[[-4.921050894675189e-140],0,0],[[2.0974429565133816e-215],0,0],[[1.51646550817889e-257],0,0],[[-0.0007363022252445651],0,0],[[-5.624997011130711e-126],0,0],[[1.1988791635038015e-56],0,1.0],[[3.50550012204851e-33],0,0],[[-3.1472164561505567e-59],0,0],[[-8.05737758242569e-91],0,0],[[1.0057242501199301e-254],0,0],[[-3.222264666704597e-210],0,0],[[1.099315532911349e-23],0,1.0],[[-7.586221492885147e-139],0,1.0],[[3.224104279734413e-128],0,0],[[-6.394924897500658e-104],0,0],[[-1.3489282606511781e-35],0,1.0],[[2.45682697544046e-235],0,0],[[-1.0726845205664223e-63],0,0],[[5.394314721089183e-302],0,0],[[-3.023055730501428e-23],0,1.0],[[-1.175878359064847e-77],0,0],[[-3.9529958064865946e-264],0,1.0],[[2.3993845233584173e-107],0,1.0],[[-1.3908305214282044e-154],0,0],[[-3.7981733760926524e-59],0,0],[[3.6070289902878433e-298],0,1.0],[[-6.59522455933465e-44],0,1.0],[[9.732025433837372e-298],0,1.0],[[4.717376995390811e-229],0,0],[[-1.7808212315293658e-267],0,0],[[-4.3402484094339546e-98],0,1.0],[[-3.8472878924535176e-69],0,0],[[-1.0752803839894087e-102],0,1.0],[[-2.4043032639901138e-220],0,0],[[7.317333208039203e-135],0,0],[[-3.5874867218821053e-289],0,0],[[7.51766164914667e-83],0,1.0],[[1.2494134226790036e-90],0,0],[[5.2370439997769816e-251],0,0],[[3.8297412694520027e-72],0,0],[[-6.728931476030476e-220],0,1.0],[[9.751429336071956e-111],0,1.0],[[3.4632829335752192e-251],0,0],[[-5.571648378152749e-24],0,0],[[-1.5013788162994641e-139],0,0],[[-3.39473872647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(λ (a) (/ a (- (acos 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(a) (/ a (- (acos a))))"}* * * * [misc]pick:  Picked  #<alt-event (λ (a) (/ a (- (acos a))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (/ a (- (acos a))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ a (- (acos a))) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos a))) into (/ -1 (acos a))
* [misc]taylor:  Taking taylor expansion of (/ a (- (acos a))) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos a))) into (/ -1 (acos a))
* [misc]backup-simplify:  Simplify (/ -1 (acos a)) into (/ -1 (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos a))) (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
* [misc]approximate:  Taking taylor expansion of (/ (/ 1 a) (- (acos (/ 1 a)))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 a) (- (acos (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos (/ 1 a)))) into (/ -1 (acos (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 a) (- (acos (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos (/ 1 a)))) into (/ -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ 1 a)))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
* [misc]approximate:  Taking taylor expansion of (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ -1 (- (acos (/ -1 a)))) into (/ 1 (acos (/ -1 a)))
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ -1 (- (acos (/ -1 a)))) into (/ 1 (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (/ 0 (- (acos (/ -1 a)))) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 23 ] simplifiying candidate #<alt-delta (λ (a) (pow (/ a (- (acos a))) 1))>
* * * * [misc]progress:  [ 2 / 23 ] simplifiying candidate #<alt-delta (λ (a) (exp (log (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (log (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* * * * [misc]progress:  [ 3 / 23 ] simplifiying candidate #<alt-delta (λ (a) (log (exp (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (exp (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* * * * [misc]progress:  [ 4 / 23 ] simplifiying candidate #<alt-delta (λ (a) (* (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a))))) (cbrt (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* [exit]simplify:  Simplified to (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
* [exit]simplify:  Simplified to (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
* [enter]simplify:  Simplifying (cbrt (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 5 / 23 ] simplifiying candidate #<alt-delta (λ (a) (cbrt (* (* (/ a (- (acos a))) (/ a (- (acos a)))) (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (* (* (/ a (- (acos a))) (/ a (- (acos a)))) (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (60 enodes)
* * [misc]simplify:  iters left: 2 (121 enodes)
* * [misc]simplify:  iters left: 1 (252 enodes)
* [exit]simplify:  Simplified to (/ (/ a (/ (acos a) a)) (* (- (acos a)) (/ (acos a) a)))
* [exit]simplify:  Simplified to (/ (/ a (/ (acos a) a)) (* (- (acos a)) (/ (acos a) a)))
* * * * [misc]progress:  [ 6 / 23 ] simplifiying candidate #<alt-delta (λ (a) (* (sqrt (/ a (- (acos a)))) (sqrt (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (sqrt (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [enter]simplify:  Simplifying (sqrt (/ a (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 7 / 23 ] simplifiying candidate #<alt-delta (λ (a) (/ (- a) (- (- (acos a)))))>
* [enter]simplify:  Simplifying (- a)
* * [misc]simplify:  iters left: 2 (2 enodes)
* [exit]simplify:  Simplified to (- a)
* [exit]simplify:  Simplified to (- a)
* [enter]simplify:  Simplifying (- (- (acos a)))
* * [misc]simplify:  iters left: 5 (4 enodes)
* [exit]simplify:  Simplified to (acos a)
* [exit]simplify:  Simplified to (acos a)
* * * * [misc]progress:  [ 8 / 23 ] simplifiying candidate #<alt-delta (λ (a) (* 1 (/ a (- (acos a)))))>
* * * * [misc]progress:  [ 9 / 23 ] simplifiying candidate #<alt-delta (λ (a) (* a (/ 1 (- (acos a)))))>
* [enter]simplify:  Simplifying (/ 1 (- (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* * * * [misc]progress:  [ 10 / 23 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (- (acos a)) a)))>
* [enter]simplify:  Simplifying (/ (- (acos a)) a)
* * [misc]simplify:  iters left: 5 (4 enodes)
* * [misc]simplify:  iters left: 4 (6 enodes)
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* * * * [misc]progress:  [ 11 / 23 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ a (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (cbrt (- (acos a)))))>
* [enter]simplify:  Simplifying (/ a (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* [exit]simplify:  Simplified to (/ (/ a (cbrt (- (acos a)))) (cbrt (- (acos a))))
* [exit]simplify:  Simplified to (/ (/ a (cbrt (- (acos a)))) (cbrt (- (acos a))))
* * * * [misc]progress:  [ 12 / 23 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ a (sqrt (- (acos a)))) (sqrt (- (acos a)))))>
* [enter]simplify:  Simplifying (/ a (sqrt (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (/ a (sqrt (- (acos a))))
* [exit]simplify:  Simplified to (/ a (sqrt (- (acos a))))
* * * * [misc]progress:  [ 13 / 23 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ a 1) (- (acos a))))>
* [enter]simplify:  Simplifying (/ a 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to a
* [exit]simplify:  Simplified to a
* * * * [misc]progress:  [ 14 / 23 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ a -1) (acos a)))>
* [enter]simplify:  Simplifying (/ a -1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (/ a -1)
* [exit]simplify:  Simplified to (/ a -1)
* * * * [misc]progress:  [ 15 / 23 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ a (- (* (cbrt (acos a)) (cbrt (acos a))))) (cbrt (acos a))))>
* [enter]simplify:  Simplifying (/ a (- (* (cbrt (acos a)) (cbrt (acos a)))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* [exit]simplify:  Simplified to (/ (/ a (cbrt (acos a))) (- (cbrt (acos a))))
* [exit]simplify:  Simplified to (/ (/ a (cbrt (acos a))) (- (cbrt (acos a))))
* * * * [misc]progress:  [ 16 / 23 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ a (- (sqrt (acos a)))) (sqrt (acos a))))>
* [enter]simplify:  Simplifying (/ a (- (sqrt (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (/ a (- (sqrt (acos a))))
* [exit]simplify:  Simplified to (/ a (- (sqrt (acos a))))
* * * * [misc]progress:  [ 17 / 23 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ a (- 1)) (acos a)))>
* [enter]simplify:  Simplifying (/ a (- 1))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (/ a (- 1))
* [exit]simplify:  Simplified to (/ a (- 1))
* * * * [misc]progress:  [ 18 / 23 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ a (* (cbrt (acos a)) (cbrt (acos a)))) (- (cbrt (acos a)))))>
* [enter]simplify:  Simplifying (/ a (* (cbrt (acos a)) (cbrt (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (7 enodes)
* [exit]simplify:  Simplified to (/ a (* (cbrt (acos a)) (cbrt (acos a))))
* [exit]simplify:  Simplified to (/ a (* (cbrt (acos a)) (cbrt (acos a))))
* * * * [misc]progress:  [ 19 / 23 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ a (sqrt (acos a))) (- (sqrt (acos a)))))>
* [enter]simplify:  Simplifying (/ a (sqrt (acos a)))
* * [misc]simplify:  iters left: 4 (4 enodes)
* [exit]simplify:  Simplified to (/ a (sqrt (acos a)))
* [exit]simplify:  Simplified to (/ a (sqrt (acos a)))
* * * * [misc]progress:  [ 20 / 23 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ a 1) (- (acos a))))>
* [enter]simplify:  Simplifying (/ a 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to a
* [exit]simplify:  Simplified to a
* * * * [misc]progress:  [ 21 / 23 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos a))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 22 / 23 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos a))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 23 / 23 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos a))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 4
* * * [misc]progress:  picking best candidate
"ALT DATA: "{"all-alts":["#<alt-delta (λ (a) (* (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a))))) (cbrt (/ a (- (acos a))))))>","#<alt-delta (λ (a) (cbrt (/ (/ a (/ (acos a) a)) (* (- (acos a)) (/ (acos a) a)))))>","#<alt-delta (λ (a) (* (sqrt (/ a (- (acos a)))) (sqrt (/ a (- (acos a))))))>","#<alt-delta (λ (a) (/ (/ a (- (sqrt (acos a)))) (sqrt (acos a))))>","#<alt-event (λ (a) (/ a (- (acos a))))>","#<alt-delta (λ (a) (/ 1 (/ (- (acos a)) 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(a) (/ 1 (/ (- (acos a)) a)))"}* * * * [misc]pick:  Picked  #<alt-delta (λ (a) (/ 1 (/ (- (acos a)) a)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 2)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (/ 1 (/ (- (acos a)) a)) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (- (acos a)) a)) in a
* [misc]taylor:  Taking taylor expansion of (/ (- (acos a)) a) in a
* [misc]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (/ (- (acos a)) 1) into (* -1 (acos a))
* [misc]backup-simplify:  Simplify (/ 1 (* -1 (acos a))) into (/ -1 (acos a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (- (acos a)) a)) in a
* [misc]taylor:  Taking taylor expansion of (/ (- (acos a)) a) in a
* [misc]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (/ (- (acos a)) 1) into (* -1 (acos a))
* [misc]backup-simplify:  Simplify (/ 1 (* -1 (acos a))) into (/ -1 (acos a))
* [misc]backup-simplify:  Simplify (/ -1 (acos a)) into (/ -1 (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos a)) (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (* -1 (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos a)) (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos a)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos a)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos a)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos a)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
* [misc]approximate:  Taking taylor expansion of (/ 1 (/ (- (acos (/ 1 a))) (/ 1 a))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (- (acos (/ 1 a))) (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (/ (- (acos (/ 1 a))) (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ (- (acos (/ 1 a))) 1) into (* -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (* -1 (acos (/ 1 a)))) into (/ -1 (acos (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (- (acos (/ 1 a))) (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (/ (- (acos (/ 1 a))) (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ (- (acos (/ 1 a))) 1) into (* -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (* -1 (acos (/ 1 a)))) into (/ -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos (/ 1 a))) (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (* -1 (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos (/ 1 a))) (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos (/ 1 a))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos (/ 1 a))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos (/ 1 a))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos (/ 1 a))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
* [misc]approximate:  Taking taylor expansion of (/ 1 (/ (- (acos (/ 1 (- a)))) (/ 1 (- a)))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (- (acos (/ 1 (- a)))) (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (/ (- (acos (/ 1 (- a)))) (/ 1 (- a))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ (- (acos (/ -1 a))) -1) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ (- (acos (/ 1 (- a)))) (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (/ (- (acos (/ 1 (- a)))) (/ 1 (- a))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ (- (acos (/ -1 a))) -1) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (acos (/ -1 a)) (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (acos (/ -1 a)) (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (acos (/ -1 a)) (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (acos (/ -1 a)) (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]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
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (acos (/ -1 a)) (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]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
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (acos (/ -1 a)) (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]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
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2 2)
* [misc]approximate:  Taking taylor expansion of (/ (- (acos a)) a) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- (acos a)) a) in a
* [misc]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (/ (- (acos a)) 1) into (* -1 (acos a))
* [misc]taylor:  Taking taylor expansion of (/ (- (acos a)) a) in a
* [misc]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (/ (- (acos a)) 1) into (* -1 (acos a))
* [misc]backup-simplify:  Simplify (* -1 (acos a)) into (* -1 (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos a)) (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos a)) (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos a)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos a)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos a)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos a)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (* -1 (acos a)) (/ 1 a)) into (* -1 (/ (acos a) a))
* [misc]approximate:  Taking taylor expansion of (/ (- (acos (/ 1 a))) (/ 1 a)) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- (acos (/ 1 a))) (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ (- (acos (/ 1 a))) 1) into (* -1 (acos (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (/ (- (acos (/ 1 a))) (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ (- (acos (/ 1 a))) 1) into (* -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (* -1 (acos (/ 1 a))) into (* -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos (/ 1 a))) (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos (/ 1 a))) (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos (/ 1 a))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos (/ 1 a))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos (/ 1 a))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (* -1 (acos (/ 1 a))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (* -1 (acos (/ 1 (/ 1 a)))) (/ 1 a)) into (* -1 (/ (acos a) a))
* [misc]approximate:  Taking taylor expansion of (/ (- (acos (/ 1 (- a)))) (/ 1 (- a))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- (acos (/ 1 (- a)))) (/ 1 (- a))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ (- (acos (/ -1 a))) -1) into (acos (/ -1 a))
* [misc]taylor:  Taking taylor expansion of (/ (- (acos (/ 1 (- a)))) (/ 1 (- a))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ (- (acos (/ -1 a))) -1) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (acos (/ -1 a)) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (acos (/ -1 a)) (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (acos (/ -1 a)) (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (acos (/ -1 a)) (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (acos (/ -1 a)) (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (acos (/ -1 a)) (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (acos (/ -1 a)) (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (acos (/ -1 (/ 1 (- a)))) (/ 1 (- a))) into (* -1 (/ (acos a) a))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 46 ] simplifiying candidate #<alt-delta (λ (a) (pow (/ (- (acos a)) a) -1))>
* * * * [misc]progress:  [ 2 / 46 ] simplifiying candidate #<alt-delta (λ (a) (pow (/ (- (acos a)) a) (- 1)))>
* [enter]simplify:  Simplifying (- 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (- 1)
* [exit]simplify:  Simplified to (- 1)
* * * * [misc]progress:  [ 3 / 46 ] simplifiying candidate #<alt-delta (λ (a) (pow (/ 1 (/ (- (acos a)) a)) 1))>
* * * * [misc]progress:  [ 4 / 46 ] simplifiying candidate #<alt-delta (λ (a) (exp (- (log (/ (- (acos a)) a)))))>
* [enter]simplify:  Simplifying (- (log (/ (- (acos a)) a)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (- (log a) (log (- (acos a))))
* [exit]simplify:  Simplified to (- (log a) (log (- (acos a))))
* * * * [misc]progress:  [ 5 / 46 ] simplifiying candidate #<alt-delta (λ (a) (exp (log (/ 1 (/ (- (acos a)) a)))))>
* [enter]simplify:  Simplifying (log (/ 1 (/ (- (acos a)) a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (42 enodes)
* * [misc]simplify:  iters left: 2 (83 enodes)
* * [misc]simplify:  iters left: 1 (280 enodes)
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* * * * [misc]progress:  [ 6 / 46 ] simplifiying candidate #<alt-delta (λ (a) (log (exp (/ 1 (/ (- (acos a)) a)))))>
* [enter]simplify:  Simplifying (exp (/ 1 (/ (- (acos a)) a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* * * * [misc]progress:  [ 7 / 46 ] simplifiying candidate #<alt-delta (λ (a) (* (* (cbrt (/ 1 (/ (- (acos a)) a))) (cbrt (/ 1 (/ (- (acos a)) a)))) (cbrt (/ 1 (/ (- (acos a)) a)))))>
* [enter]simplify:  Simplifying (* (cbrt (/ 1 (/ (- (acos a)) a))) (cbrt (/ 1 (/ (- (acos a)) a))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* [exit]simplify:  Simplified to (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
* [exit]simplify:  Simplified to (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
* [enter]simplify:  Simplifying (cbrt (/ 1 (/ (- (acos a)) a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 8 / 46 ] simplifiying candidate #<alt-delta (λ (a) (cbrt (* (* (/ 1 (/ (- (acos a)) a)) (/ 1 (/ (- (acos a)) a))) (/ 1 (/ (- (acos a)) a)))))>
* [enter]simplify:  Simplifying (* (* (/ 1 (/ (- (acos a)) a)) (/ 1 (/ (- (acos a)) a))) (/ 1 (/ (- (acos a)) a)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (47 enodes)
* * [misc]simplify:  iters left: 3 (131 enodes)
* * [misc]simplify:  iters left: 2 (302 enodes)
* [exit]simplify:  Simplified to (/ (/ a (- (acos a))) (* (/ (acos a) a) (/ (acos a) a)))
* [exit]simplify:  Simplified to (/ (/ a (- (acos a))) (* (/ (acos a) a) (/ (acos a) a)))
* * * * [misc]progress:  [ 9 / 46 ] simplifiying candidate #<alt-delta (λ (a) (* (sqrt (/ 1 (/ (- (acos a)) a))) (sqrt (/ 1 (/ (- (acos a)) a)))))>
* [enter]simplify:  Simplifying (sqrt (/ 1 (/ (- (acos a)) a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [enter]simplify:  Simplifying (sqrt (/ 1 (/ (- (acos a)) a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 10 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ (- 1) (- (/ (- (acos a)) a))))>
* [enter]simplify:  Simplifying (- 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (- 1)
* [exit]simplify:  Simplified to (- 1)
* [enter]simplify:  Simplifying (- (/ (- (acos a)) a))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* [exit]simplify:  Simplified to (/ (acos a) a)
* [exit]simplify:  Simplified to (/ (acos a) a)
* * * * [misc]progress:  [ 11 / 46 ] simplifiying candidate #<alt-delta (λ (a) (* 1 (/ 1 (/ (- (acos a)) a))))>
* * * * [misc]progress:  [ 12 / 46 ] simplifiying candidate #<alt-delta (λ (a) (* 1 (/ 1 (/ (- (acos a)) a))))>
* [enter]simplify:  Simplifying (/ 1 (/ (- (acos a)) a))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 13 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (/ (- (acos a)) a) 1)))>
* [enter]simplify:  Simplifying (/ (/ (- (acos a)) a) 1)
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* * * * [misc]progress:  [ 14 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ 1 (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a)))) (cbrt (/ (- (acos a)) a))))>
* [enter]simplify:  Simplifying (/ 1 (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (cbrt (/ (- (acos a)) a))) (cbrt (/ (- (acos a)) a)))
* [exit]simplify:  Simplified to (/ (/ 1 (cbrt (/ (- (acos a)) a))) (cbrt (/ (- (acos a)) a)))
* * * * [misc]progress:  [ 15 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ 1 (sqrt (/ (- (acos a)) a))) (sqrt (/ (- (acos a)) a))))>
* [enter]simplify:  Simplifying (/ 1 (sqrt (/ (- (acos a)) a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (/ 1 (sqrt (/ (- (acos a)) a)))
* [exit]simplify:  Simplified to (/ 1 (sqrt (/ (- (acos a)) a)))
* * * * [misc]progress:  [ 16 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ 1 1) (/ (- (acos a)) a)))>
* [enter]simplify:  Simplifying (/ 1 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* * * * [misc]progress:  [ 17 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ 1 (- (acos a))) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ 1 (- (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* * * * [misc]progress:  [ 18 / 46 ] simplifiying candidate #<alt-delta (λ (a) (* (/ 1 (- (acos a))) a))>
* [enter]simplify:  Simplifying (/ 1 (- (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* * * * [misc]progress:  [ 19 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (pow (/ (- (acos a)) a) 1)))>
* * * * [misc]progress:  [ 20 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (exp (log (/ (- (acos a)) a)))))>
* [enter]simplify:  Simplifying (log (/ (- (acos a)) a))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* [exit]simplify:  Simplified to (log (- (/ (acos a) a)))
* [exit]simplify:  Simplified to (log (- (/ (acos a) a)))
* * * * [misc]progress:  [ 21 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (log (exp (/ (- (acos a)) a)))))>
* [enter]simplify:  Simplifying (exp (/ (- (acos a)) a))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* [exit]simplify:  Simplified to (exp (- (/ (acos a) a)))
* [exit]simplify:  Simplified to (exp (- (/ (acos a) a)))
* * * * [misc]progress:  [ 22 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a))) (cbrt (/ (- (acos a)) a)))))>
* [enter]simplify:  Simplifying (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* [exit]simplify:  Simplified to (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a))))
* [exit]simplify:  Simplified to (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a))))
* [enter]simplify:  Simplifying (cbrt (/ (- (acos a)) a))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (7 enodes)
* [exit]simplify:  Simplified to (cbrt (- (/ (acos a) a)))
* [exit]simplify:  Simplified to (cbrt (- (/ (acos a) a)))
* * * * [misc]progress:  [ 23 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (cbrt (* (* (/ (- (acos a)) a) (/ (- (acos a)) a)) (/ (- (acos a)) a)))))>
* [enter]simplify:  Simplifying (* (* (/ (- (acos a)) a) (/ (- (acos a)) a)) (/ (- (acos a)) a))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (52 enodes)
* * [misc]simplify:  iters left: 3 (173 enodes)
* * [misc]simplify:  iters left: 2 (422 enodes)
* [exit]simplify:  Simplified to (* (* (/ (acos a) a) (/ (acos a) a)) (- (/ (acos a) a)))
* [exit]simplify:  Simplified to (* (* (/ (acos a) a) (/ (acos a) a)) (- (/ (acos a) a)))
* * * * [misc]progress:  [ 24 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (sqrt (/ (- (acos a)) a)) (sqrt (/ (- (acos a)) a)))))>
* [enter]simplify:  Simplifying (sqrt (/ (- (acos a)) a))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (7 enodes)
* [exit]simplify:  Simplified to (sqrt (- (/ (acos a) a)))
* [exit]simplify:  Simplified to (sqrt (- (/ (acos a) a)))
* [enter]simplify:  Simplifying (sqrt (/ (- (acos a)) a))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (7 enodes)
* [exit]simplify:  Simplified to (sqrt (- (/ (acos a) a)))
* [exit]simplify:  Simplified to (sqrt (- (/ (acos a) a)))
* * * * [misc]progress:  [ 25 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (- (- (acos a))) (- a))))>
* [enter]simplify:  Simplifying (- (- (acos a)))
* * [misc]simplify:  iters left: 5 (4 enodes)
* [exit]simplify:  Simplified to (acos a)
* [exit]simplify:  Simplified to (acos a)
* [enter]simplify:  Simplifying (- a)
* * [misc]simplify:  iters left: 2 (2 enodes)
* [exit]simplify:  Simplified to (- a)
* [exit]simplify:  Simplified to (- a)
* * * * [misc]progress:  [ 26 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (- (/ 0 a) (/ (acos a) a))))>
* [enter]simplify:  Simplifying (/ 0 a)
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* [enter]simplify:  Simplifying (/ (acos a) a)
* * [misc]simplify:  iters left: 3 (3 enodes)
* [exit]simplify:  Simplified to (/ (acos a) a)
* [exit]simplify:  Simplified to (/ (acos a) a)
* * * * [misc]progress:  [ 27 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* 1 (/ (- (acos a)) a))))>
* * * * [misc]progress:  [ 28 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (- (acos a)) (/ 1 a))))>
* [enter]simplify:  Simplifying (/ 1 a)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ 1 a)
* [exit]simplify:  Simplified to (/ 1 a)
* * * * [misc]progress:  [ 29 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ 1 (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (/ a (- (acos a)))
* * [misc]simplify:  iters left: 5 (4 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 30 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (- (/ (acos a) a))))>
* [enter]simplify:  Simplifying (/ (acos a) a)
* * [misc]simplify:  iters left: 3 (3 enodes)
* [exit]simplify:  Simplified to (/ (acos a) a)
* [exit]simplify:  Simplified to (/ (acos a) a)
* * * * [misc]progress:  [ 31 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (* (cbrt (- (acos a))) (cbrt (- (acos a)))) (/ a (cbrt (- (acos a)))))))>
* [enter]simplify:  Simplifying (/ a (cbrt (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (/ a (cbrt (- (acos a))))
* [exit]simplify:  Simplified to (/ a (cbrt (- (acos a))))
* * * * [misc]progress:  [ 32 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (sqrt (- (acos a))) (/ a (sqrt (- (acos a)))))))>
* [enter]simplify:  Simplifying (/ a (sqrt (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (/ a (sqrt (- (acos a))))
* [exit]simplify:  Simplified to (/ a (sqrt (- (acos a))))
* * * * [misc]progress:  [ 33 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ 1 (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (/ a (- (acos a)))
* * [misc]simplify:  iters left: 5 (4 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 34 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ -1 (/ a (acos a)))))>
* [enter]simplify:  Simplifying (/ a (acos a))
* * [misc]simplify:  iters left: 3 (3 enodes)
* [exit]simplify:  Simplified to (/ a (acos a))
* [exit]simplify:  Simplified to (/ a (acos a))
* * * * [misc]progress:  [ 35 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (- (* (cbrt (acos a)) (cbrt (acos a)))) (/ a (cbrt (acos a))))))>
* [enter]simplify:  Simplifying (/ a (cbrt (acos a)))
* * [misc]simplify:  iters left: 4 (4 enodes)
* [exit]simplify:  Simplified to (/ a (cbrt (acos a)))
* [exit]simplify:  Simplified to (/ a (cbrt (acos a)))
* * * * [misc]progress:  [ 36 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (- (sqrt (acos a))) (/ a (sqrt (acos a))))))>
* [enter]simplify:  Simplifying (/ a (sqrt (acos a)))
* * [misc]simplify:  iters left: 4 (4 enodes)
* [exit]simplify:  Simplified to (/ a (sqrt (acos a)))
* [exit]simplify:  Simplified to (/ a (sqrt (acos a)))
* * * * [misc]progress:  [ 37 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (- 1) (/ a (acos a)))))>
* [enter]simplify:  Simplifying (/ a (acos a))
* * [misc]simplify:  iters left: 3 (3 enodes)
* [exit]simplify:  Simplified to (/ a (acos a))
* [exit]simplify:  Simplified to (/ a (acos a))
* * * * [misc]progress:  [ 38 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (* (cbrt (acos a)) (cbrt (acos a))) (/ a (- (cbrt (acos a)))))))>
* [enter]simplify:  Simplifying (/ a (- (cbrt (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (/ a (- (cbrt (acos a))))
* [exit]simplify:  Simplified to (/ a (- (cbrt (acos a))))
* * * * [misc]progress:  [ 39 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (sqrt (acos a)) (/ a (- (sqrt (acos a)))))))>
* [enter]simplify:  Simplifying (/ a (- (sqrt (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (/ a (- (sqrt (acos a))))
* [exit]simplify:  Simplified to (/ a (- (sqrt (acos a))))
* * * * [misc]progress:  [ 40 / 46 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ 1 (/ a (- (acos a))))))>
* [enter]simplify:  Simplifying (/ a (- (acos a)))
* * [misc]simplify:  iters left: 5 (4 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 41 / 46 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos a))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 42 / 46 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos a))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 43 / 46 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos a))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 44 / 46 ] simplifiying candidate #<alt-event (λ (a) (/ 1 (* -1 (/ (acos a) a))))>
* [enter]simplify:  Simplifying (/ 1 (* -1 (/ (acos a) a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (35 enodes)
* * [misc]simplify:  iters left: 2 (49 enodes)
* * [misc]simplify:  iters left: 1 (62 enodes)
* [exit]simplify:  Simplified to (/ (/ a -1) (acos a))
* * * * [misc]progress:  [ 45 / 46 ] simplifiying candidate #<alt-event (λ (a) (/ 1 (* -1 (/ (acos a) a))))>
* [enter]simplify:  Simplifying (/ 1 (* -1 (/ (acos a) a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (35 enodes)
* * [misc]simplify:  iters left: 2 (49 enodes)
* * [misc]simplify:  iters left: 1 (62 enodes)
* [exit]simplify:  Simplified to (/ (/ a -1) (acos a))
* * * * [misc]progress:  [ 46 / 46 ] simplifiying candidate #<alt-event (λ (a) (/ 1 (* -1 (/ (acos a) a))))>
* [enter]simplify:  Simplifying (/ 1 (* -1 (/ (acos a) a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (35 enodes)
* * [misc]simplify:  iters left: 2 (49 enodes)
* * [misc]simplify:  iters left: 1 (62 enodes)
* [exit]simplify:  Simplified to (/ (/ a -1) (acos a))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 3 / 4
* * * [misc]progress:  picking best candidate
"ALT DATA: "{"all-alts":["#<alt-delta (λ (a) (/ 1 (* (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a))) (cbrt (/ (- (acos a)) a)))))>","#<alt-delta (λ (a) (* (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a))))) (cbrt (/ a (- (acos a))))))>","#<alt-delta (λ (a) (/ 1 (cbrt (* (* (/ (acos a) a) (/ (acos a) a)) (- (/ (acos a) a))))))>","#<alt-delta (λ (a) (cbrt (/ (/ a (/ (acos a) a)) (* (- (acos a)) (/ (acos a) a)))))>","#<alt-delta (λ (a) (* (sqrt (/ a (- (acos a)))) (sqrt (/ a (- (acos a))))))>","#<alt-delta (λ (a) (/ (/ 1 (sqrt (/ (- (acos a)) a))) (sqrt (/ (- (acos a)) a))))>","#<alt-event (λ (a) (/ a (- (acos a))))>","#<alt-delta (λ (a) (/ 1 (/ (- (acos a)) a)))>","#<alt-delta (λ (a) (/ (/ 1 (- (acos a))) (/ 1 a)))>","#<alt-delta (λ (a) (/ 1 (* (- (acos a)) (/ 1 a))))>"],"best-fresh-alt-per-point":[[[5.706174991628051e-294],0,0],[[-2.0075913201092103e-110],0,0],[[3.669186107808967e-292],6,0],[[7.17939675829627e-158],1,0],[[1.7255846811749406e-291],7,0],[[-4.3156972913392805e-297],4,0],[[2.339761031458555e-169],0,0],[[8.23935440322281e-255],6,0],[[-6.993566496172953e-149],5,0],[[-1.8008197600788473e-210],4,0],[[2.0474783165414538e-126],6,1.0],[[5.5609724703152094e-123],6,0],[[4.871284163370267e-185],0,1.0],[[1.9117791443554203e-134],0,0],[[-1.1788306068444453e-175],0,0],[[-7.2672182309421e-153],5,0],[[-5.600514306056783e-289],6,0],[[-3.4507996665333636e-44],3,0],[[7.4751406322111975e-208],6,0],[[7.348751680152543e-306],6,0],[[5.656765710936691e-76],0,0],[[1.961831527193424e-60],1,0],[[-1.0262805742626176e-88],0,0],[[7.655606647706524e-307],0,0],[[-3.4535699470035837e-158],5,0],[[-1.0089466879026102e-120],7,0],[[-8.150217400699526e-187],1,0],[[-7.328272485377685e-51],6,0],[[-5.600850699676017e-216],5,0],[[-4.569457869050411e-204],0,0],[[1.6703871447091801e-184],0,1.0],[[3.294798454877577e-109],1,1.0],[[-2.5842611121723686e-83],4,0],[[3.6553350706241625e-209],6,0],[[5.073224629669749e-209],0,0],[[-1.2641746276125557e-259],4,0],[[-6.168869222825437e-92],1,0],[[-4.977701482488331e-274],1,1.0],[[2.2777945340735493e-276],6,0],[[3.043685036732137e-200],1,1.0],[[1.4920285944075702e-53],6,0],[[-1.738586776813829e-222],6,0],[[4.493452818771822e-125],6,0],[[-1.980605354536306e-231],6,0],[[1.4342996382753786e-68],2,0],[[1.0963301159009184e-183],6,0],[[8.895467702359268e-17],6,0],[[-9.062606466177737e-237],1,0],[[-1.3688696209191408e-102],2,0],[[-2.0036982767287855e-282],6,0],[[-1.7089084754270419e-12],1,0],[[-9.164501627196514e-190],4,0],[[-5.450210145640886e-309],1,0],[[2.8321391439452527e-177],6,0],[[1.0865881933967427e-239],0,0],[[1.0321884324238089e-204],1,0],[[3.468363920687483e-275],7,0],[[9.235058182301351e-298],6,0],[[1.3508330812519037e-42],2,0],[[-7.643304163425191e-132],4,0],[[3.258549790458107e-45],2,0],[[2.1316535898912934e-76],7,0],[[2.2420303907903802e-68],6,0],[[-4.147815060644267e-269],0,0],[[-1.5885079051767335e-90],4,0],[[-3.969894456140893e-15],2,0],[[5.776745162887772e-81],3,0],[[9.383817895669287e-283],6,0],[[3.611278323934413e-94],2,0],[[-6.602809642561733e-223],5,0],[[1.4448618247603424e-257],6,0],[[3.706054342154294e-129],6,0],[[7.195448856340728e-141],7,0],[[-4.510161549039838e-214],0,0],[[2.809919074811328e-300],1,0],[[2.1859104172563636e-264],6,1.0],[[-1.6313740517107182e-227],4,0],[[-7.512222795104406e-168],0,0],[[-2.191896168863437e-98],2,0],[[-3.3925149777052834e-63],3,0],[[8.359355849775862e-16],7,0],[[-1.3274409717698955e-301],6,0],[[-7.543647802930883e-65],1,0],[[4.6811315760090616e-144],6,0],[[1.046624167704608e-163],6,0],[[-1.3964572346787755e-152],6,0],[[-7.807986006964459e-172],6,0],[[-4.519595929536516e-229],0,1.0],[[-1.3448163575524206e-16],0,0],[[-1.423542426143039e-129],4,0],[[5.903833024524204e-224],1,0],[[6.75061600976492e-09],1,0],[[-6.990575505691825e-293],0,1.0],[[-1.0183335489303076e-199],1,1.0],[[-2.915269426177489e-188],4,0],[[6.509917256919526e-155],0,0],[[-1.235130140170164e-126],0,0],[[2.0740305822111617e-302],1,0],[[-3.7138781240413885e-204],1,0],[[-7.263550849085613e-27],2,0],[[5.582278109308679e-72],0,0],[[-9.324073911343234e-97],0,0],[[2.480190476546545e-246],0,1.0],[[7.542398567020551e-205],0,0],[[3.211003609332114e-292],0,0],[[-2.9988557709871706e-297],7,0],[[-3.841622556722524e-66],1,0],[[4.607613593823294e-213],0,0],[[-1.1204577574966285e-246],4,0],[[-4.921050894675189e-140],5,0],[[2.0974429565133816e-215],0,0],[[1.51646550817889e-257],6,0],[[-0.0007363022252445651],0,0],[[-5.624997011130711e-126],1,0],[[1.1988791635038015e-56],3,0],[[3.50550012204851e-33],2,0],[[-3.1472164561505567e-59],2,0],[[-8.05737758242569e-91],3,0],[[1.0057242501199301e-254],7,0],[[-3.222264666704597e-210],6,0],[[1.099315532911349e-23],1,0],[[-7.586221492885147e-139],4,0],[[3.224104279734413e-128],0,1.0],[[-6.394924897500658e-104],4,0],[[-1.3489282606511781e-35],2,0],[[2.45682697544046e-235],6,0],[[-1.0726845205664223e-63],0,0],[[5.394314721089183e-302],6,1.0],[[-3.023055730501428e-23],3,0],[[-1.175878359064847e-77],3,0],[[-3.9529958064865946e-264],6,0],[[2.3993845233584173e-107],1,0],[[-1.3908305214282044e-154],0,0],[[-3.7981733760926524e-59],0,0],[[3.6070289902878433e-298],7,0],[[-6.59522455933465e-44],3,0],[[9.732025433837372e-298],1,1.0],[[4.717376995390811e-229],6,0],[[-1.7808212315293658e-267],4,0],[[-4.3402484094339546e-98],3,0],[[-3.8472878924535176e-69],3,0],[[-1.0752803839894087e-102],3,0],[[-2.4043032639901138e-220],4,0],[[7.317333208039203e-135],0,0],[[-3.5874867218821053e-289],6,0],[[7.51766164914667e-83],1,0],[[1.2494134226790036e-90],0,0],[[5.2370439997769816e-251],6,0],[[3.8297412694520027e-72],6,0],[[-6.728931476030476e-220],5,0],[[9.751429336071956e-111],0,0],[[3.4632829335752192e-251],6,0],[[-5.571648378152749e-24],2,0],[[-1.5013788162994641e-139],6,0],[[-3.3947387264781975e-158],0,0],[[2.9019277223709396e-286],1,0],[[9.13881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(a) (/ 1 (* (- (acos a)) (/ 1 a))))"}* * * * [misc]pick:  Picked  #<alt-delta (λ (a) (/ 1 (* (- (acos a)) (/ 1 a))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2 2)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2 2)
* [misc]approximate:  Taking taylor expansion of (* (- (acos a)) (/ 1 a)) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (* (- (acos a)) (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (- (acos a)) (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (* (- (acos a)) 1) into (* -1 (acos a))
* [misc]backup-simplify:  Simplify (* -1 (acos a)) into (* -1 (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos a)) 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos a)) 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos a)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (* -1 (acos a)) (/ 1 a)) into (* -1 (/ (acos a) a))
* [misc]approximate:  Taking taylor expansion of (* (- (acos (/ 1 a))) (/ 1 (/ 1 a))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (* (- (acos (/ 1 a))) (/ 1 (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (- (acos (/ 1 a))) (/ 1 (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (* (- (acos (/ 1 a))) 1) into (* -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (* -1 (acos (/ 1 a))) into (* -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ 1 a))) 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ 1 a))) 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ 1 a))) 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ 1 a))) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ 1 a))) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ 1 a))) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (* -1 (acos (/ 1 (/ 1 a)))) (/ 1 a)) into (* -1 (/ (acos a) a))
* [misc]approximate:  Taking taylor expansion of (* (- (acos (/ 1 (- a)))) (/ 1 (/ 1 (- a)))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (* (- (acos (/ 1 (- a)))) (/ 1 (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 (- a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (- (acos (/ 1 (- a)))) (/ 1 (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 (- a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (* (- (acos (/ -1 a))) -1) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (acos (/ -1 a)) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ -1 a))) 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ -1 a))) 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ -1 a))) 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ -1 a))) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ -1 a))) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ -1 a))) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (acos (/ -1 (/ 1 (- a)))) (/ 1 (- a))) into (* -1 (/ (acos a) a))
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (/ 1 (* (- (acos a)) (/ 1 a))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (* (- (acos a)) (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (* (- (acos a)) (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (* (- (acos a)) 1) into (* -1 (acos a))
* [misc]backup-simplify:  Simplify (/ 1 (* -1 (acos a))) into (/ -1 (acos a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (* (- (acos a)) (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (* (- (acos a)) (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (* (- (acos a)) 1) into (* -1 (acos a))
* [misc]backup-simplify:  Simplify (/ 1 (* -1 (acos a))) into (/ -1 (acos a))
* [misc]backup-simplify:  Simplify (/ -1 (acos a)) into (/ -1 (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos a)) 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (* -1 (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos a)) 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos a)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))) (* 0 (/ 0 (* -1 (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
* [misc]approximate:  Taking taylor expansion of (/ 1 (* (- (acos (/ 1 a))) (/ 1 (/ 1 a)))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (* (- (acos (/ 1 a))) (/ 1 (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (* (- (acos (/ 1 a))) (/ 1 (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (* (- (acos (/ 1 a))) 1) into (* -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (* -1 (acos (/ 1 a)))) into (/ -1 (acos (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (/ 1 (* (- (acos (/ 1 a))) (/ 1 (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (* (- (acos (/ 1 a))) (/ 1 (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (* (- (acos (/ 1 a))) 1) into (* -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (* -1 (acos (/ 1 a)))) into (/ -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ 1 a))) 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (* -1 (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ 1 a))) 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ 1 a))) 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ 1 a))) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ 1 a))) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ 1 a))) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))) (* 0 (/ 0 (* -1 (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
* [misc]approximate:  Taking taylor expansion of (/ 1 (* (- (acos (/ 1 (- a)))) (/ 1 (/ 1 (- a))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (* (- (acos (/ 1 (- a)))) (/ 1 (/ 1 (- a))))) in a
* [misc]taylor:  Taking taylor expansion of (* (- (acos (/ 1 (- a)))) (/ 1 (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 (- a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (* (- (acos (/ -1 a))) -1) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
* [misc]taylor:  Taking taylor expansion of (/ 1 (* (- (acos (/ 1 (- a)))) (/ 1 (/ 1 (- a))))) in a
* [misc]taylor:  Taking taylor expansion of (* (- (acos (/ 1 (- a)))) (/ 1 (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 (- a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (* (- (acos (/ -1 a))) -1) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ -1 a))) 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ -1 a))) 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ -1 a))) 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ -1 a))) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1))))) into 0
* [misc]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
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ -1 a))) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1)))))) into 0
* [misc]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
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- (acos (/ -1 a))) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1))))))) into 0
* [misc]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
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (pow (* (- (acos a)) (/ 1 a)) 1)))>
* [enter]simplify:  Simplifying (* (- (acos a)) (/ 1 a))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* * [misc]simplify:  iters left: 2 (47 enodes)
* * [misc]simplify:  iters left: 1 (71 enodes)
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* * * * [misc]progress:  [ 2 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (pow (* (- (acos a)) (/ 1 a)) 1)))>
* * * * [misc]progress:  [ 3 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (exp (+ (log (- (acos a))) (log (/ 1 a))))))>
* [enter]simplify:  Simplifying (+ (log (- (acos a))) (log (/ 1 a)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (66 enodes)
* * [misc]simplify:  iters left: 1 (281 enodes)
* [exit]simplify:  Simplified to (- (log (- (acos a))) (log a))
* [exit]simplify:  Simplified to (- (log (- (acos a))) (log a))
* * * * [misc]progress:  [ 4 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (exp (log (* (- (acos a)) (/ 1 a))))))>
* [enter]simplify:  Simplifying (log (* (- (acos a)) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (34 enodes)
* * [misc]simplify:  iters left: 3 (72 enodes)
* * [misc]simplify:  iters left: 2 (117 enodes)
* * [misc]simplify:  iters left: 1 (202 enodes)
* [exit]simplify:  Simplified to (log (- (/ (acos a) a)))
* [exit]simplify:  Simplified to (log (- (/ (acos a) a)))
* * * * [misc]progress:  [ 5 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (log (exp (* (- (acos a)) (/ 1 a))))))>
* [enter]simplify:  Simplifying (exp (* (- (acos a)) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (63 enodes)
* * [misc]simplify:  iters left: 2 (100 enodes)
* * [misc]simplify:  iters left: 1 (138 enodes)
* [exit]simplify:  Simplified to (pow (exp (/ 1 a)) (- (acos a)))
* [exit]simplify:  Simplified to (pow (exp (/ 1 a)) (- (acos a)))
* * * * [misc]progress:  [ 6 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (cbrt (* (* (* (- (acos a)) (- (acos a))) (- (acos a))) (* (* (/ 1 a) (/ 1 a)) (/ 1 a))))))>
* [enter]simplify:  Simplifying (* (* (* (- (acos a)) (- (acos a))) (- (acos a))) (* (* (/ 1 a) (/ 1 a)) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (32 enodes)
* * [misc]simplify:  iters left: 4 (106 enodes)
* * [misc]simplify:  iters left: 3 (349 enodes)
* [exit]simplify:  Simplified to (* (/ (- (acos a)) a) (/ (* (acos a) (acos a)) (* a a)))
* [exit]simplify:  Simplified to (* (/ (- (acos a)) a) (/ (* (acos a) (acos a)) (* a a)))
* * * * [misc]progress:  [ 7 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (* (cbrt (* (- (acos a)) (/ 1 a))) (cbrt (* (- (acos a)) (/ 1 a)))) (cbrt (* (- (acos a)) (/ 1 a))))))>
* [enter]simplify:  Simplifying (* (cbrt (* (- (acos a)) (/ 1 a))) (cbrt (* (- (acos a)) (/ 1 a))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (49 enodes)
* * [misc]simplify:  iters left: 2 (68 enodes)
* * [misc]simplify:  iters left: 1 (94 enodes)
* [exit]simplify:  Simplified to (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a))))
* [exit]simplify:  Simplified to (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a))))
* [enter]simplify:  Simplifying (cbrt (* (- (acos a)) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (48 enodes)
* * [misc]simplify:  iters left: 2 (67 enodes)
* * [misc]simplify:  iters left: 1 (95 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (- (acos a)) a))
* [exit]simplify:  Simplified to (cbrt (/ (- (acos a)) a))
* * * * [misc]progress:  [ 8 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (cbrt (* (* (* (- (acos a)) (/ 1 a)) (* (- (acos a)) (/ 1 a))) (* (- (acos a)) (/ 1 a))))))>
* [enter]simplify:  Simplifying (* (* (* (- (acos a)) (/ 1 a)) (* (- (acos a)) (/ 1 a))) (* (- (acos a)) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (83 enodes)
* * [misc]simplify:  iters left: 3 (313 enodes)
* [exit]simplify:  Simplified to (* (- (/ (acos a) a)) (* (/ (acos a) a) (/ (acos a) a)))
* [exit]simplify:  Simplified to (* (- (/ (acos a) a)) (* (/ (acos a) a) (/ (acos a) a)))
* * * * [misc]progress:  [ 9 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (sqrt (* (- (acos a)) (/ 1 a))) (sqrt (* (- (acos a)) (/ 1 a))))))>
* [enter]simplify:  Simplifying (sqrt (* (- (acos a)) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (48 enodes)
* * [misc]simplify:  iters left: 2 (67 enodes)
* * [misc]simplify:  iters left: 1 (95 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- (acos a)) a))
* [exit]simplify:  Simplified to (sqrt (/ (- (acos a)) a))
* [enter]simplify:  Simplifying (sqrt (* (- (acos a)) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (48 enodes)
* * [misc]simplify:  iters left: 2 (67 enodes)
* * [misc]simplify:  iters left: 1 (95 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- (acos a)) a))
* [exit]simplify:  Simplified to (sqrt (/ (- (acos a)) a))
* * * * [misc]progress:  [ 10 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* 1 (* (- (acos a)) (/ 1 a)))))>
* * * * [misc]progress:  [ 11 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (- (acos a)) a)))>
* * * * [misc]progress:  [ 12 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (- (* (acos a) (/ 1 a)))))>
* [enter]simplify:  Simplifying (* (acos a) (/ 1 a))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (17 enodes)
* * [misc]simplify:  iters left: 1 (22 enodes)
* [exit]simplify:  Simplified to (/ (acos a) a)
* [exit]simplify:  Simplified to (/ (acos a) a)
* * * * [misc]progress:  [ 13 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (* (- (acos a)) (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))) (cbrt (/ 1 a)))))>
* [enter]simplify:  Simplifying (* (- (acos a)) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (35 enodes)
* * [misc]simplify:  iters left: 2 (40 enodes)
* [exit]simplify:  Simplified to (* (* (cbrt (/ 1 a)) (- (acos a))) (cbrt (/ 1 a)))
* [exit]simplify:  Simplified to (* (* (cbrt (/ 1 a)) (- (acos a))) (cbrt (/ 1 a)))
* * * * [misc]progress:  [ 14 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (* (- (acos a)) (sqrt (/ 1 a))) (sqrt (/ 1 a)))))>
* [enter]simplify:  Simplifying (* (- (acos a)) (sqrt (/ 1 a)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (16 enodes)
* * [misc]simplify:  iters left: 2 (17 enodes)
* [exit]simplify:  Simplified to (* (sqrt (/ 1 a)) (- (acos a)))
* [exit]simplify:  Simplified to (* (sqrt (/ 1 a)) (- (acos a)))
* * * * [misc]progress:  [ 15 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (* (- (acos a)) 1) (/ 1 a))))>
* [enter]simplify:  Simplifying (* (- (acos a)) 1)
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (20 enodes)
* * [misc]simplify:  iters left: 1 (26 enodes)
* [exit]simplify:  Simplified to (- (acos a))
* [exit]simplify:  Simplified to (- (acos a))
* * * * [misc]progress:  [ 16 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (* (- (acos a)) 1) (/ 1 a))))>
* [enter]simplify:  Simplifying (* (- (acos a)) 1)
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (20 enodes)
* * [misc]simplify:  iters left: 1 (26 enodes)
* [exit]simplify:  Simplified to (- (acos a))
* [exit]simplify:  Simplified to (- (acos a))
* * * * [misc]progress:  [ 17 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (* (cbrt (- (acos a))) (cbrt (- (acos a)))) (* (cbrt (- (acos a))) (/ 1 a)))))>
* [enter]simplify:  Simplifying (* (cbrt (- (acos a))) (/ 1 a))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- (acos a))) a)
* [exit]simplify:  Simplified to (/ (cbrt (- (acos a))) a)
* * * * [misc]progress:  [ 18 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (sqrt (- (acos a))) (* (sqrt (- (acos a))) (/ 1 a)))))>
* [enter]simplify:  Simplifying (* (sqrt (- (acos a))) (/ 1 a))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- (acos a))) a)
* [exit]simplify:  Simplified to (/ (sqrt (- (acos a))) a)
* * * * [misc]progress:  [ 19 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* 1 (* (- (acos a)) (/ 1 a)))))>
* [enter]simplify:  Simplifying (* (- (acos a)) (/ 1 a))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* * [misc]simplify:  iters left: 2 (47 enodes)
* * [misc]simplify:  iters left: 1 (71 enodes)
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* * * * [misc]progress:  [ 20 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* -1 (* (acos a) (/ 1 a)))))>
* [enter]simplify:  Simplifying (* (acos a) (/ 1 a))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (17 enodes)
* * [misc]simplify:  iters left: 1 (22 enodes)
* [exit]simplify:  Simplified to (/ (acos a) a)
* [exit]simplify:  Simplified to (/ (acos a) a)
* * * * [misc]progress:  [ 21 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (- (* (cbrt (acos a)) (cbrt (acos a)))) (* (cbrt (acos a)) (/ 1 a)))))>
* [enter]simplify:  Simplifying (* (cbrt (acos a)) (/ 1 a))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (18 enodes)
* * [misc]simplify:  iters left: 1 (23 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (acos a)) a)
* [exit]simplify:  Simplified to (/ (cbrt (acos a)) a)
* * * * [misc]progress:  [ 22 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (- (sqrt (acos a))) (* (sqrt (acos a)) (/ 1 a)))))>
* [enter]simplify:  Simplifying (* (sqrt (acos a)) (/ 1 a))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (18 enodes)
* * [misc]simplify:  iters left: 1 (23 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (acos a)) a)
* [exit]simplify:  Simplified to (/ (sqrt (acos a)) a)
* * * * [misc]progress:  [ 23 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (- 1) (* (acos a) (/ 1 a)))))>
* [enter]simplify:  Simplifying (* (acos a) (/ 1 a))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (17 enodes)
* * [misc]simplify:  iters left: 1 (22 enodes)
* [exit]simplify:  Simplified to (/ (acos a) a)
* [exit]simplify:  Simplified to (/ (acos a) a)
* * * * [misc]progress:  [ 24 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (* (cbrt (acos a)) (cbrt (acos a))) (* (- (cbrt (acos a))) (/ 1 a)))))>
* [enter]simplify:  Simplifying (* (- (cbrt (acos a))) (/ 1 a))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (48 enodes)
* * [misc]simplify:  iters left: 2 (67 enodes)
* * [misc]simplify:  iters left: 1 (95 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (acos a)) (/ a (- 1)))
* [exit]simplify:  Simplified to (/ (cbrt (acos a)) (/ a (- 1)))
* * * * [misc]progress:  [ 25 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (sqrt (acos a)) (* (- (sqrt (acos a))) (/ 1 a)))))>
* [enter]simplify:  Simplifying (* (- (sqrt (acos a))) (/ 1 a))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (48 enodes)
* * [misc]simplify:  iters left: 2 (67 enodes)
* * [misc]simplify:  iters left: 1 (95 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (acos a)) (/ a (- 1)))
* [exit]simplify:  Simplified to (/ (sqrt (acos a)) (/ a (- 1)))
* * * * [misc]progress:  [ 26 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* 1 (* (- (acos a)) (/ 1 a)))))>
* [enter]simplify:  Simplifying (* (- (acos a)) (/ 1 a))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* * [misc]simplify:  iters left: 2 (47 enodes)
* * [misc]simplify:  iters left: 1 (71 enodes)
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* * * * [misc]progress:  [ 27 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (* (- (acos a)) 1) a)))>
* [enter]simplify:  Simplifying (* (- (acos a)) 1)
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (20 enodes)
* * [misc]simplify:  iters left: 1 (26 enodes)
* [exit]simplify:  Simplified to (- (acos a))
* [exit]simplify:  Simplified to (- (acos a))
* * * * [misc]progress:  [ 28 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (/ 1 a) (- (acos a)))))>
* * * * [misc]progress:  [ 29 / 52 ] simplifiying candidate #<alt-delta (λ (a) (pow (* (- (acos a)) (/ 1 a)) -1))>
* * * * [misc]progress:  [ 30 / 52 ] simplifiying candidate #<alt-delta (λ (a) (pow (* (- (acos a)) (/ 1 a)) (- 1)))>
* [enter]simplify:  Simplifying (- 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (- 1)
* [exit]simplify:  Simplified to (- 1)
* * * * [misc]progress:  [ 31 / 52 ] simplifiying candidate #<alt-delta (λ (a) (pow (* (- (acos a)) (/ 1 a)) (- 1)))>
* [enter]simplify:  Simplifying (- 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (- 1)
* [exit]simplify:  Simplified to (- 1)
* * * * [misc]progress:  [ 32 / 52 ] simplifiying candidate #<alt-delta (λ (a) (pow (/ 1 (* (- (acos a)) (/ 1 a))) 1))>
* * * * [misc]progress:  [ 33 / 52 ] simplifiying candidate #<alt-delta (λ (a) (exp (- (+ (log (- (acos a))) (log (/ 1 a))))))>
* [enter]simplify:  Simplifying (- (+ (log (- (acos a))) (log (/ 1 a))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (39 enodes)
* * [misc]simplify:  iters left: 2 (67 enodes)
* * [misc]simplify:  iters left: 1 (221 enodes)
* [exit]simplify:  Simplified to (- (log a) (log (- (acos a))))
* [exit]simplify:  Simplified to (- (log a) (log (- (acos a))))
* * * * [misc]progress:  [ 34 / 52 ] simplifiying candidate #<alt-delta (λ (a) (exp (- (log (* (- (acos a)) (/ 1 a))))))>
* [enter]simplify:  Simplifying (- (log (* (- (acos a)) (/ 1 a))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (78 enodes)
* * [misc]simplify:  iters left: 2 (131 enodes)
* * [misc]simplify:  iters left: 1 (241 enodes)
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* * * * [misc]progress:  [ 35 / 52 ] simplifiying candidate #<alt-delta (λ (a) (exp (log (/ 1 (* (- (acos a)) (/ 1 a))))))>
* [enter]simplify:  Simplifying (log (/ 1 (* (- (acos a)) (/ 1 a))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (46 enodes)
* * [misc]simplify:  iters left: 3 (109 enodes)
* * [misc]simplify:  iters left: 2 (235 enodes)
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* * * * [misc]progress:  [ 36 / 52 ] simplifiying candidate #<alt-delta (λ (a) (log (exp (/ 1 (* (- (acos a)) (/ 1 a))))))>
* [enter]simplify:  Simplifying (exp (/ 1 (* (- (acos a)) (/ 1 a))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (71 enodes)
* * [misc]simplify:  iters left: 2 (113 enodes)
* * [misc]simplify:  iters left: 1 (171 enodes)
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* * * * [misc]progress:  [ 37 / 52 ] simplifiying candidate #<alt-delta (λ (a) (* (* (cbrt (/ 1 (* (- (acos a)) (/ 1 a)))) (cbrt (/ 1 (* (- (acos a)) (/ 1 a))))) (cbrt (/ 1 (* (- (acos a)) (/ 1 a))))))>
* [enter]simplify:  Simplifying (* (cbrt (/ 1 (* (- (acos a)) (/ 1 a)))) (cbrt (/ 1 (* (- (acos a)) (/ 1 a)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (33 enodes)
* * [misc]simplify:  iters left: 3 (68 enodes)
* * [misc]simplify:  iters left: 2 (115 enodes)
* * [misc]simplify:  iters left: 1 (168 enodes)
* [exit]simplify:  Simplified to (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
* [exit]simplify:  Simplified to (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
* [enter]simplify:  Simplifying (cbrt (/ 1 (* (- (acos a)) (/ 1 a))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (67 enodes)
* * [misc]simplify:  iters left: 2 (114 enodes)
* * [misc]simplify:  iters left: 1 (172 enodes)
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 38 / 52 ] simplifiying candidate #<alt-delta (λ (a) (cbrt (* (* (/ 1 (* (- (acos a)) (/ 1 a))) (/ 1 (* (- (acos a)) (/ 1 a)))) (/ 1 (* (- (acos a)) (/ 1 a))))))>
* [enter]simplify:  Simplifying (* (* (/ 1 (* (- (acos a)) (/ 1 a))) (/ 1 (* (- (acos a)) (/ 1 a)))) (/ 1 (* (- (acos a)) (/ 1 a))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (70 enodes)
* * [misc]simplify:  iters left: 3 (354 enodes)
* [exit]simplify:  Simplified to (/ (/ a (- (acos a))) (* (/ (acos a) a) (/ (acos a) a)))
* [exit]simplify:  Simplified to (/ (/ a (- (acos a))) (* (/ (acos a) a) (/ (acos a) a)))
* * * * [misc]progress:  [ 39 / 52 ] simplifiying candidate #<alt-delta (λ (a) (* (sqrt (/ 1 (* (- (acos a)) (/ 1 a)))) (sqrt (/ 1 (* (- (acos a)) (/ 1 a))))))>
* [enter]simplify:  Simplifying (sqrt (/ 1 (* (- (acos a)) (/ 1 a))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (67 enodes)
* * [misc]simplify:  iters left: 2 (114 enodes)
* * [misc]simplify:  iters left: 1 (172 enodes)
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [enter]simplify:  Simplifying (sqrt (/ 1 (* (- (acos a)) (/ 1 a))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (67 enodes)
* * [misc]simplify:  iters left: 2 (114 enodes)
* * [misc]simplify:  iters left: 1 (172 enodes)
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 40 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ (- 1) (- (* (- (acos a)) (/ 1 a)))))>
* [enter]simplify:  Simplifying (- 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (- 1)
* [exit]simplify:  Simplified to (- 1)
* [enter]simplify:  Simplifying (- (* (- (acos a)) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (45 enodes)
* * [misc]simplify:  iters left: 3 (58 enodes)
* * [misc]simplify:  iters left: 2 (95 enodes)
* * [misc]simplify:  iters left: 1 (107 enodes)
* [exit]simplify:  Simplified to (/ (acos a) a)
* [exit]simplify:  Simplified to (/ (acos a) a)
* * * * [misc]progress:  [ 41 / 52 ] simplifiying candidate #<alt-delta (λ (a) (* 1 (/ 1 (* (- (acos a)) (/ 1 a)))))>
* * * * [misc]progress:  [ 42 / 52 ] simplifiying candidate #<alt-delta (λ (a) (* 1 (/ 1 (* (- (acos a)) (/ 1 a)))))>
* [enter]simplify:  Simplifying (/ 1 (* (- (acos a)) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (66 enodes)
* * [misc]simplify:  iters left: 2 (108 enodes)
* * [misc]simplify:  iters left: 1 (164 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 43 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (* (- (acos a)) (/ 1 a)) 1)))>
* [enter]simplify:  Simplifying (/ (* (- (acos a)) (/ 1 a)) 1)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (65 enodes)
* * [misc]simplify:  iters left: 2 (95 enodes)
* * [misc]simplify:  iters left: 1 (152 enodes)
* [exit]simplify:  Simplified to (/ (- (acos a)) a)
* [exit]simplify:  Simplified to (/ (- (acos a)) a)
* * * * [misc]progress:  [ 44 / 52 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ 1 (- (acos a))) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ 1 (- (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* * * * [misc]progress:  [ 45 / 52 ] simplifiying candidate #<alt-delta (λ (a) (* (/ 1 (- (acos a))) a))>
* [enter]simplify:  Simplifying (/ 1 (- (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* * * * [misc]progress:  [ 46 / 52 ] simplifiying candidate #<alt-delta (λ (a) (* (/ 1 (* (- (acos a)) 1)) a))>
* [enter]simplify:  Simplifying (/ 1 (* (- (acos a)) 1))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (31 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* * * * [misc]progress:  [ 47 / 52 ] simplifiying candidate #<alt-event (λ (a) (/ 1 (* -1 (/ (acos a) a))))>
* [enter]simplify:  Simplifying (/ 1 (* -1 (/ (acos a) a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (35 enodes)
* * [misc]simplify:  iters left: 2 (49 enodes)
* * [misc]simplify:  iters left: 1 (62 enodes)
* [exit]simplify:  Simplified to (/ (/ a -1) (acos a))
* * * * [misc]progress:  [ 48 / 52 ] simplifiying candidate #<alt-event (λ (a) (/ 1 (* -1 (/ (acos a) a))))>
* [enter]simplify:  Simplifying (/ 1 (* -1 (/ (acos a) a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (35 enodes)
* * [misc]simplify:  iters left: 2 (49 enodes)
* * [misc]simplify:  iters left: 1 (62 enodes)
* [exit]simplify:  Simplified to (/ (/ a -1) (acos a))
* * * * [misc]progress:  [ 49 / 52 ] simplifiying candidate #<alt-event (λ (a) (/ 1 (* -1 (/ (acos a) a))))>
* [enter]simplify:  Simplifying (/ 1 (* -1 (/ (acos a) a)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (35 enodes)
* * [misc]simplify:  iters left: 2 (49 enodes)
* * [misc]simplify:  iters left: 1 (62 enodes)
* [exit]simplify:  Simplified to (/ (/ a -1) (acos a))
* * * * [misc]progress:  [ 50 / 52 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos a))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 51 / 52 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos a))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 52 / 52 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos a))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 4 / 4
* * * [misc]progress:  picking best candidate
"ALT DATA: "{"all-alts":["#<alt-delta (λ (a) (/ 1 (* (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a))) (cbrt (/ (- (acos a)) a)))))>","#<alt-delta (λ (a) (* (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a))))) (cbrt (/ a (- (acos a))))))>","#<alt-delta (λ (a) (/ 1 (cbrt (* (* (/ (acos a) a) (/ (acos a) a)) (- (/ (acos a) a))))))>","#<alt-delta (λ (a) (cbrt (/ (/ a (/ (acos a) a)) (* (- (acos a)) (/ (acos a) a)))))>","#<alt-delta (λ (a) (* (sqrt (/ a (- (acos a)))) (sqrt (/ a (- (acos a))))))>","#<alt-delta (λ (a) (/ (/ 1 (sqrt (/ (- (acos a)) a))) (sqrt (/ (- (acos a)) a))))>","#<alt-event (λ (a) (/ a (- (acos a))))>","#<alt-delta (λ (a) (/ 1 (/ (- (acos a)) a)))>","#<alt-delta (λ (a) (/ (/ 1 (- (acos a))) (/ 1 a)))>","#<alt-delta (λ (a) (/ 1 (* (- (acos a)) (/ 1 a))))>","#<alt-delta (λ (a) (/ 1 (cbrt (* (/ (- (acos a)) a) (/ (* (acos a) (acos a)) (* a a))))))>"],"best-fresh-alt-per-point":[[[5.706174991628051e-294],0,0],[[-2.0075913201092103e-110],0,0],[[3.669186107808967e-292],6,0],[[7.17939675829627e-158],1,0],[[1.7255846811749406e-291],6,1.0],[[-4.3156972913392805e-297],4,0],[[2.339761031458555e-169],0,0],[[8.23935440322281e-255],6,0],[[-6.993566496172953e-149],5,0],[[-1.8008197600788473e-210],4,0],[[2.0474783165414538e-126],6,1.0],[[5.5609724703152094e-123],6,0],[[4.871284163370267e-185],0,1.0],[[1.9117791443554203e-134],0,0],[[-1.1788306068444453e-175],0,0],[[-7.2672182309421e-153],5,0],[[-5.600514306056783e-289],6,0],[[-3.4507996665333636e-44],3,0],[[7.4751406322111975e-208],6,0],[[7.348751680152543e-306],6,0],[[5.656765710936691e-76],0,0],[[1.961831527193424e-60],1,0],[[-1.0262805742626176e-88],0,0],[[7.655606647706524e-307],0,0],[[-3.4535699470035837e-158],5,0],[[-1.0089466879026102e-120],0,1.0],[[-8.150217400699526e-187],1,0],[[-7.328272485377685e-51],6,0],[[-5.600850699676017e-216],5,0],[[-4.569457869050411e-204],0,0],[[1.6703871447091801e-184],0,1.0],[[3.294798454877577e-109],1,1.0],[[-2.5842611121723686e-83],4,0],[[3.6553350706241625e-209],6,0],[[5.073224629669749e-209],0,0],[[-1.2641746276125557e-259],4,0],[[-6.168869222825437e-92],1,0],[[-4.977701482488331e-274],1,1.0],[[2.2777945340735493e-276],6,0],[[3.043685036732137e-200],1,1.0],[[1.4920285944075702e-53],6,0],[[-1.738586776813829e-222],6,0],[[4.493452818771822e-125],6,0],[[-1.980605354536306e-231],6,0],[[1.4342996382753786e-68],2,0],[[1.0963301159009184e-183],6,0],[[8.895467702359268e-17],6,0],[[-9.062606466177737e-237],1,0],[[-1.3688696209191408e-102],2,0],[[-2.0036982767287855e-282],6,0],[[-1.7089084754270419e-12],1,0],[[-9.164501627196514e-190],4,0],[[-5.450210145640886e-309],1,0],[[2.8321391439452527e-177],6,0],[[1.0865881933967427e-239],0,0],[[1.0321884324238089e-204],1,0],[[3.468363920687483e-275],1,1.0],[[9.235058182301351e-298],6,0],[[1.3508330812519037e-42],2,0],[[-7.643304163425191e-132],4,0],[[3.258549790458107e-45],2,0],[[2.1316535898912934e-76],7,0],[[2.2420303907903802e-68],6,0],[[-4.147815060644267e-269],0,0],[[-1.5885079051767335e-90],4,0],[[-3.969894456140893e-15],2,0],[[5.776745162887772e-81],3,0],[[9.383817895669287e-283],6,0],[[3.611278323934413e-94],2,0],[[-6.602809642561733e-223],5,0],[[1.4448618247603424e-257],6,0],[[3.706054342154294e-129],6,0],[[7.195448856340728e-141],6,1.0],[[-4.510161549039838e-214],0,0],[[2.809919074811328e-300],1,0],[[2.1859104172563636e-264],6,1.0],[[-1.6313740517107182e-227],4,0],[[-7.512222795104406e-168],0,0],[[-2.191896168863437e-98],2,0],[[-3.3925149777052834e-63],3,0],[[8.359355849775862e-16],2,1.0],[[-1.3274409717698955e-301],6,0],[[-7.543647802930883e-65],1,0],[[4.6811315760090616e-144],6,0],[[1.046624167704608e-163],6,0],[[-1.3964572346787755e-152],6,0],[[-7.807986006964459e-172],6,0],[[-4.519595929536516e-229],0,1.0],[[-1.3448163575524206e-16],0,0],[[-1.423542426143039e-129],4,0],[[5.903833024524204e-224],1,0],[[6.75061600976492e-09],1,0],[[-6.990575505691825e-293],0,1.0],[[-1.0183335489303076e-199],1,1.0],[[-2.915269426177489e-188],4,0],[[6.509917256919526e-155],0,0],[[-1.235130140170164e-126],0,0],[[2.0740305822111617e-302],1,0],[[-3.7138781240413885e-204],1,0],[[-7.263550849085613e-27],2,0],[[5.582278109308679e-72],0,0],[[-9.324073911343234e-97],0,0],[[2.480190476546545e-246],0,1.0],[[7.542398567020551e-205],0,0],[[3.211003609332114e-292],0,0],[[-2.9988557709871706e-297],4,1.0],[[-3.841622556722524e-66],1,0],[[4.607613593823294e-213],0,0],[[-1.1204577574966285e-246],4,0],[[-4.921050894675189e-140],5,0],[[2.0974429565133816e-215],0,0],[[1.51646550817889e-257],6,0],[[-0.0007363022252445651],0,0],[[-5.624997011130711e-126],1,0],[[1.1988791635038015e-56],3,0],[[3.50550012204851e-33],2,0],[[-3.1472164561505567e-59],2,0],[[-8.05737758242569e-91],3,0],[[1.0057242501199301e-254],0,1.0],[[-3.222264666704597e-210],6,0],[[1.099315532911349e-23],1,0],[[-7.586221492885147e-139],4,0],[[3.224104279734413e-128],0,1.0],[[-6.394924897500658e-104],4,0],[[-1.3489282606511781e-35],2,0],[[2.45682697544046e-235],6,0],[[-1.0726845205664223e-63],0,0],[[5.394314721089183e-302],6,1.0],[[-3.023055730501428e-23],3,0],[[-1.175878359064847e-77],3,0],[[-3.9529958064865946e-264],6,0],[[2.3993845233584173e-107],1,0],[[-1.3908305214282044e-154],0,0],[[-3.7981733760926524e-59],0,0],[[3.6070289902878433e-298],1,1.0],[[-6.59522455933465e-44],3,0],[[9.732025433837372e-298],1,1.0],[[4.717376995390811e-229],6,0],[[-1.7808212315293658e-267],4,0],[[-4.3402484094339546e-98],3,0],[[-3.8472878924535176e-69],3,0],[[-1.0752803839894087e-102],3,0],[[-2.4043032639901138e-220],4,0],[[7.317333208039203e-135],0,0],[[-3.5874867218821053e-289],6,0],[[7.51766164914667e-83],1,0],[[1.2494134226790036e-90],0,0],[[5.2370439997769816e-251],6,0],[[3.8297412694520027e-72],6,0],[[-6.728931476030476e-220],5,0],[[9.751429336071956e-111],0,0],[[3.4632829335752192e-251],6,0],[[-5.571648378152749e-24],2,0],[[-1.5013788162994641e-139],6,0],[[-3.3947387264781975e-158],0,0],[[2.9019277223709396e-2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(λ (a) (/ 1 (* (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a))) (cbrt (/ (- (acos a)) a)))))>","#<alt-delta (λ (a) (* (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a))))) (cbrt (/ a (- (acos a))))))>","#<alt-delta (λ (a) (/ 1 (cbrt (* (* (/ (acos a) a) (/ (acos a) a)) (- (/ (acos a) a))))))>","#<alt-delta (λ (a) (cbrt (/ (/ a (/ (acos a) a)) (* (- (acos a)) (/ (acos a) a)))))>","#<alt-delta (λ (a) (* (sqrt (/ a (- (acos a)))) (sqrt (/ a (- (acos a))))))>","#<alt-delta (λ (a) (/ (/ 1 (sqrt (/ (- (acos a)) a))) (sqrt (/ (- (acos a)) a))))>","#<alt-delta (λ (a) (/ (/ 1 (- (acos a))) (/ 1 a)))>","#<alt-delta (λ (a) (/ 1 (cbrt (* (/ (- (acos a)) a) (/ (* (acos a) (acos a)) (* a 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(a) (/ (/ 1 (- (acos a))) (/ 1 a)))"}* * * * [misc]pick:  Picked  #<alt-delta (λ (a) (/ (/ 1 (- (acos a))) (/ 1 a)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 1)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (/ (/ 1 (- (acos a))) (/ 1 a)) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- (acos a))) (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- (acos a))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos a))) into (/ -1 (acos a))
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (/ (/ -1 (acos a)) 1) into (/ -1 (acos a))
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- (acos a))) (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- (acos a))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos a))) into (/ -1 (acos a))
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (/ (/ -1 (acos a)) 1) into (/ -1 (acos a))
* [misc]backup-simplify:  Simplify (/ -1 (acos a)) into (/ -1 (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (/ -1 (acos a)) (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (/ -1 (acos a)) (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (/ -1 (acos a)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (/ -1 (acos a)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (/ -1 (acos a)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (/ -1 (acos a)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
* [misc]approximate:  Taking taylor expansion of (/ (/ 1 (- (acos (/ 1 a)))) (/ 1 (/ 1 a))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- (acos (/ 1 a)))) (/ 1 (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- (acos (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos (/ 1 a)))) into (/ -1 (acos (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (/ (/ -1 (acos (/ 1 a))) 1) into (/ -1 (acos (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- (acos (/ 1 a)))) (/ 1 (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- (acos (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos (/ 1 a)))) into (/ -1 (acos (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 a)) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (/ (/ -1 (acos (/ 1 a))) 1) into (/ -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
* [misc]approximate:  Taking taylor expansion of (/ (/ 1 (- (acos (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- (acos (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- (acos (/ 1 (- a))))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos (/ -1 a)))) into (/ -1 (acos (/ -1 a)))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 (- a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (/ (/ -1 (acos (/ -1 a))) -1) into (/ 1 (acos (/ -1 a)))
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- (acos (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- (acos (/ 1 (- a))))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos (/ -1 a)))) into (/ -1 (acos (/ -1 a)))
* [misc]taylor:  Taking taylor expansion of (/ 1 (/ 1 (- a))) in a
* [misc]taylor:  Taking taylor expansion of (/ 1 (- a)) in a
* [misc]taylor:  Taking taylor expansion of (- a) in a
* [misc]taylor:  Taking taylor expansion of a in a
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (/ (/ -1 (acos (/ -1 a))) -1) into (/ 1 (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* (/ 1 (acos (/ -1 a))) (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (/ 1 (- (acos a))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (- (acos a))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos a))) into (/ -1 (acos a))
* [misc]taylor:  Taking taylor expansion of (/ 1 (- (acos a))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos a)) in a
* [misc]taylor:  Taking taylor expansion of (acos a) in a
* [misc]backup-simplify:  Simplify (acos a) into (acos a)
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos a))) into (/ -1 (acos a))
* [misc]backup-simplify:  Simplify (/ -1 (acos a)) into (/ -1 (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos a)) into (- (acos a))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos a)) (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))) (* 0 (/ 0 (- (acos a)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ -1 (acos a)) into (/ -1 (acos a))
* [misc]approximate:  Taking taylor expansion of (/ 1 (- (acos (/ 1 a)))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (- (acos (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos (/ 1 a)))) into (/ -1 (acos (/ 1 a)))
* [misc]taylor:  Taking taylor expansion of (/ 1 (- (acos (/ 1 a)))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 a))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 a)) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 a)) into (acos (/ 1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos (/ 1 a)))) into (/ -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))) (* 0 (/ 0 (- (acos (/ 1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ -1 (acos (/ 1 (/ 1 a)))) into (/ -1 (acos a))
* [misc]approximate:  Taking taylor expansion of (/ 1 (- (acos (/ 1 (- a))))) in (a) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (- (acos (/ 1 (- a))))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos (/ -1 a)))) into (/ -1 (acos (/ -1 a)))
* [misc]taylor:  Taking taylor expansion of (/ 1 (- (acos (/ 1 (- a))))) in a
* [misc]taylor:  Taking taylor expansion of (- (acos (/ 1 (- a)))) in a
* [misc]taylor:  Taking taylor expansion of (acos (/ 1 (- a))) in a
* [misc]backup-simplify:  Simplify (acos (/ 1 (- a))) into (acos (/ -1 a))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ 1 (- (acos (/ -1 a)))) into (/ -1 (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (/ -1 (acos (/ -1 a))) into (/ -1 (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))) (* 0 (/ 0 (- (acos (/ -1 a))))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (/ -1 (acos (/ -1 (/ 1 (- a))))) into (/ -1 (acos a))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 68 ] simplifiying candidate #<alt-delta (λ (a) (pow (/ (/ 1 (- (acos a))) (/ 1 a)) 1))>
* * * * [misc]progress:  [ 2 / 68 ] simplifiying candidate #<alt-delta (λ (a) (exp (- (- (log (- (acos a)))) (log (/ 1 a)))))>
* [enter]simplify:  Simplifying (- (- (log (- (acos a)))) (log (/ 1 a)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (49 enodes)
* * [misc]simplify:  iters left: 1 (140 enodes)
* [exit]simplify:  Simplified to (- (log a) (log (- (acos a))))
* [exit]simplify:  Simplified to (- (log a) (log (- (acos a))))
* * * * [misc]progress:  [ 3 / 68 ] simplifiying candidate #<alt-delta (λ (a) (exp (- (log (/ 1 (- (acos a)))) (log (/ 1 a)))))>
* [enter]simplify:  Simplifying (- (log (/ 1 (- (acos a)))) (log (/ 1 a)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (51 enodes)
* * [misc]simplify:  iters left: 2 (118 enodes)
* [exit]simplify:  Simplified to (- (log a) (log (- (acos a))))
* [exit]simplify:  Simplified to (- (log a) (log (- (acos a))))
* * * * [misc]progress:  [ 4 / 68 ] simplifiying candidate #<alt-delta (λ (a) (exp (log (/ (/ 1 (- (acos a))) (/ 1 a)))))>
* [enter]simplify:  Simplifying (log (/ (/ 1 (- (acos a))) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (43 enodes)
* * [misc]simplify:  iters left: 3 (83 enodes)
* * [misc]simplify:  iters left: 2 (147 enodes)
* * [misc]simplify:  iters left: 1 (288 enodes)
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* [exit]simplify:  Simplified to (log (/ a (- (acos a))))
* * * * [misc]progress:  [ 5 / 68 ] simplifiying candidate #<alt-delta (λ (a) (log (exp (/ (/ 1 (- (acos a))) (/ 1 a)))))>
* [enter]simplify:  Simplifying (exp (/ (/ 1 (- (acos a))) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (45 enodes)
* * [misc]simplify:  iters left: 2 (79 enodes)
* * [misc]simplify:  iters left: 1 (114 enodes)
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* [exit]simplify:  Simplified to (exp (/ a (- (acos a))))
* * * * [misc]progress:  [ 6 / 68 ] simplifiying candidate #<alt-delta (λ (a) (cbrt (/ (* (* (/ 1 (- (acos a))) (/ 1 (- (acos a)))) (/ 1 (- (acos a)))) (* (* (/ 1 a) (/ 1 a)) (/ 1 a)))))>
* [enter]simplify:  Simplifying (/ (* (* (/ 1 (- (acos a))) (/ 1 (- (acos a)))) (/ 1 (- (acos a)))) (* (* (/ 1 a) (/ 1 a)) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (34 enodes)
* * [misc]simplify:  iters left: 4 (100 enodes)
* * [misc]simplify:  iters left: 3 (420 enodes)
* [exit]simplify:  Simplified to (pow (/ a (- (acos a))) 3)
* [exit]simplify:  Simplified to (pow (/ a (- (acos a))) 3)
* * * * [misc]progress:  [ 7 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (* (cbrt (/ (/ 1 (- (acos a))) (/ 1 a))) (cbrt (/ (/ 1 (- (acos a))) (/ 1 a)))) (cbrt (/ (/ 1 (- (acos a))) (/ 1 a)))))>
* [enter]simplify:  Simplifying (* (cbrt (/ (/ 1 (- (acos a))) (/ 1 a))) (cbrt (/ (/ 1 (- (acos a))) (/ 1 a))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (44 enodes)
* * [misc]simplify:  iters left: 2 (80 enodes)
* * [misc]simplify:  iters left: 1 (118 enodes)
* [exit]simplify:  Simplified to (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
* [exit]simplify:  Simplified to (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
* [enter]simplify:  Simplifying (cbrt (/ (/ 1 (- (acos a))) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (27 enodes)
* * [misc]simplify:  iters left: 3 (43 enodes)
* * [misc]simplify:  iters left: 2 (79 enodes)
* * [misc]simplify:  iters left: 1 (117 enodes)
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (cbrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 8 / 68 ] simplifiying candidate #<alt-delta (λ (a) (cbrt (* (* (/ (/ 1 (- (acos a))) (/ 1 a)) (/ (/ 1 (- (acos a))) (/ 1 a))) (/ (/ 1 (- (acos a))) (/ 1 a)))))>
* [enter]simplify:  Simplifying (* (* (/ (/ 1 (- (acos a))) (/ 1 a)) (/ (/ 1 (- (acos a))) (/ 1 a))) (/ (/ 1 (- (acos a))) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (91 enodes)
* * [misc]simplify:  iters left: 3 (239 enodes)
* [exit]simplify:  Simplified to (pow (/ a (- (acos a))) 3)
* [exit]simplify:  Simplified to (pow (/ a (- (acos a))) 3)
* * * * [misc]progress:  [ 9 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (sqrt (/ (/ 1 (- (acos a))) (/ 1 a))) (sqrt (/ (/ 1 (- (acos a))) (/ 1 a)))))>
* [enter]simplify:  Simplifying (sqrt (/ (/ 1 (- (acos a))) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (27 enodes)
* * [misc]simplify:  iters left: 3 (43 enodes)
* * [misc]simplify:  iters left: 2 (79 enodes)
* * [misc]simplify:  iters left: 1 (117 enodes)
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [enter]simplify:  Simplifying (sqrt (/ (/ 1 (- (acos a))) (/ 1 a)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (27 enodes)
* * [misc]simplify:  iters left: 3 (43 enodes)
* * [misc]simplify:  iters left: 2 (79 enodes)
* * [misc]simplify:  iters left: 1 (117 enodes)
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ a (- (acos a))))
* * * * [misc]progress:  [ 10 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (- (/ 1 (- (acos a)))) (- (/ 1 a))))>
* [enter]simplify:  Simplifying (- (/ 1 (- (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (/ (- 1) (- (acos a)))
* [exit]simplify:  Simplified to (/ (- 1) (- (acos a)))
* [enter]simplify:  Simplifying (- (/ 1 a))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (/ (- 1) a)
* [exit]simplify:  Simplified to (/ (- 1) a)
* * * * [misc]progress:  [ 11 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))))>
* [enter]simplify:  Simplifying (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* [exit]simplify:  Simplified to (* (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a))))
* [exit]simplify:  Simplified to (* (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a))))
* [enter]simplify:  Simplifying (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))
* [exit]simplify:  Simplified to (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))
* * * * [misc]progress:  [ 12 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (sqrt (/ 1 a))) (/ (cbrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))))>
* [enter]simplify:  Simplifying (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (sqrt (/ 1 a)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* [exit]simplify:  Simplified to (* (/ (cbrt (/ 1 (- (acos a)))) (sqrt (/ 1 a))) (cbrt (/ 1 (- (acos a)))))
* [exit]simplify:  Simplified to (* (/ (cbrt (/ 1 (- (acos a)))) (sqrt (/ 1 a))) (cbrt (/ 1 (- (acos a)))))
* [enter]simplify:  Simplifying (/ (cbrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))
* [exit]simplify:  Simplified to (/ (cbrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))
* * * * [misc]progress:  [ 13 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) 1) (/ (cbrt (/ 1 (- (acos a)))) (/ 1 a))))>
* [enter]simplify:  Simplifying (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) 1)
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* * [misc]simplify:  iters left: 2 (33 enodes)
* [exit]simplify:  Simplified to (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
* [exit]simplify:  Simplified to (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
* [enter]simplify:  Simplifying (/ (cbrt (/ 1 (- (acos a)))) (/ 1 a))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (32 enodes)
* [exit]simplify:  Simplified to (* (cbrt (/ 1 (- (acos a)))) a)
* [exit]simplify:  Simplified to (* (cbrt (/ 1 (- (acos a)))) a)
* * * * [misc]progress:  [ 14 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) 1) (/ (cbrt (/ 1 (- (acos a)))) (/ 1 a))))>
* [enter]simplify:  Simplifying (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) 1)
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* * [misc]simplify:  iters left: 2 (33 enodes)
* [exit]simplify:  Simplified to (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
* [exit]simplify:  Simplified to (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
* [enter]simplify:  Simplifying (/ (cbrt (/ 1 (- (acos a)))) (/ 1 a))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (32 enodes)
* [exit]simplify:  Simplified to (* (cbrt (/ 1 (- (acos a)))) a)
* [exit]simplify:  Simplified to (* (cbrt (/ 1 (- (acos a)))) a)
* * * * [misc]progress:  [ 15 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ (sqrt (/ 1 (- (acos a)))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))) (/ (sqrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))))>
* [enter]simplify:  Simplifying (/ (sqrt (/ 1 (- (acos a)))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (/ 1 (- (acos a)))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
* [exit]simplify:  Simplified to (/ (sqrt (/ 1 (- (acos a)))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
* [enter]simplify:  Simplifying (/ (sqrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))
* [exit]simplify:  Simplified to (/ (sqrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))
* * * * [misc]progress:  [ 16 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ (sqrt (/ 1 (- (acos a)))) (sqrt (/ 1 a))) (/ (sqrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))))>
* [enter]simplify:  Simplifying (/ (sqrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))
* [exit]simplify:  Simplified to (/ (sqrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))
* [enter]simplify:  Simplifying (/ (sqrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))
* [exit]simplify:  Simplified to (/ (sqrt (/ 1 (- (acos a)))) (sqrt (/ 1 a)))
* * * * [misc]progress:  [ 17 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ (sqrt (/ 1 (- (acos a)))) 1) (/ (sqrt (/ 1 (- (acos a)))) (/ 1 a))))>
* [enter]simplify:  Simplifying (/ (sqrt (/ 1 (- (acos a)))) 1)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (sqrt (/ 1 (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ 1 (- (acos a))))
* [enter]simplify:  Simplifying (/ (sqrt (/ 1 (- (acos a)))) (/ 1 a))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (32 enodes)
* [exit]simplify:  Simplified to (* (sqrt (/ 1 (- (acos a)))) a)
* [exit]simplify:  Simplified to (* (sqrt (/ 1 (- (acos a)))) a)
* * * * [misc]progress:  [ 18 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ (sqrt (/ 1 (- (acos a)))) 1) (/ (sqrt (/ 1 (- (acos a)))) (/ 1 a))))>
* [enter]simplify:  Simplifying (/ (sqrt (/ 1 (- (acos a)))) 1)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (sqrt (/ 1 (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ 1 (- (acos a))))
* [enter]simplify:  Simplifying (/ (sqrt (/ 1 (- (acos a)))) (/ 1 a))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (32 enodes)
* [exit]simplify:  Simplified to (* (sqrt (/ 1 (- (acos a)))) a)
* [exit]simplify:  Simplified to (* (sqrt (/ 1 (- (acos a)))) a)
* * * * [misc]progress:  [ 19 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))) (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))))>
* [enter]simplify:  Simplifying (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (cbrt (/ 1 a))) (cbrt (/ 1 a)))
* [exit]simplify:  Simplified to (/ (/ 1 (cbrt (/ 1 a))) (cbrt (/ 1 a)))
* [enter]simplify:  Simplifying (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))
* [exit]simplify:  Simplified to (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))
* * * * [misc]progress:  [ 20 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ 1 (sqrt (/ 1 a))) (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))))>
* [enter]simplify:  Simplifying (/ 1 (sqrt (/ 1 a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (/ 1 (sqrt (/ 1 a)))
* [exit]simplify:  Simplified to (/ 1 (sqrt (/ 1 a)))
* [enter]simplify:  Simplifying (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))
* [exit]simplify:  Simplified to (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))
* * * * [misc]progress:  [ 21 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ 1 1) (/ (/ 1 (- (acos a))) (/ 1 a))))>
* [enter]simplify:  Simplifying (/ 1 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (/ (/ 1 (- (acos a))) (/ 1 a))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (42 enodes)
* * [misc]simplify:  iters left: 2 (76 enodes)
* * [misc]simplify:  iters left: 1 (111 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 22 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ 1 1) (/ (/ 1 (- (acos a))) (/ 1 a))))>
* [enter]simplify:  Simplifying (/ 1 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (/ (/ 1 (- (acos a))) (/ 1 a))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (42 enodes)
* * [misc]simplify:  iters left: 2 (76 enodes)
* * [misc]simplify:  iters left: 1 (111 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 23 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))) (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))))>
* [enter]simplify:  Simplifying (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (cbrt (/ 1 a))) (cbrt (/ 1 a)))
* [exit]simplify:  Simplified to (/ (/ 1 (cbrt (/ 1 a))) (cbrt (/ 1 a)))
* [enter]simplify:  Simplifying (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))
* [exit]simplify:  Simplified to (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))
* * * * [misc]progress:  [ 24 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ 1 (sqrt (/ 1 a))) (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))))>
* [enter]simplify:  Simplifying (/ 1 (sqrt (/ 1 a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (/ 1 (sqrt (/ 1 a)))
* [exit]simplify:  Simplified to (/ 1 (sqrt (/ 1 a)))
* [enter]simplify:  Simplifying (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))
* [exit]simplify:  Simplified to (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))
* * * * [misc]progress:  [ 25 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ 1 1) (/ (/ 1 (- (acos a))) (/ 1 a))))>
* [enter]simplify:  Simplifying (/ 1 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (/ (/ 1 (- (acos a))) (/ 1 a))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (42 enodes)
* * [misc]simplify:  iters left: 2 (76 enodes)
* * [misc]simplify:  iters left: 1 (111 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 26 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ 1 1) (/ (/ 1 (- (acos a))) (/ 1 a))))>
* [enter]simplify:  Simplifying (/ 1 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (/ (/ 1 (- (acos a))) (/ 1 a))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (42 enodes)
* * [misc]simplify:  iters left: 2 (76 enodes)
* * [misc]simplify:  iters left: 1 (111 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]progress:  [ 27 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* 1 (/ (/ 1 (- (acos a))) (/ 1 a))))>
* * * * [misc]progress:  [ 28 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ 1 (- (acos a))) (/ 1 (/ 1 a))))>
* [enter]simplify:  Simplifying (/ 1 (/ 1 a))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to a
* [exit]simplify:  Simplified to a
* * * * [misc]progress:  [ 29 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (/ 1 a) (/ 1 (- (acos a))))))>
* [enter]simplify:  Simplifying (/ (/ 1 a) (/ 1 (- (acos a))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (43 enodes)
* * [misc]simplify:  iters left: 2 (77 enodes)
* * [misc]simplify:  iters left: 1 (119 enodes)
* [exit]simplify:  Simplified to (/ (- (acos a)) a)
* [exit]simplify:  Simplified to (/ (- (acos a)) a)
* * * * [misc]progress:  [ 30 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ (/ 1 (- (acos a))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))) (cbrt (/ 1 a))))>
* [enter]simplify:  Simplifying (/ (/ 1 (- (acos a))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (35 enodes)
* * [misc]simplify:  iters left: 2 (46 enodes)
* * [misc]simplify:  iters left: 1 (51 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (- (acos a))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
* [exit]simplify:  Simplified to (/ (/ 1 (- (acos a))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
* * * * [misc]progress:  [ 31 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ (/ 1 (- (acos a))) (sqrt (/ 1 a))) (sqrt (/ 1 a))))>
* [enter]simplify:  Simplifying (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))
* [exit]simplify:  Simplified to (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))
* * * * [misc]progress:  [ 32 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ (/ 1 (- (acos a))) 1) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ (/ 1 (- (acos a))) 1)
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (30 enodes)
* * [misc]simplify:  iters left: 1 (32 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* * * * [misc]progress:  [ 33 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ (/ 1 (- (acos a))) 1) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ (/ 1 (- (acos a))) 1)
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (30 enodes)
* * [misc]simplify:  iters left: 1 (32 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* * * * [misc]progress:  [ 34 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (/ (/ 1 a) (cbrt (/ 1 (- (acos a)))))))>
* [enter]simplify:  Simplifying (/ (/ 1 a) (cbrt (/ 1 (- (acos a)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 a) (cbrt (/ 1 (- (acos a)))))
* [exit]simplify:  Simplified to (/ (/ 1 a) (cbrt (/ 1 (- (acos a)))))
* * * * [misc]progress:  [ 35 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (sqrt (/ 1 (- (acos a)))) (/ (/ 1 a) (sqrt (/ 1 (- (acos a)))))))>
* [enter]simplify:  Simplifying (/ (/ 1 a) (sqrt (/ 1 (- (acos a)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 a) (sqrt (/ 1 (- (acos a)))))
* [exit]simplify:  Simplified to (/ (/ 1 a) (sqrt (/ 1 (- (acos a)))))
* * * * [misc]progress:  [ 36 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (/ 1 a) (/ 1 (- (acos a))))))>
* [enter]simplify:  Simplifying (/ (/ 1 a) (/ 1 (- (acos a))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (43 enodes)
* * [misc]simplify:  iters left: 2 (77 enodes)
* * [misc]simplify:  iters left: 1 (119 enodes)
* [exit]simplify:  Simplified to (/ (- (acos a)) a)
* [exit]simplify:  Simplified to (/ (- (acos a)) a)
* * * * [misc]progress:  [ 37 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (/ (/ 1 a) (/ 1 (- (acos a))))))>
* [enter]simplify:  Simplifying (/ (/ 1 a) (/ 1 (- (acos a))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (43 enodes)
* * [misc]simplify:  iters left: 2 (77 enodes)
* * [misc]simplify:  iters left: 1 (119 enodes)
* [exit]simplify:  Simplified to (/ (- (acos a)) a)
* [exit]simplify:  Simplified to (/ (- (acos a)) a)
* * * * [misc]progress:  [ 38 / 68 ] simplifiying candidate #<alt-delta (λ (a) (* (/ (/ 1 (- (acos a))) 1) a))>
* [enter]simplify:  Simplifying (/ (/ 1 (- (acos a))) 1)
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (30 enodes)
* * [misc]simplify:  iters left: 1 (32 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* * * * [misc]progress:  [ 39 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ 1 (* (/ 1 a) (- (acos a)))))>
* [enter]simplify:  Simplifying (* (/ 1 a) (- (acos a)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (72 enodes)
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* [exit]simplify:  Simplified to (- (/ (acos a) a))
* * * * [misc]progress:  [ 40 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (pow (- (acos a)) -1) (/ 1 a)))>
* * * * [misc]progress:  [ 41 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (pow (- (acos a)) (- 1)) (/ 1 a)))>
* [enter]simplify:  Simplifying (- 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (- 1)
* [exit]simplify:  Simplified to (- 1)
* * * * [misc]progress:  [ 42 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (pow (/ 1 (- (acos a))) 1) (/ 1 a)))>
* * * * [misc]progress:  [ 43 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (exp (- (log (- (acos a))))) (/ 1 a)))>
* [enter]simplify:  Simplifying (- (log (- (acos a))))
* * [misc]simplify:  iters left: 6 (5 enodes)
* [exit]simplify:  Simplified to (- (log (- (acos a))))
* [exit]simplify:  Simplified to (- (log (- (acos a))))
* * * * [misc]progress:  [ 44 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (exp (log (/ 1 (- (acos a))))) (/ 1 a)))>
* [enter]simplify:  Simplifying (log (/ 1 (- (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* * [misc]simplify:  iters left: 2 (30 enodes)
* * [misc]simplify:  iters left: 1 (72 enodes)
* [exit]simplify:  Simplified to (- (log (- (acos a))))
* [exit]simplify:  Simplified to (- (log (- (acos a))))
* * * * [misc]progress:  [ 45 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (log (exp (/ 1 (- (acos a))))) (/ 1 a)))>
* [enter]simplify:  Simplifying (exp (/ 1 (- (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* [exit]simplify:  Simplified to (exp (/ 1 (- (acos a))))
* [exit]simplify:  Simplified to (exp (/ 1 (- (acos a))))
* * * * [misc]progress:  [ 46 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (* (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (cbrt (/ 1 (- (acos a))))) (/ 1 a)))>
* [enter]simplify:  Simplifying (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* [exit]simplify:  Simplified to (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
* [exit]simplify:  Simplified to (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
* [enter]simplify:  Simplifying (cbrt (/ 1 (- (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* [exit]simplify:  Simplified to (cbrt (/ 1 (- (acos a))))
* [exit]simplify:  Simplified to (cbrt (/ 1 (- (acos a))))
* * * * [misc]progress:  [ 47 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (cbrt (* (* (/ 1 (- (acos a))) (/ 1 (- (acos a)))) (/ 1 (- (acos a))))) (/ 1 a)))>
* [enter]simplify:  Simplifying (* (* (/ 1 (- (acos a))) (/ 1 (- (acos a)))) (/ 1 (- (acos a))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (39 enodes)
* * [misc]simplify:  iters left: 2 (62 enodes)
* * [misc]simplify:  iters left: 1 (89 enodes)
* [exit]simplify:  Simplified to (/ 1 (* (- (acos a)) (* (acos a) (acos a))))
* [exit]simplify:  Simplified to (/ 1 (* (- (acos a)) (* (acos a) (acos a))))
* * * * [misc]progress:  [ 48 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (* (sqrt (/ 1 (- (acos a)))) (sqrt (/ 1 (- (acos a))))) (/ 1 a)))>
* [enter]simplify:  Simplifying (sqrt (/ 1 (- (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* [exit]simplify:  Simplified to (sqrt (/ 1 (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ 1 (- (acos a))))
* [enter]simplify:  Simplifying (sqrt (/ 1 (- (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* [exit]simplify:  Simplified to (sqrt (/ 1 (- (acos a))))
* [exit]simplify:  Simplified to (sqrt (/ 1 (- (acos a))))
* * * * [misc]progress:  [ 49 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ (- 1) (- (- (acos a)))) (/ 1 a)))>
* [enter]simplify:  Simplifying (- 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (- 1)
* [exit]simplify:  Simplified to (- 1)
* [enter]simplify:  Simplifying (- (- (acos a)))
* * [misc]simplify:  iters left: 5 (4 enodes)
* [exit]simplify:  Simplified to (acos a)
* [exit]simplify:  Simplified to (acos a)
* * * * [misc]progress:  [ 50 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (* 1 (/ 1 (- (acos a)))) (/ 1 a)))>
* * * * [misc]progress:  [ 51 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (* 1 (/ 1 (- (acos a)))) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ 1 (- (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* [exit]simplify:  Simplified to (/ 1 (- (acos a)))
* * * * [misc]progress:  [ 52 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ 1 (/ (- (acos a)) 1)) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ (- (acos a)) 1)
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* [exit]simplify:  Simplified to (- (acos a))
* [exit]simplify:  Simplified to (- (acos a))
* * * * [misc]progress:  [ 53 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ (/ 1 (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (cbrt (- (acos a)))) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ 1 (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
* [exit]simplify:  Simplified to (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
* * * * [misc]progress:  [ 54 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ (/ 1 (sqrt (- (acos a)))) (sqrt (- (acos a)))) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ 1 (sqrt (- (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* [exit]simplify:  Simplified to (/ 1 (sqrt (- (acos a))))
* [exit]simplify:  Simplified to (/ 1 (sqrt (- (acos a))))
* * * * [misc]progress:  [ 55 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ (/ 1 1) (- (acos a))) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ 1 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* * * * [misc]progress:  [ 56 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ (/ 1 -1) (acos a)) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ 1 -1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ 1 -1)
* [exit]simplify:  Simplified to (/ 1 -1)
* * * * [misc]progress:  [ 57 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a))))) (cbrt (acos a))) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (cbrt (acos a))) (- (cbrt (acos a))))
* [exit]simplify:  Simplified to (/ (/ 1 (cbrt (acos a))) (- (cbrt (acos a))))
* * * * [misc]progress:  [ 58 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ (/ 1 (- (sqrt (acos a)))) (sqrt (acos a))) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ 1 (- (sqrt (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (sqrt (acos a))))
* [exit]simplify:  Simplified to (/ 1 (- (sqrt (acos a))))
* * * * [misc]progress:  [ 59 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ (/ 1 (- 1)) (acos a)) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ 1 (- 1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (5 enodes)
* [exit]simplify:  Simplified to (/ 1 (- 1))
* [exit]simplify:  Simplified to (/ 1 (- 1))
* * * * [misc]progress:  [ 60 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (- (cbrt (acos a)))) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
* [exit]simplify:  Simplified to (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
* * * * [misc]progress:  [ 61 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ (/ 1 (sqrt (acos a))) (- (sqrt (acos a)))) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ 1 (sqrt (acos a)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* [exit]simplify:  Simplified to (/ 1 (sqrt (acos a)))
* [exit]simplify:  Simplified to (/ 1 (sqrt (acos a)))
* * * * [misc]progress:  [ 62 / 68 ] simplifiying candidate #<alt-delta (λ (a) (/ (/ (/ 1 1) (- (acos a))) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ 1 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* * * * [misc]progress:  [ 63 / 68 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos a))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 64 / 68 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos a))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 65 / 68 ] simplifiying candidate #<alt-event (λ (a) (* -1 (/ a (acos a))))>
* [enter]simplify:  Simplifying (* -1 (/ a (acos a)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 66 / 68 ] simplifiying candidate #<alt-event (λ (a) (/ (/ -1 (acos a)) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ (/ -1 (acos a)) (/ 1 a))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* * [misc]simplify:  iters left: 1 (59 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 67 / 68 ] simplifiying candidate #<alt-event (λ (a) (/ (/ -1 (acos a)) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ (/ -1 (acos a)) (/ 1 a))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* * [misc]simplify:  iters left: 1 (59 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * * [misc]progress:  [ 68 / 68 ] simplifiying candidate #<alt-event (λ (a) (/ (/ -1 (acos a)) (/ 1 a)))>
* [enter]simplify:  Simplifying (/ (/ -1 (acos a)) (/ 1 a))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* * [misc]simplify:  iters left: 1 (59 enodes)
* [exit]simplify:  Simplified to (/ (- a) (acos a))
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime-changes:  Finding splitpoints for: (#<alt-delta (λ (a) (* (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a))))) (cbrt (/ a (- (acos a))))))> #<alt-delta (λ (a) (* (/ (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))))> #<alt-event (λ (a) (/ a (- (acos a))))> #<alt-delta (λ (a) (/ (/ 1 (- (acos a))) (/ 1 a)))> #<alt-delta (λ (a) (/ 1 (* (- (acos a)) (/ 1 a))))> #<alt-delta (λ (a) (/ (cbrt (/ 1 (* (- (acos a)) (* (acos a) (acos a))))) (/ 1 a)))>)
* [misc]regimes:  Found splitpoints: (#s(sp 0 (/ a (- (acos a))) +nan.0)) , with alts (#<alt-event (λ (a) (/ a (- (acos a))))>)
* [enter]simplify:  Simplifying (/ a (- (acos a)))
* * [misc]simplify:  iters left: 5 (4 enodes)
* [exit]simplify:  Simplified to (/ a (- (acos a)))
* * * * [misc]points:  Sampling 8000 additional inputs, on iter 0 have 0 / 8000
* * * * [misc]points:  Computing exacts on every 500 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 250 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 125 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 62 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 31 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 15 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 7 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 3 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 8000 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4044 additional inputs, on iter 1 have 3956 / 8000
* * * * [misc]points:  Computing exacts on every 252 of 4044 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 126 of 4044 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 63 of 4044 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 31 of 4044 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 15 of 4044 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 7 of 4044 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 3 of 4044 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 4044 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 2029 additional inputs, on iter 2 have 5971 / 8000
* * * * [misc]points:  Computing exacts on every 126 of 2029 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 63 of 2029 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 31 of 2029 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 15 of 2029 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 7 of 2029 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 3 of 2029 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 2029 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 994 additional inputs, on iter 3 have 7006 / 8000
* * * * [misc]points:  Computing exacts on every 62 of 994 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 31 of 994 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 15 of 994 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 7 of 994 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 3 of 994 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 994 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 489 additional inputs, on iter 4 have 7511 / 8000
* * * * [misc]points:  Computing exacts on every 30 of 489 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 15 of 489 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 7 of 489 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 3 of 489 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 489 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 242 additional inputs, on iter 5 have 7758 / 8000
* * * * [misc]points:  Computing exacts on every 15 of 242 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 7 of 242 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 3 of 242 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 242 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 118 additional inputs, on iter 6 have 7882 / 8000
* * * * [misc]points:  Computing exacts on every 7 of 118 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 3 of 118 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 118 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 67 additional inputs, on iter 7 have 7933 / 8000
* * * * [misc]points:  Computing exacts on every 4 of 67 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 2 of 67 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 67 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 38 additional inputs, on iter 8 have 7962 / 8000
* * * * [misc]points:  Computing exacts on every 2 of 38 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 38 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 20 additional inputs, on iter 9 have 7980 / 8000
* * * * [misc]points:  Computing exacts for 20 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 10 additional inputs, on iter 10 have 7990 / 8000
* * * * [misc]points:  Computing exacts for 10 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 11 have 7998 / 8000
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 12 have 7998 / 8000
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 8000 points with exact outputs