54.128 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.042 * * * [progress]: [2/2] Setting up program.
0.046 * [progress]: [Phase 2 of 3] Improving.
0.046 * [simplify]: Simplifying:
  (+ (* x x) (* y y))
0.046 * * [simplify]: Extracting # 0 : cost  0
0.047 * * [simplify]: Extracting # 1 : cost  0
0.047 * * [simplify]: Extracting # 2 : cost  0
0.047 * * [simplify]: Extracting # 3 : cost  0
0.047 * * [simplify]: Extracting # 4 : cost  0
0.047 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.048 * * [simplify]: Extracting # 0 : cost  0
0.048 * * [simplify]: iteration  1 :  6  enodes  (cost  7 )
0.050 * * [simplify]: Extracting # 0 : cost  0
0.050 * * [simplify]: iteration done:  6  enodes  (cost  7 )
0.050 * [simplify]: Simplified to:
  (+ (* x x) (* y y))
0.051 * * [progress]: iteration 1 / 4
0.051 * * * [progress]: picking best candidate
0.055 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* x x) (* y y)))>
0.055 * * * [progress]: localizing error
0.068 * * * [progress]: generating rewritten candidates
0.068 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.084 * * * [progress]: generating series expansions
0.084 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.084 * [backup-simplify]: Simplify (+ (* x x) (* y y)) into (+ (pow x 2) (pow y 2))
0.084 * [approximate]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in (x y) around 0
0.084 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.084 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.084 * [taylor]: Taking taylor expansion of x in y
0.085 * [backup-simplify]: Simplify x into x
0.085 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.085 * [taylor]: Taking taylor expansion of y in y
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify 1 into 1
0.085 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.085 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.085 * [taylor]: Taking taylor expansion of x in x
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify 1 into 1
0.085 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.085 * [taylor]: Taking taylor expansion of y in x
0.085 * [backup-simplify]: Simplify y into y
0.085 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.085 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.085 * [taylor]: Taking taylor expansion of x in x
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify 1 into 1
0.085 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.085 * [taylor]: Taking taylor expansion of y in x
0.085 * [backup-simplify]: Simplify y into y
0.085 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.085 * [backup-simplify]: Simplify (+ 0 (pow y 2)) into (pow y 2)
0.085 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.085 * [taylor]: Taking taylor expansion of y in y
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify 1 into 1
0.086 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.086 * [backup-simplify]: Simplify (+ 0 0) into 0
0.086 * [taylor]: Taking taylor expansion of 0 in y
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify (* 1 1) into 1
0.087 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
0.088 * [backup-simplify]: Simplify (+ 1 0) into 1
0.088 * [taylor]: Taking taylor expansion of 1 in y
0.088 * [backup-simplify]: Simplify 1 into 1
0.088 * [backup-simplify]: Simplify 1 into 1
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify (* 1 1) into 1
0.088 * [backup-simplify]: Simplify 1 into 1
0.089 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.089 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.090 * [backup-simplify]: Simplify (+ 0 0) into 0
0.090 * [taylor]: Taking taylor expansion of 0 in y
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.091 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.093 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.093 * [backup-simplify]: Simplify (+ 0 0) into 0
0.093 * [taylor]: Taking taylor expansion of 0 in y
0.093 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify (+ (* 1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (+ (pow x 2) (pow y 2))
0.094 * [backup-simplify]: Simplify (+ (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y))) into (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))
0.094 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.095 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.095 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.095 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.095 * [taylor]: Taking taylor expansion of x in y
0.095 * [backup-simplify]: Simplify x into x
0.095 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.095 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.095 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.095 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.095 * [taylor]: Taking taylor expansion of y in y
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 1 into 1
0.095 * [backup-simplify]: Simplify (* 1 1) into 1
0.096 * [backup-simplify]: Simplify (/ 1 1) into 1
0.096 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.096 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.096 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.096 * [taylor]: Taking taylor expansion of x in x
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify 1 into 1
0.096 * [backup-simplify]: Simplify (* 1 1) into 1
0.097 * [backup-simplify]: Simplify (/ 1 1) into 1
0.097 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.097 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.097 * [taylor]: Taking taylor expansion of y in x
0.097 * [backup-simplify]: Simplify y into y
0.097 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.097 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.097 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.097 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.097 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.097 * [taylor]: Taking taylor expansion of x in x
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.098 * [backup-simplify]: Simplify (* 1 1) into 1
0.098 * [backup-simplify]: Simplify (/ 1 1) into 1
0.098 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.098 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [backup-simplify]: Simplify y into y
0.098 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.098 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.099 * [backup-simplify]: Simplify (+ 1 0) into 1
0.099 * [taylor]: Taking taylor expansion of 1 in y
0.099 * [backup-simplify]: Simplify 1 into 1
0.100 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.100 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.101 * [backup-simplify]: Simplify (+ 0 0) into 0
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.103 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.103 * [backup-simplify]: Simplify (+ 0 (/ 1 (pow y 2))) into (/ 1 (pow y 2))
0.103 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.103 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify 1 into 1
0.103 * [backup-simplify]: Simplify (* 1 1) into 1
0.104 * [backup-simplify]: Simplify (/ 1 1) into 1
0.104 * [backup-simplify]: Simplify 1 into 1
0.104 * [backup-simplify]: Simplify 1 into 1
0.105 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.106 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.106 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.106 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
0.107 * [backup-simplify]: Simplify (+ 0 0) into 0
0.107 * [taylor]: Taking taylor expansion of 0 in y
0.107 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.108 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.111 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.111 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
0.112 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
0.112 * [backup-simplify]: Simplify (+ 0 0) into 0
0.112 * [taylor]: Taking taylor expansion of 0 in y
0.112 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.114 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* 1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (+ (pow x 2) (pow y 2))
0.115 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y)))) into (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))
0.115 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.115 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.115 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.115 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.115 * [taylor]: Taking taylor expansion of x in y
0.115 * [backup-simplify]: Simplify x into x
0.115 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.115 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.115 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.115 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.115 * [taylor]: Taking taylor expansion of y in y
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify 1 into 1
0.116 * [backup-simplify]: Simplify (* 1 1) into 1
0.117 * [backup-simplify]: Simplify (/ 1 1) into 1
0.117 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.117 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 1 into 1
0.117 * [backup-simplify]: Simplify (* 1 1) into 1
0.118 * [backup-simplify]: Simplify (/ 1 1) into 1
0.118 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.118 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.118 * [taylor]: Taking taylor expansion of y in x
0.118 * [backup-simplify]: Simplify y into y
0.118 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.118 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.118 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.118 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 1 into 1
0.119 * [backup-simplify]: Simplify (* 1 1) into 1
0.119 * [backup-simplify]: Simplify (/ 1 1) into 1
0.119 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.119 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.119 * [taylor]: Taking taylor expansion of y in x
0.119 * [backup-simplify]: Simplify y into y
0.119 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.120 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.120 * [backup-simplify]: Simplify (+ 1 0) into 1
0.120 * [taylor]: Taking taylor expansion of 1 in y
0.120 * [backup-simplify]: Simplify 1 into 1
0.121 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.121 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.122 * [backup-simplify]: Simplify (+ 0 0) into 0
0.122 * [taylor]: Taking taylor expansion of 0 in y
0.122 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.138 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.139 * [backup-simplify]: Simplify (+ 0 (/ 1 (pow y 2))) into (/ 1 (pow y 2))
0.139 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.139 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.139 * [taylor]: Taking taylor expansion of y in y
0.139 * [backup-simplify]: Simplify 0 into 0
0.139 * [backup-simplify]: Simplify 1 into 1
0.139 * [backup-simplify]: Simplify (* 1 1) into 1
0.140 * [backup-simplify]: Simplify (/ 1 1) into 1
0.140 * [backup-simplify]: Simplify 1 into 1
0.140 * [backup-simplify]: Simplify 1 into 1
0.140 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.141 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.142 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.142 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
0.142 * [backup-simplify]: Simplify (+ 0 0) into 0
0.142 * [taylor]: Taking taylor expansion of 0 in y
0.142 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.143 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.145 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.146 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
0.146 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
0.146 * [backup-simplify]: Simplify (+ 0 0) into 0
0.146 * [taylor]: Taking taylor expansion of 0 in y
0.146 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.148 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.148 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* 1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (+ (pow x 2) (pow y 2))
0.148 * * * [progress]: simplifying candidates
0.149 * [simplify]: Simplifying:
  (* (exp (* x x)) (exp (* y y)))
  (log (+ (* x x) (* y y)))
  (exp (+ (* x x) (* y y)))
  (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y))))
  (cbrt (+ (* x x) (* y y)))
  (* (* (+ (* x x) (* y y)) (+ (* x x) (* y y))) (+ (* x x) (* y y)))
  (sqrt (+ (* x x) (* y y)))
  (sqrt (+ (* x x) (* y y)))
  (+ (pow (* x x) 3) (pow (* y y) 3))
  (+ (* (* x x) (* x x)) (- (* (* y y) (* y y)) (* (* x x) (* y y))))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (- (* x x) (* y y))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
0.149 * * [simplify]: Extracting # 0 : cost  0
0.149 * * [simplify]: Extracting # 1 : cost  0
0.149 * * [simplify]: Extracting # 2 : cost  0
0.149 * * [simplify]: Extracting # 3 : cost  0
0.149 * * [simplify]: Extracting # 4 : cost  0
0.150 * * [simplify]: Extracting # 5 : cost  0
0.150 * * [simplify]: Extracting # 6 : cost  0
0.150 * * [simplify]: iteration  0 :  30  enodes  (cost  166 )
0.160 * * [simplify]: Extracting # 0 : cost  0
0.160 * * [simplify]: Extracting # 1 : cost  0
0.160 * * [simplify]: Extracting # 2 : cost  0
0.161 * * [simplify]: Extracting # 3 : cost  0
0.161 * * [simplify]: iteration  1 :  118  enodes  (cost  161 )
0.235 * * [simplify]: Extracting # 0 : cost  0
0.242 * * [simplify]: Extracting # 1 : cost  0
0.243 * * [simplify]: Extracting # 2 : cost  0
0.245 * * [simplify]: Extracting # 3 : cost  0
0.246 * * [simplify]: Extracting # 4 : cost  0
0.247 * * [simplify]: iteration  2 :  674  enodes  (cost  131 )
0.661 * * [simplify]: Extracting # 0 : cost  0
0.671 * * [simplify]: Extracting # 1 : cost  0
0.690 * * [simplify]: Extracting # 2 : cost  0
0.702 * * [simplify]: Extracting # 3 : cost  0
0.711 * * [simplify]: Extracting # 4 : cost  0
0.720 * * [simplify]: iteration done:  5000  enodes  (cost  131 )
0.720 * [simplify]: Simplified to:
  (exp (+ (* x x) (* y y)))
  (log (+ (* x x) (* y y)))
  (exp (+ (* x x) (* y y)))
  (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y))))
  (cbrt (+ (* x x) (* y y)))
  (pow (+ (* x x) (* y y)) 3)
  (sqrt (+ (* x x) (* y y)))
  (sqrt (+ (* x x) (* y y)))
  (+ (pow x 6) (pow y 6))
  (- (pow y 4) (- (* (* x x) (* y y)) (pow x 4)))
  (- (pow x 4) (pow y 4))
  (- (* x x) (* y y))
  (+ (* x x) (* y y))
  (+ (* x x) (* y y))
  (+ (* x x) (* y y))
0.720 * * * [progress]: adding candidates to table
0.776 * * [progress]: iteration 2 / 4
0.776 * * * [progress]: picking best candidate
0.781 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))>
0.781 * * * [progress]: localizing error
0.804 * * * [progress]: generating rewritten candidates
0.804 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.892 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
0.919 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
0.941 * * * [progress]: generating series expansions
0.941 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.941 * [backup-simplify]: Simplify (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))) into (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2)))
0.942 * [approximate]: Taking taylor expansion of (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2))) in (x y) around 0
0.942 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2))) in y
0.942 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
0.942 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.942 * [taylor]: Taking taylor expansion of x in y
0.942 * [backup-simplify]: Simplify x into x
0.942 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.942 * [taylor]: Taking taylor expansion of y in y
0.942 * [backup-simplify]: Simplify 0 into 0
0.942 * [backup-simplify]: Simplify 1 into 1
0.942 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
0.942 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.942 * [taylor]: Taking taylor expansion of x in y
0.942 * [backup-simplify]: Simplify x into x
0.942 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.942 * [taylor]: Taking taylor expansion of y in y
0.942 * [backup-simplify]: Simplify 0 into 0
0.942 * [backup-simplify]: Simplify 1 into 1
0.942 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.942 * [backup-simplify]: Simplify (* (pow x 2) (pow x 2)) into (pow x 4)
0.942 * [backup-simplify]: Simplify (+ (pow x 4) 0) into (pow x 4)
0.942 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.943 * [backup-simplify]: Simplify (+ (pow x 2) 0) into (pow x 2)
0.943 * [backup-simplify]: Simplify (/ (pow x 4) (pow x 2)) into (pow x 2)
0.943 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2))) in x
0.943 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
0.943 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.943 * [taylor]: Taking taylor expansion of x in x
0.943 * [backup-simplify]: Simplify 0 into 0
0.943 * [backup-simplify]: Simplify 1 into 1
0.943 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.943 * [taylor]: Taking taylor expansion of y in x
0.943 * [backup-simplify]: Simplify y into y
0.943 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.943 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.943 * [taylor]: Taking taylor expansion of x in x
0.943 * [backup-simplify]: Simplify 0 into 0
0.943 * [backup-simplify]: Simplify 1 into 1
0.943 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.943 * [taylor]: Taking taylor expansion of y in x
0.943 * [backup-simplify]: Simplify y into y
0.943 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.943 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
0.943 * [backup-simplify]: Simplify (- (pow y 4)) into (- (pow y 4))
0.944 * [backup-simplify]: Simplify (+ 0 (- (pow y 4))) into (- (pow y 4))
0.944 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.944 * [backup-simplify]: Simplify (- (pow y 2)) into (- (pow y 2))
0.944 * [backup-simplify]: Simplify (+ 0 (- (pow y 2))) into (- (pow y 2))
0.944 * [backup-simplify]: Simplify (/ (- (pow y 4)) (- (pow y 2))) into (pow y 2)
0.944 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2))) in x
0.944 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
0.944 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.944 * [taylor]: Taking taylor expansion of x in x
0.944 * [backup-simplify]: Simplify 0 into 0
0.944 * [backup-simplify]: Simplify 1 into 1
0.944 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.944 * [taylor]: Taking taylor expansion of y in x
0.944 * [backup-simplify]: Simplify y into y
0.945 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.945 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.945 * [taylor]: Taking taylor expansion of x in x
0.945 * [backup-simplify]: Simplify 0 into 0
0.945 * [backup-simplify]: Simplify 1 into 1
0.945 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.945 * [taylor]: Taking taylor expansion of y in x
0.945 * [backup-simplify]: Simplify y into y
0.945 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.945 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
0.945 * [backup-simplify]: Simplify (- (pow y 4)) into (- (pow y 4))
0.945 * [backup-simplify]: Simplify (+ 0 (- (pow y 4))) into (- (pow y 4))
0.945 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.945 * [backup-simplify]: Simplify (- (pow y 2)) into (- (pow y 2))
0.945 * [backup-simplify]: Simplify (+ 0 (- (pow y 2))) into (- (pow y 2))
0.946 * [backup-simplify]: Simplify (/ (- (pow y 4)) (- (pow y 2))) into (pow y 2)
0.946 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.946 * [taylor]: Taking taylor expansion of y in y
0.946 * [backup-simplify]: Simplify 0 into 0
0.946 * [backup-simplify]: Simplify 1 into 1
0.946 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.946 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
0.947 * [backup-simplify]: Simplify (- 0) into 0
0.947 * [backup-simplify]: Simplify (+ 0 0) into 0
0.947 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.948 * [backup-simplify]: Simplify (- 0) into 0
0.948 * [backup-simplify]: Simplify (+ 0 0) into 0
0.949 * [backup-simplify]: Simplify (- (/ 0 (- (pow y 2))) (+ (* (pow y 2) (/ 0 (- (pow y 2)))))) into 0
0.949 * [taylor]: Taking taylor expansion of 0 in y
0.949 * [backup-simplify]: Simplify 0 into 0
0.949 * [backup-simplify]: Simplify 0 into 0
0.949 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
0.950 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
0.950 * [backup-simplify]: Simplify (- 0) into 0
0.950 * [backup-simplify]: Simplify (+ 0 0) into 0
0.951 * [backup-simplify]: Simplify (* 1 1) into 1
0.951 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
0.951 * [backup-simplify]: Simplify (- 0) into 0
0.952 * [backup-simplify]: Simplify (+ 1 0) into 1
0.952 * [backup-simplify]: Simplify (- (/ 0 (- (pow y 2))) (+ (* (pow y 2) (/ 1 (- (pow y 2)))) (* 0 (/ 0 (- (pow y 2)))))) into 1
0.953 * [taylor]: Taking taylor expansion of 1 in y
0.953 * [backup-simplify]: Simplify 1 into 1
0.953 * [backup-simplify]: Simplify 1 into 1
0.953 * [backup-simplify]: Simplify 0 into 0
0.953 * [backup-simplify]: Simplify (* 1 1) into 1
0.953 * [backup-simplify]: Simplify 1 into 1
0.954 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.955 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow y 2))))) into 0
0.955 * [backup-simplify]: Simplify (- 0) into 0
0.955 * [backup-simplify]: Simplify (+ 0 0) into 0
0.956 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.956 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.957 * [backup-simplify]: Simplify (- 0) into 0
0.957 * [backup-simplify]: Simplify (+ 0 0) into 0
0.958 * [backup-simplify]: Simplify (- (/ 0 (- (pow y 2))) (+ (* (pow y 2) (/ 0 (- (pow y 2)))) (* 0 (/ 1 (- (pow y 2)))) (* 1 (/ 0 (- (pow y 2)))))) into 0
0.958 * [taylor]: Taking taylor expansion of 0 in y
0.958 * [backup-simplify]: Simplify 0 into 0
0.958 * [backup-simplify]: Simplify 0 into 0
0.958 * [backup-simplify]: Simplify 0 into 0
0.958 * [backup-simplify]: Simplify 0 into 0
0.959 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.959 * [backup-simplify]: Simplify 0 into 0
0.959 * [backup-simplify]: Simplify (* 1 1) into 1
0.959 * [backup-simplify]: Simplify (* 1 1) into 1
0.960 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.961 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow y 2)))))) into 0
0.962 * [backup-simplify]: Simplify (- 0) into 0
0.962 * [backup-simplify]: Simplify (+ 1 0) into 1
0.963 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.964 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.964 * [backup-simplify]: Simplify (- 0) into 0
0.964 * [backup-simplify]: Simplify (+ 0 0) into 0
0.965 * [backup-simplify]: Simplify (- (/ 1 (- (pow y 2))) (+ (* (pow y 2) (/ 0 (- (pow y 2)))) (* 0 (/ 0 (- (pow y 2)))) (* 1 (/ 1 (- (pow y 2)))) (* 0 (/ 0 (- (pow y 2)))))) into 0
0.965 * [taylor]: Taking taylor expansion of 0 in y
0.965 * [backup-simplify]: Simplify 0 into 0
0.965 * [backup-simplify]: Simplify 0 into 0
0.965 * [backup-simplify]: Simplify 0 into 0
0.966 * [backup-simplify]: Simplify (+ (* 1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (+ (pow x 2) (pow y 2))
0.966 * [backup-simplify]: Simplify (/ (- (pow (/ 1 x) 4) (pow (/ 1 y) 4)) (- (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y)))) into (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2))))
0.966 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.966 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.966 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.966 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.966 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.966 * [taylor]: Taking taylor expansion of x in y
0.966 * [backup-simplify]: Simplify x into x
0.966 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.967 * [backup-simplify]: Simplify (* (pow x 2) (pow x 2)) into (pow x 4)
0.967 * [backup-simplify]: Simplify (/ 1 (pow x 4)) into (/ 1 (pow x 4))
0.967 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.967 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.967 * [taylor]: Taking taylor expansion of y in y
0.967 * [backup-simplify]: Simplify 0 into 0
0.967 * [backup-simplify]: Simplify 1 into 1
0.967 * [backup-simplify]: Simplify (* 1 1) into 1
0.968 * [backup-simplify]: Simplify (* 1 1) into 1
0.968 * [backup-simplify]: Simplify (/ 1 1) into 1
0.968 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.968 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.968 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.968 * [taylor]: Taking taylor expansion of x in y
0.968 * [backup-simplify]: Simplify x into x
0.968 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.968 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.968 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.968 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.968 * [taylor]: Taking taylor expansion of y in y
0.968 * [backup-simplify]: Simplify 0 into 0
0.968 * [backup-simplify]: Simplify 1 into 1
0.969 * [backup-simplify]: Simplify (* 1 1) into 1
0.969 * [backup-simplify]: Simplify (/ 1 1) into 1
0.969 * [backup-simplify]: Simplify (- 1) into -1
0.970 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.970 * [backup-simplify]: Simplify (- 1) into -1
0.970 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.971 * [backup-simplify]: Simplify (/ -1 -1) into 1
0.971 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.971 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.971 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.971 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.971 * [taylor]: Taking taylor expansion of x in x
0.971 * [backup-simplify]: Simplify 0 into 0
0.971 * [backup-simplify]: Simplify 1 into 1
0.971 * [backup-simplify]: Simplify (* 1 1) into 1
0.972 * [backup-simplify]: Simplify (* 1 1) into 1
0.972 * [backup-simplify]: Simplify (/ 1 1) into 1
0.972 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.972 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.972 * [taylor]: Taking taylor expansion of y in x
0.972 * [backup-simplify]: Simplify y into y
0.972 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.972 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
0.972 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
0.972 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.972 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.972 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.972 * [taylor]: Taking taylor expansion of x in x
0.973 * [backup-simplify]: Simplify 0 into 0
0.973 * [backup-simplify]: Simplify 1 into 1
0.973 * [backup-simplify]: Simplify (* 1 1) into 1
0.973 * [backup-simplify]: Simplify (/ 1 1) into 1
0.973 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.973 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.973 * [taylor]: Taking taylor expansion of y in x
0.973 * [backup-simplify]: Simplify y into y
0.973 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.973 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.974 * [backup-simplify]: Simplify (+ 1 0) into 1
0.974 * [backup-simplify]: Simplify (+ 1 0) into 1
0.974 * [backup-simplify]: Simplify (/ 1 1) into 1
0.975 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.975 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.975 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.975 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.975 * [taylor]: Taking taylor expansion of x in x
0.975 * [backup-simplify]: Simplify 0 into 0
0.975 * [backup-simplify]: Simplify 1 into 1
0.975 * [backup-simplify]: Simplify (* 1 1) into 1
0.975 * [backup-simplify]: Simplify (* 1 1) into 1
0.976 * [backup-simplify]: Simplify (/ 1 1) into 1
0.976 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.976 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.976 * [taylor]: Taking taylor expansion of y in x
0.976 * [backup-simplify]: Simplify y into y
0.976 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.976 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
0.976 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
0.976 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.976 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.976 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.976 * [taylor]: Taking taylor expansion of x in x
0.976 * [backup-simplify]: Simplify 0 into 0
0.976 * [backup-simplify]: Simplify 1 into 1
0.981 * [backup-simplify]: Simplify (* 1 1) into 1
0.982 * [backup-simplify]: Simplify (/ 1 1) into 1
0.982 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.982 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.982 * [taylor]: Taking taylor expansion of y in x
0.982 * [backup-simplify]: Simplify y into y
0.982 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.982 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.983 * [backup-simplify]: Simplify (+ 1 0) into 1
0.983 * [backup-simplify]: Simplify (+ 1 0) into 1
0.983 * [backup-simplify]: Simplify (/ 1 1) into 1
0.983 * [taylor]: Taking taylor expansion of 1 in y
0.983 * [backup-simplify]: Simplify 1 into 1
0.984 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.985 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.985 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.985 * [backup-simplify]: Simplify (+ 0 0) into 0
0.986 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.987 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.987 * [backup-simplify]: Simplify (+ 0 0) into 0
0.987 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)))) into 0
0.988 * [taylor]: Taking taylor expansion of 0 in y
0.988 * [backup-simplify]: Simplify 0 into 0
0.988 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.989 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.990 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.990 * [backup-simplify]: Simplify (+ 0 0) into 0
0.991 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.991 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.992 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
0.992 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
0.993 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ (- (/ 1 (pow y 2))) 1)) (* 0 (/ 0 1)))) into (/ 1 (pow y 2))
0.993 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.993 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.993 * [taylor]: Taking taylor expansion of y in y
0.993 * [backup-simplify]: Simplify 0 into 0
0.993 * [backup-simplify]: Simplify 1 into 1
0.993 * [backup-simplify]: Simplify (* 1 1) into 1
0.994 * [backup-simplify]: Simplify (/ 1 1) into 1
0.994 * [backup-simplify]: Simplify 1 into 1
0.994 * [backup-simplify]: Simplify 1 into 1
0.995 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.995 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.996 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.996 * [backup-simplify]: Simplify (+ 0 0) into 0
0.997 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.998 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.998 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.998 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
0.999 * [backup-simplify]: Simplify (- 0) into 0
0.999 * [backup-simplify]: Simplify (+ 0 0) into 0
1.001 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* 0 (/ (- (/ 1 (pow y 2))) 1)) (* (/ 1 (pow y 2)) (/ 0 1)))) into 0
1.001 * [taylor]: Taking taylor expansion of 0 in y
1.001 * [backup-simplify]: Simplify 0 into 0
1.001 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.002 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.002 * [backup-simplify]: Simplify 0 into 0
1.002 * [backup-simplify]: Simplify 0 into 0
1.002 * [backup-simplify]: Simplify 0 into 0
1.003 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.004 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.005 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.005 * [backup-simplify]: Simplify (- (/ 1 (pow y 4))) into (- (/ 1 (pow y 4)))
1.005 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 4)))) into (- (/ 1 (pow y 4)))
1.006 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.007 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.007 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
1.008 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
1.008 * [backup-simplify]: Simplify (- 0) into 0
1.008 * [backup-simplify]: Simplify (+ 0 0) into 0
1.010 * [backup-simplify]: Simplify (- (/ (- (/ 1 (pow y 4))) 1) (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* (/ 1 (pow y 2)) (/ (- (/ 1 (pow y 2))) 1)) (* 0 (/ 0 1)))) into 0
1.010 * [taylor]: Taking taylor expansion of 0 in y
1.010 * [backup-simplify]: Simplify 0 into 0
1.011 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.012 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.012 * [backup-simplify]: Simplify 0 into 0
1.012 * [backup-simplify]: Simplify 0 into 0
1.012 * [backup-simplify]: Simplify 0 into 0
1.012 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* 1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (+ (pow x 2) (pow y 2))
1.013 * [backup-simplify]: Simplify (/ (- (pow (/ 1 (- x)) 4) (pow (/ 1 (- y)) 4)) (- (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y))))) into (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2))))
1.013 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
1.013 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
1.013 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
1.013 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
1.013 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.013 * [taylor]: Taking taylor expansion of x in y
1.013 * [backup-simplify]: Simplify x into x
1.013 * [backup-simplify]: Simplify (* x x) into (pow x 2)
1.013 * [backup-simplify]: Simplify (* (pow x 2) (pow x 2)) into (pow x 4)
1.013 * [backup-simplify]: Simplify (/ 1 (pow x 4)) into (/ 1 (pow x 4))
1.013 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
1.013 * [taylor]: Taking taylor expansion of (pow y 4) in y
1.013 * [taylor]: Taking taylor expansion of y in y
1.013 * [backup-simplify]: Simplify 0 into 0
1.013 * [backup-simplify]: Simplify 1 into 1
1.014 * [backup-simplify]: Simplify (* 1 1) into 1
1.014 * [backup-simplify]: Simplify (* 1 1) into 1
1.014 * [backup-simplify]: Simplify (/ 1 1) into 1
1.015 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
1.015 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.015 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.015 * [taylor]: Taking taylor expansion of x in y
1.015 * [backup-simplify]: Simplify x into x
1.015 * [backup-simplify]: Simplify (* x x) into (pow x 2)
1.015 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
1.015 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.015 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.015 * [taylor]: Taking taylor expansion of y in y
1.015 * [backup-simplify]: Simplify 0 into 0
1.015 * [backup-simplify]: Simplify 1 into 1
1.015 * [backup-simplify]: Simplify (* 1 1) into 1
1.016 * [backup-simplify]: Simplify (/ 1 1) into 1
1.016 * [backup-simplify]: Simplify (- 1) into -1
1.016 * [backup-simplify]: Simplify (+ 0 -1) into -1
1.017 * [backup-simplify]: Simplify (- 1) into -1
1.017 * [backup-simplify]: Simplify (+ 0 -1) into -1
1.017 * [backup-simplify]: Simplify (/ -1 -1) into 1
1.017 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
1.017 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
1.017 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.017 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.017 * [taylor]: Taking taylor expansion of x in x
1.017 * [backup-simplify]: Simplify 0 into 0
1.017 * [backup-simplify]: Simplify 1 into 1
1.018 * [backup-simplify]: Simplify (* 1 1) into 1
1.018 * [backup-simplify]: Simplify (* 1 1) into 1
1.018 * [backup-simplify]: Simplify (/ 1 1) into 1
1.018 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
1.018 * [taylor]: Taking taylor expansion of (pow y 4) in x
1.018 * [taylor]: Taking taylor expansion of y in x
1.018 * [backup-simplify]: Simplify y into y
1.019 * [backup-simplify]: Simplify (* y y) into (pow y 2)
1.019 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
1.019 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
1.019 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
1.019 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.019 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.019 * [taylor]: Taking taylor expansion of x in x
1.019 * [backup-simplify]: Simplify 0 into 0
1.019 * [backup-simplify]: Simplify 1 into 1
1.019 * [backup-simplify]: Simplify (* 1 1) into 1
1.020 * [backup-simplify]: Simplify (/ 1 1) into 1
1.020 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.020 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.020 * [taylor]: Taking taylor expansion of y in x
1.020 * [backup-simplify]: Simplify y into y
1.020 * [backup-simplify]: Simplify (* y y) into (pow y 2)
1.020 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
1.020 * [backup-simplify]: Simplify (+ 1 0) into 1
1.021 * [backup-simplify]: Simplify (+ 1 0) into 1
1.021 * [backup-simplify]: Simplify (/ 1 1) into 1
1.021 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
1.021 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
1.021 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.021 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.021 * [taylor]: Taking taylor expansion of x in x
1.021 * [backup-simplify]: Simplify 0 into 0
1.021 * [backup-simplify]: Simplify 1 into 1
1.021 * [backup-simplify]: Simplify (* 1 1) into 1
1.022 * [backup-simplify]: Simplify (* 1 1) into 1
1.022 * [backup-simplify]: Simplify (/ 1 1) into 1
1.022 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
1.022 * [taylor]: Taking taylor expansion of (pow y 4) in x
1.022 * [taylor]: Taking taylor expansion of y in x
1.022 * [backup-simplify]: Simplify y into y
1.022 * [backup-simplify]: Simplify (* y y) into (pow y 2)
1.022 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
1.023 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
1.023 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
1.023 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.023 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.023 * [taylor]: Taking taylor expansion of x in x
1.023 * [backup-simplify]: Simplify 0 into 0
1.023 * [backup-simplify]: Simplify 1 into 1
1.023 * [backup-simplify]: Simplify (* 1 1) into 1
1.023 * [backup-simplify]: Simplify (/ 1 1) into 1
1.023 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.023 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.023 * [taylor]: Taking taylor expansion of y in x
1.023 * [backup-simplify]: Simplify y into y
1.024 * [backup-simplify]: Simplify (* y y) into (pow y 2)
1.024 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
1.024 * [backup-simplify]: Simplify (+ 1 0) into 1
1.024 * [backup-simplify]: Simplify (+ 1 0) into 1
1.025 * [backup-simplify]: Simplify (/ 1 1) into 1
1.025 * [taylor]: Taking taylor expansion of 1 in y
1.025 * [backup-simplify]: Simplify 1 into 1
1.025 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.026 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.027 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.028 * [backup-simplify]: Simplify (+ 0 0) into 0
1.030 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.031 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.031 * [backup-simplify]: Simplify (+ 0 0) into 0
1.032 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)))) into 0
1.032 * [taylor]: Taking taylor expansion of 0 in y
1.032 * [backup-simplify]: Simplify 0 into 0
1.033 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.034 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.035 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.035 * [backup-simplify]: Simplify (+ 0 0) into 0
1.036 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.037 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.038 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
1.038 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
1.039 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ (- (/ 1 (pow y 2))) 1)) (* 0 (/ 0 1)))) into (/ 1 (pow y 2))
1.039 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.039 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.039 * [taylor]: Taking taylor expansion of y in y
1.039 * [backup-simplify]: Simplify 0 into 0
1.039 * [backup-simplify]: Simplify 1 into 1
1.040 * [backup-simplify]: Simplify (* 1 1) into 1
1.040 * [backup-simplify]: Simplify (/ 1 1) into 1
1.040 * [backup-simplify]: Simplify 1 into 1
1.040 * [backup-simplify]: Simplify 1 into 1
1.041 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.042 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.042 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.043 * [backup-simplify]: Simplify (+ 0 0) into 0
1.044 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.044 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.044 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
1.045 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
1.045 * [backup-simplify]: Simplify (- 0) into 0
1.045 * [backup-simplify]: Simplify (+ 0 0) into 0
1.047 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* 0 (/ (- (/ 1 (pow y 2))) 1)) (* (/ 1 (pow y 2)) (/ 0 1)))) into 0
1.047 * [taylor]: Taking taylor expansion of 0 in y
1.047 * [backup-simplify]: Simplify 0 into 0
1.047 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.048 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.048 * [backup-simplify]: Simplify 0 into 0
1.048 * [backup-simplify]: Simplify 0 into 0
1.048 * [backup-simplify]: Simplify 0 into 0
1.049 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.050 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.050 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.051 * [backup-simplify]: Simplify (- (/ 1 (pow y 4))) into (- (/ 1 (pow y 4)))
1.051 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 4)))) into (- (/ 1 (pow y 4)))
1.052 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.052 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.053 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
1.053 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
1.053 * [backup-simplify]: Simplify (- 0) into 0
1.054 * [backup-simplify]: Simplify (+ 0 0) into 0
1.055 * [backup-simplify]: Simplify (- (/ (- (/ 1 (pow y 4))) 1) (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* (/ 1 (pow y 2)) (/ (- (/ 1 (pow y 2))) 1)) (* 0 (/ 0 1)))) into 0
1.055 * [taylor]: Taking taylor expansion of 0 in y
1.056 * [backup-simplify]: Simplify 0 into 0
1.056 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.057 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.057 * [backup-simplify]: Simplify 0 into 0
1.057 * [backup-simplify]: Simplify 0 into 0
1.057 * [backup-simplify]: Simplify 0 into 0
1.057 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* 1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (+ (pow x 2) (pow y 2))
1.057 * * * * [progress]: [ 2 / 3 ] generating series at (2 1)
1.058 * [backup-simplify]: Simplify (- (pow x 4) (pow y 4)) into (- (pow x 4) (pow y 4))
1.058 * [approximate]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in (x y) around 0
1.058 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
1.058 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.058 * [taylor]: Taking taylor expansion of x in y
1.058 * [backup-simplify]: Simplify x into x
1.058 * [taylor]: Taking taylor expansion of (pow y 4) in y
1.058 * [taylor]: Taking taylor expansion of y in y
1.058 * [backup-simplify]: Simplify 0 into 0
1.058 * [backup-simplify]: Simplify 1 into 1
1.058 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
1.058 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.058 * [taylor]: Taking taylor expansion of x in x
1.058 * [backup-simplify]: Simplify 0 into 0
1.058 * [backup-simplify]: Simplify 1 into 1
1.058 * [taylor]: Taking taylor expansion of (pow y 4) in x
1.058 * [taylor]: Taking taylor expansion of y in x
1.058 * [backup-simplify]: Simplify y into y
1.058 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
1.058 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.058 * [taylor]: Taking taylor expansion of x in x
1.058 * [backup-simplify]: Simplify 0 into 0
1.058 * [backup-simplify]: Simplify 1 into 1
1.058 * [taylor]: Taking taylor expansion of (pow y 4) in x
1.058 * [taylor]: Taking taylor expansion of y in x
1.058 * [backup-simplify]: Simplify y into y
1.058 * [backup-simplify]: Simplify (* y y) into (pow y 2)
1.059 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
1.059 * [backup-simplify]: Simplify (- (pow y 4)) into (- (pow y 4))
1.059 * [backup-simplify]: Simplify (+ 0 (- (pow y 4))) into (- (pow y 4))
1.059 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y
1.059 * [taylor]: Taking taylor expansion of (pow y 4) in y
1.059 * [taylor]: Taking taylor expansion of y in y
1.059 * [backup-simplify]: Simplify 0 into 0
1.059 * [backup-simplify]: Simplify 1 into 1
1.059 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
1.059 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
1.060 * [backup-simplify]: Simplify (- 0) into 0
1.060 * [backup-simplify]: Simplify (+ 0 0) into 0
1.060 * [taylor]: Taking taylor expansion of 0 in y
1.060 * [backup-simplify]: Simplify 0 into 0
1.060 * [backup-simplify]: Simplify 0 into 0
1.061 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
1.061 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
1.061 * [backup-simplify]: Simplify (- 0) into 0
1.062 * [backup-simplify]: Simplify (+ 0 0) into 0
1.062 * [taylor]: Taking taylor expansion of 0 in y
1.062 * [backup-simplify]: Simplify 0 into 0
1.062 * [backup-simplify]: Simplify 0 into 0
1.062 * [backup-simplify]: Simplify 0 into 0
1.062 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
1.063 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow y 2))))) into 0
1.064 * [backup-simplify]: Simplify (- 0) into 0
1.064 * [backup-simplify]: Simplify (+ 0 0) into 0
1.064 * [taylor]: Taking taylor expansion of 0 in y
1.064 * [backup-simplify]: Simplify 0 into 0
1.064 * [backup-simplify]: Simplify 0 into 0
1.064 * [backup-simplify]: Simplify 0 into 0
1.064 * [backup-simplify]: Simplify 0 into 0
1.064 * [backup-simplify]: Simplify 0 into 0
1.065 * [backup-simplify]: Simplify (- (pow (/ 1 x) 4) (pow (/ 1 y) 4)) into (- (/ 1 (pow x 4)) (/ 1 (pow y 4)))
1.065 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (x y) around 0
1.065 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
1.065 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
1.065 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.065 * [taylor]: Taking taylor expansion of x in y
1.065 * [backup-simplify]: Simplify x into x
1.065 * [backup-simplify]: Simplify (* x x) into (pow x 2)
1.065 * [backup-simplify]: Simplify (* (pow x 2) (pow x 2)) into (pow x 4)
1.065 * [backup-simplify]: Simplify (/ 1 (pow x 4)) into (/ 1 (pow x 4))
1.065 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
1.065 * [taylor]: Taking taylor expansion of (pow y 4) in y
1.065 * [taylor]: Taking taylor expansion of y in y
1.065 * [backup-simplify]: Simplify 0 into 0
1.065 * [backup-simplify]: Simplify 1 into 1
1.066 * [backup-simplify]: Simplify (* 1 1) into 1
1.066 * [backup-simplify]: Simplify (* 1 1) into 1
1.066 * [backup-simplify]: Simplify (/ 1 1) into 1
1.066 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
1.066 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.066 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.066 * [taylor]: Taking taylor expansion of x in x
1.066 * [backup-simplify]: Simplify 0 into 0
1.066 * [backup-simplify]: Simplify 1 into 1
1.067 * [backup-simplify]: Simplify (* 1 1) into 1
1.067 * [backup-simplify]: Simplify (* 1 1) into 1
1.067 * [backup-simplify]: Simplify (/ 1 1) into 1
1.067 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
1.067 * [taylor]: Taking taylor expansion of (pow y 4) in x
1.067 * [taylor]: Taking taylor expansion of y in x
1.067 * [backup-simplify]: Simplify y into y
1.067 * [backup-simplify]: Simplify (* y y) into (pow y 2)
1.068 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
1.068 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
1.068 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
1.068 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.068 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.068 * [taylor]: Taking taylor expansion of x in x
1.068 * [backup-simplify]: Simplify 0 into 0
1.068 * [backup-simplify]: Simplify 1 into 1
1.068 * [backup-simplify]: Simplify (* 1 1) into 1
1.068 * [backup-simplify]: Simplify (* 1 1) into 1
1.069 * [backup-simplify]: Simplify (/ 1 1) into 1
1.069 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
1.069 * [taylor]: Taking taylor expansion of (pow y 4) in x
1.069 * [taylor]: Taking taylor expansion of y in x
1.069 * [backup-simplify]: Simplify y into y
1.069 * [backup-simplify]: Simplify (* y y) into (pow y 2)
1.069 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
1.069 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
1.070 * [backup-simplify]: Simplify (+ 1 0) into 1
1.070 * [taylor]: Taking taylor expansion of 1 in y
1.070 * [backup-simplify]: Simplify 1 into 1
1.070 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.071 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.071 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.072 * [backup-simplify]: Simplify (+ 0 0) into 0
1.072 * [taylor]: Taking taylor expansion of 0 in y
1.072 * [backup-simplify]: Simplify 0 into 0
1.072 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.073 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.074 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.074 * [backup-simplify]: Simplify (+ 0 0) into 0
1.074 * [taylor]: Taking taylor expansion of 0 in y
1.074 * [backup-simplify]: Simplify 0 into 0
1.075 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.076 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.076 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.077 * [backup-simplify]: Simplify (+ 0 0) into 0
1.077 * [taylor]: Taking taylor expansion of 0 in y
1.077 * [backup-simplify]: Simplify 0 into 0
1.078 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.079 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.079 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.079 * [backup-simplify]: Simplify (- (/ 1 (pow y 4))) into (- (/ 1 (pow y 4)))
1.080 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 4)))) into (- (/ 1 (pow y 4)))
1.080 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) in y
1.080 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
1.080 * [taylor]: Taking taylor expansion of (pow y 4) in y
1.080 * [taylor]: Taking taylor expansion of y in y
1.080 * [backup-simplify]: Simplify 0 into 0
1.080 * [backup-simplify]: Simplify 1 into 1
1.080 * [backup-simplify]: Simplify (* 1 1) into 1
1.080 * [backup-simplify]: Simplify (* 1 1) into 1
1.081 * [backup-simplify]: Simplify (/ 1 1) into 1
1.081 * [backup-simplify]: Simplify (- 1) into -1
1.081 * [backup-simplify]: Simplify -1 into -1
1.081 * [backup-simplify]: Simplify 1 into 1
1.082 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.083 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.084 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.084 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
1.084 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
1.085 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))))) into 0
1.085 * [backup-simplify]: Simplify (- 0) into 0
1.085 * [backup-simplify]: Simplify (+ 0 0) into 0
1.085 * [taylor]: Taking taylor expansion of 0 in y
1.085 * [backup-simplify]: Simplify 0 into 0
1.086 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.086 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.087 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.087 * [backup-simplify]: Simplify (- 0) into 0
1.087 * [backup-simplify]: Simplify 0 into 0
1.087 * [backup-simplify]: Simplify 0 into 0
1.087 * [backup-simplify]: Simplify 0 into 0
1.089 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.090 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.091 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.091 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
1.092 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
1.092 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))) (* 0 (/ 0 (pow y 4))))) into 0
1.092 * [backup-simplify]: Simplify (- 0) into 0
1.093 * [backup-simplify]: Simplify (+ 0 0) into 0
1.093 * [taylor]: Taking taylor expansion of 0 in y
1.093 * [backup-simplify]: Simplify 0 into 0
1.093 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.094 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.095 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.095 * [backup-simplify]: Simplify (- 0) into 0
1.095 * [backup-simplify]: Simplify 0 into 0
1.095 * [backup-simplify]: Simplify 0 into 0
1.095 * [backup-simplify]: Simplify 0 into 0
1.095 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 4)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 4))) into (- (pow x 4) (pow y 4))
1.096 * [backup-simplify]: Simplify (- (pow (/ 1 (- x)) 4) (pow (/ 1 (- y)) 4)) into (- (/ 1 (pow x 4)) (/ 1 (pow y 4)))
1.096 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (x y) around 0
1.096 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
1.096 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
1.096 * [taylor]: Taking taylor expansion of (pow x 4) in y
1.096 * [taylor]: Taking taylor expansion of x in y
1.096 * [backup-simplify]: Simplify x into x
1.096 * [backup-simplify]: Simplify (* x x) into (pow x 2)
1.096 * [backup-simplify]: Simplify (* (pow x 2) (pow x 2)) into (pow x 4)
1.096 * [backup-simplify]: Simplify (/ 1 (pow x 4)) into (/ 1 (pow x 4))
1.096 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
1.096 * [taylor]: Taking taylor expansion of (pow y 4) in y
1.096 * [taylor]: Taking taylor expansion of y in y
1.097 * [backup-simplify]: Simplify 0 into 0
1.097 * [backup-simplify]: Simplify 1 into 1
1.097 * [backup-simplify]: Simplify (* 1 1) into 1
1.097 * [backup-simplify]: Simplify (* 1 1) into 1
1.097 * [backup-simplify]: Simplify (/ 1 1) into 1
1.097 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
1.097 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.098 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.098 * [taylor]: Taking taylor expansion of x in x
1.098 * [backup-simplify]: Simplify 0 into 0
1.098 * [backup-simplify]: Simplify 1 into 1
1.098 * [backup-simplify]: Simplify (* 1 1) into 1
1.098 * [backup-simplify]: Simplify (* 1 1) into 1
1.098 * [backup-simplify]: Simplify (/ 1 1) into 1
1.098 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
1.099 * [taylor]: Taking taylor expansion of (pow y 4) in x
1.099 * [taylor]: Taking taylor expansion of y in x
1.099 * [backup-simplify]: Simplify y into y
1.099 * [backup-simplify]: Simplify (* y y) into (pow y 2)
1.099 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
1.099 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
1.099 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
1.099 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.099 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.099 * [taylor]: Taking taylor expansion of x in x
1.099 * [backup-simplify]: Simplify 0 into 0
1.099 * [backup-simplify]: Simplify 1 into 1
1.099 * [backup-simplify]: Simplify (* 1 1) into 1
1.100 * [backup-simplify]: Simplify (* 1 1) into 1
1.100 * [backup-simplify]: Simplify (/ 1 1) into 1
1.100 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
1.100 * [taylor]: Taking taylor expansion of (pow y 4) in x
1.100 * [taylor]: Taking taylor expansion of y in x
1.100 * [backup-simplify]: Simplify y into y
1.100 * [backup-simplify]: Simplify (* y y) into (pow y 2)
1.100 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
1.100 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
1.101 * [backup-simplify]: Simplify (+ 1 0) into 1
1.101 * [taylor]: Taking taylor expansion of 1 in y
1.101 * [backup-simplify]: Simplify 1 into 1
1.101 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.102 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.102 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.103 * [backup-simplify]: Simplify (+ 0 0) into 0
1.103 * [taylor]: Taking taylor expansion of 0 in y
1.103 * [backup-simplify]: Simplify 0 into 0
1.104 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.104 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.105 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.105 * [backup-simplify]: Simplify (+ 0 0) into 0
1.105 * [taylor]: Taking taylor expansion of 0 in y
1.105 * [backup-simplify]: Simplify 0 into 0
1.106 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.113 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.114 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.114 * [backup-simplify]: Simplify (+ 0 0) into 0
1.114 * [taylor]: Taking taylor expansion of 0 in y
1.114 * [backup-simplify]: Simplify 0 into 0
1.115 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.116 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.117 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.117 * [backup-simplify]: Simplify (- (/ 1 (pow y 4))) into (- (/ 1 (pow y 4)))
1.118 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 4)))) into (- (/ 1 (pow y 4)))
1.118 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) in y
1.118 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
1.118 * [taylor]: Taking taylor expansion of (pow y 4) in y
1.118 * [taylor]: Taking taylor expansion of y in y
1.118 * [backup-simplify]: Simplify 0 into 0
1.118 * [backup-simplify]: Simplify 1 into 1
1.118 * [backup-simplify]: Simplify (* 1 1) into 1
1.118 * [backup-simplify]: Simplify (* 1 1) into 1
1.119 * [backup-simplify]: Simplify (/ 1 1) into 1
1.119 * [backup-simplify]: Simplify (- 1) into -1
1.119 * [backup-simplify]: Simplify -1 into -1
1.119 * [backup-simplify]: Simplify 1 into 1
1.120 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.121 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.122 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.122 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
1.122 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
1.123 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))))) into 0
1.123 * [backup-simplify]: Simplify (- 0) into 0
1.123 * [backup-simplify]: Simplify (+ 0 0) into 0
1.123 * [taylor]: Taking taylor expansion of 0 in y
1.123 * [backup-simplify]: Simplify 0 into 0
1.124 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.124 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.125 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.125 * [backup-simplify]: Simplify (- 0) into 0
1.125 * [backup-simplify]: Simplify 0 into 0
1.125 * [backup-simplify]: Simplify 0 into 0
1.125 * [backup-simplify]: Simplify 0 into 0
1.126 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.128 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.128 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.129 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
1.129 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
1.130 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))) (* 0 (/ 0 (pow y 4))))) into 0
1.130 * [backup-simplify]: Simplify (- 0) into 0
1.130 * [backup-simplify]: Simplify (+ 0 0) into 0
1.130 * [taylor]: Taking taylor expansion of 0 in y
1.130 * [backup-simplify]: Simplify 0 into 0
1.131 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.132 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.132 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.133 * [backup-simplify]: Simplify (- 0) into 0
1.133 * [backup-simplify]: Simplify 0 into 0
1.133 * [backup-simplify]: Simplify 0 into 0
1.133 * [backup-simplify]: Simplify 0 into 0
1.133 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 4)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 4))) into (- (pow x 4) (pow y 4))
1.133 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
1.134 * [backup-simplify]: Simplify (- (* x x) (* y y)) into (- (pow x 2) (pow y 2))
1.134 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in (x y) around 0
1.134 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
1.134 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.134 * [taylor]: Taking taylor expansion of x in y
1.134 * [backup-simplify]: Simplify x into x
1.134 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.134 * [taylor]: Taking taylor expansion of y in y
1.134 * [backup-simplify]: Simplify 0 into 0
1.134 * [backup-simplify]: Simplify 1 into 1
1.134 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
1.134 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.134 * [taylor]: Taking taylor expansion of x in x
1.134 * [backup-simplify]: Simplify 0 into 0
1.134 * [backup-simplify]: Simplify 1 into 1
1.134 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.134 * [taylor]: Taking taylor expansion of y in x
1.134 * [backup-simplify]: Simplify y into y
1.134 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
1.134 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.134 * [taylor]: Taking taylor expansion of x in x
1.134 * [backup-simplify]: Simplify 0 into 0
1.134 * [backup-simplify]: Simplify 1 into 1
1.134 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.134 * [taylor]: Taking taylor expansion of y in x
1.134 * [backup-simplify]: Simplify y into y
1.134 * [backup-simplify]: Simplify (* y y) into (pow y 2)
1.134 * [backup-simplify]: Simplify (- (pow y 2)) into (- (pow y 2))
1.135 * [backup-simplify]: Simplify (+ 0 (- (pow y 2))) into (- (pow y 2))
1.135 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
1.135 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.135 * [taylor]: Taking taylor expansion of y in y
1.135 * [backup-simplify]: Simplify 0 into 0
1.135 * [backup-simplify]: Simplify 1 into 1
1.135 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
1.135 * [backup-simplify]: Simplify (- 0) into 0
1.136 * [backup-simplify]: Simplify (+ 0 0) into 0
1.136 * [taylor]: Taking taylor expansion of 0 in y
1.136 * [backup-simplify]: Simplify 0 into 0
1.136 * [backup-simplify]: Simplify 0 into 0
1.136 * [backup-simplify]: Simplify (* 1 1) into 1
1.136 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
1.137 * [backup-simplify]: Simplify (- 0) into 0
1.137 * [backup-simplify]: Simplify (+ 1 0) into 1
1.137 * [taylor]: Taking taylor expansion of 1 in y
1.137 * [backup-simplify]: Simplify 1 into 1
1.137 * [backup-simplify]: Simplify 1 into 1
1.137 * [backup-simplify]: Simplify 0 into 0
1.137 * [backup-simplify]: Simplify (* 1 1) into 1
1.138 * [backup-simplify]: Simplify (- 1) into -1
1.138 * [backup-simplify]: Simplify -1 into -1
1.138 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.139 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
1.139 * [backup-simplify]: Simplify (- 0) into 0
1.139 * [backup-simplify]: Simplify (+ 0 0) into 0
1.139 * [taylor]: Taking taylor expansion of 0 in y
1.140 * [backup-simplify]: Simplify 0 into 0
1.140 * [backup-simplify]: Simplify 0 into 0
1.140 * [backup-simplify]: Simplify 0 into 0
1.140 * [backup-simplify]: Simplify 0 into 0
1.140 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.140 * [backup-simplify]: Simplify (- 0) into 0
1.140 * [backup-simplify]: Simplify 0 into 0
1.141 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.142 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
1.142 * [backup-simplify]: Simplify (- 0) into 0
1.143 * [backup-simplify]: Simplify (+ 0 0) into 0
1.143 * [taylor]: Taking taylor expansion of 0 in y
1.143 * [backup-simplify]: Simplify 0 into 0
1.143 * [backup-simplify]: Simplify 0 into 0
1.143 * [backup-simplify]: Simplify 0 into 0
1.143 * [backup-simplify]: Simplify (+ (* -1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (- (pow x 2) (pow y 2))
1.143 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
1.143 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
1.143 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
1.144 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.144 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.144 * [taylor]: Taking taylor expansion of x in y
1.144 * [backup-simplify]: Simplify x into x
1.144 * [backup-simplify]: Simplify (* x x) into (pow x 2)
1.144 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
1.144 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.144 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.144 * [taylor]: Taking taylor expansion of y in y
1.144 * [backup-simplify]: Simplify 0 into 0
1.144 * [backup-simplify]: Simplify 1 into 1
1.144 * [backup-simplify]: Simplify (* 1 1) into 1
1.145 * [backup-simplify]: Simplify (/ 1 1) into 1
1.145 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
1.145 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.145 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.145 * [taylor]: Taking taylor expansion of x in x
1.145 * [backup-simplify]: Simplify 0 into 0
1.145 * [backup-simplify]: Simplify 1 into 1
1.145 * [backup-simplify]: Simplify (* 1 1) into 1
1.145 * [backup-simplify]: Simplify (/ 1 1) into 1
1.145 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.145 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.145 * [taylor]: Taking taylor expansion of y in x
1.145 * [backup-simplify]: Simplify y into y
1.145 * [backup-simplify]: Simplify (* y y) into (pow y 2)
1.146 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
1.146 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
1.146 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.146 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.146 * [taylor]: Taking taylor expansion of x in x
1.146 * [backup-simplify]: Simplify 0 into 0
1.146 * [backup-simplify]: Simplify 1 into 1
1.146 * [backup-simplify]: Simplify (* 1 1) into 1
1.146 * [backup-simplify]: Simplify (/ 1 1) into 1
1.146 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.146 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.146 * [taylor]: Taking taylor expansion of y in x
1.146 * [backup-simplify]: Simplify y into y
1.147 * [backup-simplify]: Simplify (* y y) into (pow y 2)
1.147 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
1.147 * [backup-simplify]: Simplify (+ 1 0) into 1
1.147 * [taylor]: Taking taylor expansion of 1 in y
1.147 * [backup-simplify]: Simplify 1 into 1
1.148 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.148 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.148 * [backup-simplify]: Simplify (+ 0 0) into 0
1.148 * [taylor]: Taking taylor expansion of 0 in y
1.149 * [backup-simplify]: Simplify 0 into 0
1.149 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.150 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.150 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
1.150 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
1.150 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
1.150 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.150 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.150 * [taylor]: Taking taylor expansion of y in y
1.150 * [backup-simplify]: Simplify 0 into 0
1.150 * [backup-simplify]: Simplify 1 into 1
1.151 * [backup-simplify]: Simplify (* 1 1) into 1
1.151 * [backup-simplify]: Simplify (/ 1 1) into 1
1.151 * [backup-simplify]: Simplify (- 1) into -1
1.151 * [backup-simplify]: Simplify -1 into -1
1.151 * [backup-simplify]: Simplify 1 into 1
1.152 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.153 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.153 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
1.153 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
1.154 * [backup-simplify]: Simplify (- 0) into 0
1.154 * [backup-simplify]: Simplify (+ 0 0) into 0
1.154 * [taylor]: Taking taylor expansion of 0 in y
1.154 * [backup-simplify]: Simplify 0 into 0
1.155 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.155 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.155 * [backup-simplify]: Simplify (- 0) into 0
1.155 * [backup-simplify]: Simplify 0 into 0
1.156 * [backup-simplify]: Simplify 0 into 0
1.156 * [backup-simplify]: Simplify 0 into 0
1.156 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.157 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.157 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
1.158 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
1.158 * [backup-simplify]: Simplify (- 0) into 0
1.159 * [backup-simplify]: Simplify (+ 0 0) into 0
1.159 * [taylor]: Taking taylor expansion of 0 in y
1.159 * [backup-simplify]: Simplify 0 into 0
1.159 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.160 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.160 * [backup-simplify]: Simplify (- 0) into 0
1.160 * [backup-simplify]: Simplify 0 into 0
1.160 * [backup-simplify]: Simplify 0 into 0
1.160 * [backup-simplify]: Simplify 0 into 0
1.161 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (- (pow x 2) (pow y 2))
1.161 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y)))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
1.161 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
1.161 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
1.161 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
1.161 * [taylor]: Taking taylor expansion of (pow x 2) in y
1.161 * [taylor]: Taking taylor expansion of x in y
1.161 * [backup-simplify]: Simplify x into x
1.161 * [backup-simplify]: Simplify (* x x) into (pow x 2)
1.161 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
1.161 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.161 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.161 * [taylor]: Taking taylor expansion of y in y
1.162 * [backup-simplify]: Simplify 0 into 0
1.162 * [backup-simplify]: Simplify 1 into 1
1.162 * [backup-simplify]: Simplify (* 1 1) into 1
1.162 * [backup-simplify]: Simplify (/ 1 1) into 1
1.162 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
1.162 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.162 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.162 * [taylor]: Taking taylor expansion of x in x
1.162 * [backup-simplify]: Simplify 0 into 0
1.162 * [backup-simplify]: Simplify 1 into 1
1.163 * [backup-simplify]: Simplify (* 1 1) into 1
1.163 * [backup-simplify]: Simplify (/ 1 1) into 1
1.163 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.163 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.163 * [taylor]: Taking taylor expansion of y in x
1.163 * [backup-simplify]: Simplify y into y
1.163 * [backup-simplify]: Simplify (* y y) into (pow y 2)
1.163 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
1.163 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
1.163 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.163 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.164 * [taylor]: Taking taylor expansion of x in x
1.164 * [backup-simplify]: Simplify 0 into 0
1.164 * [backup-simplify]: Simplify 1 into 1
1.164 * [backup-simplify]: Simplify (* 1 1) into 1
1.164 * [backup-simplify]: Simplify (/ 1 1) into 1
1.164 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
1.164 * [taylor]: Taking taylor expansion of (pow y 2) in x
1.164 * [taylor]: Taking taylor expansion of y in x
1.164 * [backup-simplify]: Simplify y into y
1.164 * [backup-simplify]: Simplify (* y y) into (pow y 2)
1.165 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
1.165 * [backup-simplify]: Simplify (+ 1 0) into 1
1.165 * [taylor]: Taking taylor expansion of 1 in y
1.165 * [backup-simplify]: Simplify 1 into 1
1.165 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.166 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.166 * [backup-simplify]: Simplify (+ 0 0) into 0
1.166 * [taylor]: Taking taylor expansion of 0 in y
1.166 * [backup-simplify]: Simplify 0 into 0
1.167 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.168 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.168 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
1.168 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
1.168 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
1.168 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.168 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.168 * [taylor]: Taking taylor expansion of y in y
1.168 * [backup-simplify]: Simplify 0 into 0
1.168 * [backup-simplify]: Simplify 1 into 1
1.169 * [backup-simplify]: Simplify (* 1 1) into 1
1.169 * [backup-simplify]: Simplify (/ 1 1) into 1
1.169 * [backup-simplify]: Simplify (- 1) into -1
1.169 * [backup-simplify]: Simplify -1 into -1
1.169 * [backup-simplify]: Simplify 1 into 1
1.170 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.171 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.171 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
1.171 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
1.171 * [backup-simplify]: Simplify (- 0) into 0
1.172 * [backup-simplify]: Simplify (+ 0 0) into 0
1.172 * [taylor]: Taking taylor expansion of 0 in y
1.172 * [backup-simplify]: Simplify 0 into 0
1.172 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.173 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.173 * [backup-simplify]: Simplify (- 0) into 0
1.173 * [backup-simplify]: Simplify 0 into 0
1.173 * [backup-simplify]: Simplify 0 into 0
1.173 * [backup-simplify]: Simplify 0 into 0
1.174 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.175 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.175 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
1.176 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
1.176 * [backup-simplify]: Simplify (- 0) into 0
1.176 * [backup-simplify]: Simplify (+ 0 0) into 0
1.176 * [taylor]: Taking taylor expansion of 0 in y
1.176 * [backup-simplify]: Simplify 0 into 0
1.177 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.178 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.178 * [backup-simplify]: Simplify (- 0) into 0
1.178 * [backup-simplify]: Simplify 0 into 0
1.178 * [backup-simplify]: Simplify 0 into 0
1.178 * [backup-simplify]: Simplify 0 into 0
1.179 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (- (pow x 2) (pow y 2))
1.179 * * * [progress]: simplifying candidates
1.182 * [simplify]: Simplifying:
  (- (log (- (pow x 4) (pow y 4))) (log (- (* x x) (* y y))))
  (log (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))
  (exp (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))
  (/ (* (* (- (pow x 4) (pow y 4)) (- (pow x 4) (pow y 4))) (- (pow x 4) (pow y 4))) (* (* (- (* x x) (* y y)) (- (* x x) (* y y))) (- (* x x) (* y y))))
  (* (cbrt (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y)))) (cbrt (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y)))))
  (cbrt (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))
  (* (* (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))) (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y)))) (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))
  (sqrt (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))
  (sqrt (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))
  (- (- (pow x 4) (pow y 4)))
  (- (- (* x x) (* y y)))
  (/ (pow x 4) (- (* x x) (* y y)))
  (/ (pow y 4) (- (* x x) (* y y)))
  (/ (* (cbrt (- (pow x 4) (pow y 4))) (cbrt (- (pow x 4) (pow y 4)))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (cbrt (- (pow x 4) (pow y 4))) (cbrt (- (* x x) (* y y))))
  (/ (* (cbrt (- (pow x 4) (pow y 4))) (cbrt (- (pow x 4) (pow y 4)))) (sqrt (- (* x x) (* y y))))
  (/ (cbrt (- (pow x 4) (pow y 4))) (sqrt (- (* x x) (* y y))))
  (/ (* (cbrt (- (pow x 4) (pow y 4))) (cbrt (- (pow x 4) (pow y 4)))) 1)
  (/ (cbrt (- (pow x 4) (pow y 4))) (- (* x x) (* y y)))
  (/ (* (cbrt (- (pow x 4) (pow y 4))) (cbrt (- (pow x 4) (pow y 4)))) (+ x y))
  (/ (cbrt (- (pow x 4) (pow y 4))) (- x y))
  (/ (sqrt (- (pow x 4) (pow y 4))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (sqrt (- (pow x 4) (pow y 4))) (cbrt (- (* x x) (* y y))))
  (/ (sqrt (- (pow x 4) (pow y 4))) (sqrt (- (* x x) (* y y))))
  (/ (sqrt (- (pow x 4) (pow y 4))) (sqrt (- (* x x) (* y y))))
  (/ (sqrt (- (pow x 4) (pow y 4))) 1)
  (/ (sqrt (- (pow x 4) (pow y 4))) (- (* x x) (* y y)))
  (/ (sqrt (- (pow x 4) (pow y 4))) (+ x y))
  (/ (sqrt (- (pow x 4) (pow y 4))) (- x y))
  (/ 1 (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow x 4) (pow y 4)) (cbrt (- (* x x) (* y y))))
  (/ 1 (sqrt (- (* x x) (* y y))))
  (/ (- (pow x 4) (pow y 4)) (sqrt (- (* x x) (* y y))))
  (/ 1 1)
  (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y)))
  (/ 1 (+ x y))
  (/ (- (pow x 4) (pow y 4)) (- x y))
  (/ (+ (pow (sqrt x) 4) (pow (sqrt y) 4)) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow (sqrt x) 4) (pow (sqrt y) 4)) (cbrt (- (* x x) (* y y))))
  (/ (+ (pow (sqrt x) 4) (pow (sqrt y) 4)) (sqrt (- (* x x) (* y y))))
  (/ (- (pow (sqrt x) 4) (pow (sqrt y) 4)) (sqrt (- (* x x) (* y y))))
  (/ (+ (pow (sqrt x) 4) (pow (sqrt y) 4)) 1)
  (/ (- (pow (sqrt x) 4) (pow (sqrt y) 4)) (- (* x x) (* y y)))
  (/ (+ (pow (sqrt x) 4) (pow (sqrt y) 4)) (+ x y))
  (/ (- (pow (sqrt x) 4) (pow (sqrt y) 4)) (- x y))
  (/ (+ (pow (sqrt x) 4) (sqrt (pow y 4))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow (sqrt x) 4) (sqrt (pow y 4))) (cbrt (- (* x x) (* y y))))
  (/ (+ (pow (sqrt x) 4) (sqrt (pow y 4))) (sqrt (- (* x x) (* y y))))
  (/ (- (pow (sqrt x) 4) (sqrt (pow y 4))) (sqrt (- (* x x) (* y y))))
  (/ (+ (pow (sqrt x) 4) (sqrt (pow y 4))) 1)
  (/ (- (pow (sqrt x) 4) (sqrt (pow y 4))) (- (* x x) (* y y)))
  (/ (+ (pow (sqrt x) 4) (sqrt (pow y 4))) (+ x y))
  (/ (- (pow (sqrt x) 4) (sqrt (pow y 4))) (- x y))
  (/ (+ (pow (sqrt x) 4) (pow y (/ 4 2))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow (sqrt x) 4) (pow y (/ 4 2))) (cbrt (- (* x x) (* y y))))
  (/ (+ (pow (sqrt x) 4) (pow y (/ 4 2))) (sqrt (- (* x x) (* y y))))
  (/ (- (pow (sqrt x) 4) (pow y (/ 4 2))) (sqrt (- (* x x) (* y y))))
  (/ (+ (pow (sqrt x) 4) (pow y (/ 4 2))) 1)
  (/ (- (pow (sqrt x) 4) (pow y (/ 4 2))) (- (* x x) (* y y)))
  (/ (+ (pow (sqrt x) 4) (pow y (/ 4 2))) (+ x y))
  (/ (- (pow (sqrt x) 4) (pow y (/ 4 2))) (- x y))
  (/ (+ (sqrt (pow x 4)) (pow (sqrt y) 4)) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (sqrt (pow x 4)) (pow (sqrt y) 4)) (cbrt (- (* x x) (* y y))))
  (/ (+ (sqrt (pow x 4)) (pow (sqrt y) 4)) (sqrt (- (* x x) (* y y))))
  (/ (- (sqrt (pow x 4)) (pow (sqrt y) 4)) (sqrt (- (* x x) (* y y))))
  (/ (+ (sqrt (pow x 4)) (pow (sqrt y) 4)) 1)
  (/ (- (sqrt (pow x 4)) (pow (sqrt y) 4)) (- (* x x) (* y y)))
  (/ (+ (sqrt (pow x 4)) (pow (sqrt y) 4)) (+ x y))
  (/ (- (sqrt (pow x 4)) (pow (sqrt y) 4)) (- x y))
  (/ (+ (sqrt (pow x 4)) (sqrt (pow y 4))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (sqrt (pow x 4)) (sqrt (pow y 4))) (cbrt (- (* x x) (* y y))))
  (/ (+ (sqrt (pow x 4)) (sqrt (pow y 4))) (sqrt (- (* x x) (* y y))))
  (/ (- (sqrt (pow x 4)) (sqrt (pow y 4))) (sqrt (- (* x x) (* y y))))
  (/ (+ (sqrt (pow x 4)) (sqrt (pow y 4))) 1)
  (/ (- (sqrt (pow x 4)) (sqrt (pow y 4))) (- (* x x) (* y y)))
  (/ (+ (sqrt (pow x 4)) (sqrt (pow y 4))) (+ x y))
  (/ (- (sqrt (pow x 4)) (sqrt (pow y 4))) (- x y))
  (/ (+ (sqrt (pow x 4)) (pow y (/ 4 2))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (sqrt (pow x 4)) (pow y (/ 4 2))) (cbrt (- (* x x) (* y y))))
  (/ (+ (sqrt (pow x 4)) (pow y (/ 4 2))) (sqrt (- (* x x) (* y y))))
  (/ (- (sqrt (pow x 4)) (pow y (/ 4 2))) (sqrt (- (* x x) (* y y))))
  (/ (+ (sqrt (pow x 4)) (pow y (/ 4 2))) 1)
  (/ (- (sqrt (pow x 4)) (pow y (/ 4 2))) (- (* x x) (* y y)))
  (/ (+ (sqrt (pow x 4)) (pow y (/ 4 2))) (+ x y))
  (/ (- (sqrt (pow x 4)) (pow y (/ 4 2))) (- x y))
  (/ (+ (pow x (/ 4 2)) (pow (sqrt y) 4)) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow x (/ 4 2)) (pow (sqrt y) 4)) (cbrt (- (* x x) (* y y))))
  (/ (+ (pow x (/ 4 2)) (pow (sqrt y) 4)) (sqrt (- (* x x) (* y y))))
  (/ (- (pow x (/ 4 2)) (pow (sqrt y) 4)) (sqrt (- (* x x) (* y y))))
  (/ (+ (pow x (/ 4 2)) (pow (sqrt y) 4)) 1)
  (/ (- (pow x (/ 4 2)) (pow (sqrt y) 4)) (- (* x x) (* y y)))
  (/ (+ (pow x (/ 4 2)) (pow (sqrt y) 4)) (+ x y))
  (/ (- (pow x (/ 4 2)) (pow (sqrt y) 4)) (- x y))
  (/ (+ (pow x (/ 4 2)) (sqrt (pow y 4))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow x (/ 4 2)) (sqrt (pow y 4))) (cbrt (- (* x x) (* y y))))
  (/ (+ (pow x (/ 4 2)) (sqrt (pow y 4))) (sqrt (- (* x x) (* y y))))
  (/ (- (pow x (/ 4 2)) (sqrt (pow y 4))) (sqrt (- (* x x) (* y y))))
  (/ (+ (pow x (/ 4 2)) (sqrt (pow y 4))) 1)
  (/ (- (pow x (/ 4 2)) (sqrt (pow y 4))) (- (* x x) (* y y)))
  (/ (+ (pow x (/ 4 2)) (sqrt (pow y 4))) (+ x y))
  (/ (- (pow x (/ 4 2)) (sqrt (pow y 4))) (- x y))
  (/ (+ (pow x (/ 4 2)) (pow y (/ 4 2))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow x (/ 4 2)) (pow y (/ 4 2))) (cbrt (- (* x x) (* y y))))
  (/ (+ (pow x (/ 4 2)) (pow y (/ 4 2))) (sqrt (- (* x x) (* y y))))
  (/ (- (pow x (/ 4 2)) (pow y (/ 4 2))) (sqrt (- (* x x) (* y y))))
  (/ (+ (pow x (/ 4 2)) (pow y (/ 4 2))) 1)
  (/ (- (pow x (/ 4 2)) (pow y (/ 4 2))) (- (* x x) (* y y)))
  (/ (+ (pow x (/ 4 2)) (pow y (/ 4 2))) (+ x y))
  (/ (- (pow x (/ 4 2)) (pow y (/ 4 2))) (- x y))
  (/ (pow 1 4) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow x 4) (pow y 4)) (cbrt (- (* x x) (* y y))))
  (/ (pow 1 4) (sqrt (- (* x x) (* y y))))
  (/ (- (pow x 4) (pow y 4)) (sqrt (- (* x x) (* y y))))
  (/ (pow 1 4) 1)
  (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y)))
  (/ (pow 1 4) (+ x y))
  (/ (- (pow x 4) (pow y 4)) (- x y))
  (/ 1 (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow x 4) (pow y 4)) (cbrt (- (* x x) (* y y))))
  (/ 1 (sqrt (- (* x x) (* y y))))
  (/ (- (pow x 4) (pow y 4)) (sqrt (- (* x x) (* y y))))
  (/ 1 1)
  (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y)))
  (/ 1 (+ x y))
  (/ (- (pow x 4) (pow y 4)) (- x y))
  (/ 1 (- (* x x) (* y y)))
  (/ (- (* x x) (* y y)) (- (pow x 4) (pow y 4)))
  (/ (- (pow x 4) (pow y 4)) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow x 4) (pow y 4)) (sqrt (- (* x x) (* y y))))
  (/ (- (pow x 4) (pow y 4)) 1)
  (/ (- (pow x 4) (pow y 4)) (+ x y))
  (/ (- (* x x) (* y y)) (cbrt (- (pow x 4) (pow y 4))))
  (/ (- (* x x) (* y y)) (sqrt (- (pow x 4) (pow y 4))))
  (/ (- (* x x) (* y y)) (- (pow x 4) (pow y 4)))
  (/ (- (* x x) (* y y)) (- (pow (sqrt x) 4) (pow (sqrt y) 4)))
  (/ (- (* x x) (* y y)) (- (pow (sqrt x) 4) (sqrt (pow y 4))))
  (/ (- (* x x) (* y y)) (- (pow (sqrt x) 4) (pow y (/ 4 2))))
  (/ (- (* x x) (* y y)) (- (sqrt (pow x 4)) (pow (sqrt y) 4)))
  (/ (- (* x x) (* y y)) (- (sqrt (pow x 4)) (sqrt (pow y 4))))
  (/ (- (* x x) (* y y)) (- (sqrt (pow x 4)) (pow y (/ 4 2))))
  (/ (- (* x x) (* y y)) (- (pow x (/ 4 2)) (pow (sqrt y) 4)))
  (/ (- (* x x) (* y y)) (- (pow x (/ 4 2)) (sqrt (pow y 4))))
  (/ (- (* x x) (* y y)) (- (pow x (/ 4 2)) (pow y (/ 4 2))))
  (/ (- (* x x) (* y y)) (- (pow x 4) (pow y 4)))
  (/ (- (* x x) (* y y)) (- (pow x 4) (pow y 4)))
  (/ (- (pow x 4) (pow y 4)) (- (pow (* x x) 3) (pow (* y y) 3)))
  (/ (- (pow x 4) (pow y 4)) (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (- (* x x) (* y y)) (+ (* (pow x 4) (pow x 4)) (+ (* (pow y 4) (pow y 4)) (* (pow x 4) (pow y 4)))))
  (* (- (* x x) (* y y)) (+ (pow x 4) (pow y 4)))
  (/ (exp (pow x 4)) (exp (pow y 4)))
  (log (- (pow x 4) (pow y 4)))
  (exp (- (pow x 4) (pow y 4)))
  (* (cbrt (- (pow x 4) (pow y 4))) (cbrt (- (pow x 4) (pow y 4))))
  (cbrt (- (pow x 4) (pow y 4)))
  (* (* (- (pow x 4) (pow y 4)) (- (pow x 4) (pow y 4))) (- (pow x 4) (pow y 4)))
  (sqrt (- (pow x 4) (pow y 4)))
  (sqrt (- (pow x 4) (pow y 4)))
  (- (pow (pow x 4) 3) (pow (pow y 4) 3))
  (+ (* (pow x 4) (pow x 4)) (+ (* (pow y 4) (pow y 4)) (* (pow x 4) (pow y 4))))
  (- (pow y 4))
  (- (* (pow x 4) (pow x 4)) (* (pow y 4) (pow y 4)))
  (+ (pow x 4) (pow y 4))
  (+ (pow (sqrt x) 4) (pow (sqrt y) 4))
  (- (pow (sqrt x) 4) (pow (sqrt y) 4))
  (+ (pow (sqrt x) 4) (sqrt (pow y 4)))
  (- (pow (sqrt x) 4) (sqrt (pow y 4)))
  (+ (pow (sqrt x) 4) (pow y (/ 4 2)))
  (- (pow (sqrt x) 4) (pow y (/ 4 2)))
  (+ (sqrt (pow x 4)) (pow (sqrt y) 4))
  (- (sqrt (pow x 4)) (pow (sqrt y) 4))
  (+ (sqrt (pow x 4)) (sqrt (pow y 4)))
  (- (sqrt (pow x 4)) (sqrt (pow y 4)))
  (+ (sqrt (pow x 4)) (pow y (/ 4 2)))
  (- (sqrt (pow x 4)) (pow y (/ 4 2)))
  (+ (pow x (/ 4 2)) (pow (sqrt y) 4))
  (- (pow x (/ 4 2)) (pow (sqrt y) 4))
  (+ (pow x (/ 4 2)) (sqrt (pow y 4)))
  (- (pow x (/ 4 2)) (sqrt (pow y 4)))
  (+ (pow x (/ 4 2)) (pow y (/ 4 2)))
  (- (pow x (/ 4 2)) (pow y (/ 4 2)))
  (- (pow x 4) (pow y 4))
  (- (pow x 4) (pow y 4))
  (- (pow y 4))
  (/ (exp (* x x)) (exp (* y y)))
  (log (- (* x x) (* y y)))
  (exp (- (* x x) (* y y)))
  (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y))))
  (cbrt (- (* x x) (* y y)))
  (* (* (- (* x x) (* y y)) (- (* x x) (* y y))) (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (- (pow (* x x) 3) (pow (* y y) 3))
  (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y))))
  (- (* y y))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (+ (* x x) (* y y))
  (+ x y)
  (- x y)
  (- (* y y))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
  0
  (- (pow x 4) (pow y 4))
  (- (pow x 4) (pow y 4))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
1.188 * * [simplify]: Extracting # 0 : cost  0
1.188 * * [simplify]: Extracting # 1 : cost  0
1.189 * * [simplify]: Extracting # 2 : cost  0
1.190 * * [simplify]: Extracting # 3 : cost  0
1.190 * * [simplify]: Extracting # 4 : cost  0
1.191 * * [simplify]: Extracting # 5 : cost  0
1.191 * * [simplify]: Extracting # 6 : cost  0
1.192 * * [simplify]: iteration  0 :  221  enodes  (cost  3074 )
1.287 * * [simplify]: Extracting # 0 : cost  0
1.289 * * [simplify]: Extracting # 1 : cost  0
1.290 * * [simplify]: Extracting # 2 : cost  0
1.291 * * [simplify]: Extracting # 3 : cost  0
1.292 * * [simplify]: iteration  1 :  565  enodes  (cost  2853 )
2.202 * * [simplify]: Extracting # 0 : cost  0
2.208 * * [simplify]: Extracting # 1 : cost  0
2.216 * * [simplify]: Extracting # 2 : cost  0
2.223 * * [simplify]: Extracting # 3 : cost  0
2.229 * * [simplify]: Extracting # 4 : cost  0
2.236 * * [simplify]: iteration  2 :  3196  enodes  (cost  2759 )
4.198 * * [simplify]: Extracting # 0 : cost  0
4.210 * * [simplify]: Extracting # 1 : cost  0
4.222 * * [simplify]: Extracting # 2 : cost  0
4.234 * * [simplify]: Extracting # 3 : cost  0
4.245 * * [simplify]: iteration done:  5002  enodes  (cost  2693 )
4.247 * [simplify]: Simplified to:
  (log (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))
  (log (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))
  (exp (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))
  (/ (pow (- (pow x 4) (pow y 4)) 3) (pow (- (pow x 2) (pow y 2)) 3))
  (* (cbrt (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y)))) (cbrt (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y)))))
  (cbrt (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))
  (pow (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))) 3)
  (sqrt (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))
  (sqrt (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))
  (- (- (pow x 4) (pow y 4)))
  (- (- (* x x) (* y y)))
  (/ (pow x 4) (- (pow x 2) (pow y 2)))
  (/ (pow y 4) (- (pow x 2) (pow y 2)))
  (/ (* (cbrt (- (pow x 4) (pow y 4))) (cbrt (- (pow x 4) (pow y 4)))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (cbrt (- (pow x 4) (pow y 4))) (cbrt (- (* x x) (* y y))))
  (/ (* (cbrt (- (pow x 4) (pow y 4))) (cbrt (- (pow x 4) (pow y 4)))) (sqrt (- (* x x) (* y y))))
  (/ (cbrt (- (pow x 4) (pow y 4))) (sqrt (- (* x x) (* y y))))
  (* (cbrt (- (pow x 4) (pow y 4))) (cbrt (- (pow x 4) (pow y 4))))
  (/ (cbrt (- (pow x 4) (pow y 4))) (- (* x x) (* y y)))
  (/ (* (cbrt (- (pow x 4) (pow y 4))) (cbrt (- (pow x 4) (pow y 4)))) (+ x y))
  (/ (cbrt (- (pow x 4) (pow y 4))) (- x y))
  (/ (sqrt (- (pow x 4) (pow y 4))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (sqrt (- (pow x 4) (pow y 4))) (cbrt (- (* x x) (* y y))))
  (/ (sqrt (- (pow x 4) (pow y 4))) (sqrt (- (* x x) (* y y))))
  (/ (sqrt (- (pow x 4) (pow y 4))) (sqrt (- (* x x) (* y y))))
  (sqrt (- (pow x 4) (pow y 4)))
  (/ (sqrt (- (pow x 4) (pow y 4))) (- (* x x) (* y y)))
  (/ (sqrt (- (pow x 4) (pow y 4))) (+ x y))
  (/ (sqrt (- (pow x 4) (pow y 4))) (- x y))
  (/ 1 (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow x 4) (pow y 4)) (cbrt (- (* x x) (* y y))))
  (/ 1 (sqrt (- (* x x) (* y y))))
  (/ (- (pow x 4) (pow y 4)) (sqrt (- (* x x) (* y y))))
  1
  (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2)))
  (/ 1 (+ x y))
  (/ (- (pow x 4) (pow y 4)) (- x y))
  (/ (+ (* y y) (* x x)) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (* (+ x y) (- x y)) (cbrt (- (* x x) (* y y))))
  (/ (+ (* y y) (* x x)) (sqrt (- (* x x) (* y y))))
  (/ (- (pow x 2) (pow y 2)) (sqrt (- (* x x) (* y y))))
  (+ (* y y) (* x x))
  (/ (+ x y) (/ (- (pow x 2) (pow y 2)) (- x y)))
  (/ (+ (* y y) (* x x)) (+ x y))
  (/ (- (pow x 2) (pow y 2)) (- x y))
  (/ (+ (* x x) (sqrt (pow y 4))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow x 2) (sqrt (pow y 4))) (cbrt (- (* x x) (* y y))))
  (/ (+ (* x x) (sqrt (pow y 4))) (sqrt (- (* x x) (* y y))))
  (/ (- (pow x 2) (sqrt (pow y 4))) (sqrt (- (* x x) (* y y))))
  (+ (* x x) (sqrt (pow y 4)))
  (/ (/ (- (pow x 2) (sqrt (pow y 4))) (+ x y)) (- x y))
  (/ (+ (* x x) (sqrt (pow y 4))) (+ x y))
  (/ (- (pow x 2) (sqrt (pow y 4))) (- x y))
  (/ (+ (* x x) (pow y 2)) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (* (+ x y) (- x y)) (cbrt (- (* x x) (* y y))))
  (/ (+ (* x x) (pow y 2)) (sqrt (- (* x x) (* y y))))
  (/ (- (pow x 2) (pow y 2)) (sqrt (- (* x x) (* y y))))
  (+ (* x x) (pow y 2))
  (/ (+ x y) (/ (- (pow x 2) (pow y 2)) (- x y)))
  (/ (+ (* x x) (pow y 2)) (+ x y))
  (/ (- (pow x 2) (pow y 2)) (- x y))
  (/ (+ (sqrt (pow x 4)) (* y y)) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (sqrt (pow x 4)) (pow y 2)) (cbrt (- (* x x) (* y y))))
  (/ (+ (sqrt (pow x 4)) (* y y)) (sqrt (- (* x x) (* y y))))
  (/ (- (sqrt (pow x 4)) (pow y 2)) (sqrt (- (* x x) (* y y))))
  (+ (sqrt (pow x 4)) (* y y))
  (/ (- (sqrt (pow x 4)) (pow y 2)) (* (+ x y) (- x y)))
  (/ (+ (sqrt (pow x 4)) (* y y)) (+ x y))
  (/ (- (sqrt (pow x 4)) (pow y 2)) (- x y))
  (/ (+ (sqrt (pow x 4)) (sqrt (pow y 4))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (sqrt (pow x 4)) (sqrt (pow y 4))) (cbrt (- (* x x) (* y y))))
  (/ (+ (sqrt (pow x 4)) (sqrt (pow y 4))) (sqrt (- (* x x) (* y y))))
  (/ (- (sqrt (pow x 4)) (sqrt (pow y 4))) (sqrt (- (* x x) (* y y))))
  (+ (sqrt (pow x 4)) (sqrt (pow y 4)))
  (/ (- (sqrt (pow x 4)) (sqrt (pow y 4))) (- (* x x) (* y y)))
  (/ (+ (sqrt (pow x 4)) (sqrt (pow y 4))) (+ x y))
  (/ (- (sqrt (pow x 4)) (sqrt (pow y 4))) (- x y))
  (/ (+ (* y y) (sqrt (pow x 4))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (sqrt (pow x 4)) (pow y 2)) (cbrt (- (* x x) (* y y))))
  (/ (+ (* y y) (sqrt (pow x 4))) (sqrt (- (* x x) (* y y))))
  (/ (- (sqrt (pow x 4)) (pow y 2)) (sqrt (- (* x x) (* y y))))
  (+ (* y y) (sqrt (pow x 4)))
  (/ (- (sqrt (pow x 4)) (pow y 2)) (* (+ x y) (- x y)))
  (/ (+ (* y y) (sqrt (pow x 4))) (+ x y))
  (/ (- (sqrt (pow x 4)) (pow y 2)) (- x y))
  (/ (/ (+ (pow x 2) (* y y)) (cbrt (- (* x x) (* y y)))) (cbrt (- (* x x) (* y y))))
  (/ (* (+ x y) (- x y)) (cbrt (- (* x x) (* y y))))
  (/ (+ (pow x 2) (* y y)) (sqrt (- (* x x) (* y y))))
  (/ (- (pow x 2) (pow y 2)) (sqrt (- (* x x) (* y y))))
  (+ (pow x 2) (* y y))
  (/ (+ x y) (/ (- (pow x 2) (pow y 2)) (- x y)))
  (/ (+ (pow x 2) (* y y)) (+ x y))
  (/ (- (pow x 2) (pow y 2)) (- x y))
  (/ (+ (sqrt (pow y 4)) (pow x 2)) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow x 2) (sqrt (pow y 4))) (cbrt (- (* x x) (* y y))))
  (/ (+ (sqrt (pow y 4)) (pow x 2)) (sqrt (- (* x x) (* y y))))
  (/ (- (pow x 2) (sqrt (pow y 4))) (sqrt (- (* x x) (* y y))))
  (+ (sqrt (pow y 4)) (pow x 2))
  (/ (/ (- (pow x 2) (sqrt (pow y 4))) (+ x y)) (- x y))
  (/ (+ (sqrt (pow y 4)) (pow x 2)) (+ x y))
  (/ (- (pow x 2) (sqrt (pow y 4))) (- x y))
  (/ (+ (* x x) (* y y)) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (* (+ x y) (- x y)) (cbrt (- (* x x) (* y y))))
  (/ (+ (pow x 2) (pow y 2)) (sqrt (- (* x x) (* y y))))
  (/ (- (pow x 2) (pow y 2)) (sqrt (- (* x x) (* y y))))
  (+ (pow x 2) (pow y 2))
  (/ (+ x y) (/ (- (pow x 2) (pow y 2)) (- x y)))
  (/ (+ (pow x 2) (pow y 2)) (+ x y))
  (/ (- (pow x 2) (pow y 2)) (- x y))
  (/ 1 (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow x 4) (pow y 4)) (cbrt (- (* x x) (* y y))))
  (/ 1 (sqrt (- (* x x) (* y y))))
  (/ (- (pow x 4) (pow y 4)) (sqrt (- (* x x) (* y y))))
  1
  (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2)))
  (/ 1 (+ x y))
  (/ (- (pow x 4) (pow y 4)) (- x y))
  (/ 1 (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow x 4) (pow y 4)) (cbrt (- (* x x) (* y y))))
  (/ 1 (sqrt (- (* x x) (* y y))))
  (/ (- (pow x 4) (pow y 4)) (sqrt (- (* x x) (* y y))))
  1
  (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2)))
  (/ 1 (+ x y))
  (/ (- (pow x 4) (pow y 4)) (- x y))
  (/ 1 (- (* x x) (* y y)))
  (/ (- (pow x 2) (pow y 2)) (- (pow x 4) (pow y 4)))
  (/ (- (pow x 4) (pow y 4)) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow x 4) (pow y 4)) (sqrt (- (* x x) (* y y))))
  (- (pow x 4) (pow y 4))
  (/ (- (pow x 4) (pow y 4)) (+ x y))
  (/ (- (* x x) (* y y)) (cbrt (- (pow x 4) (pow y 4))))
  (/ (- (pow x 2) (pow y 2)) (sqrt (- (pow x 4) (pow y 4))))
  (/ (- (pow x 2) (pow y 2)) (- (pow x 4) (pow y 4)))
  (/ (+ x y) (/ (- (pow x 2) (pow y 2)) (- x y)))
  (/ (* (+ x y) (- x y)) (- (pow x 2) (sqrt (pow y 4))))
  (/ (+ x y) (/ (- (pow x 2) (pow y 2)) (- x y)))
  (/ (+ x y) (/ (- (sqrt (pow x 4)) (pow y 2)) (- x y)))
  (/ (- (* x x) (* y y)) (- (sqrt (pow x 4)) (sqrt (pow y 4))))
  (/ (+ x y) (/ (- (sqrt (pow x 4)) (pow y 2)) (- x y)))
  (/ (+ x y) (/ (- (pow x 2) (pow y 2)) (- x y)))
  (/ (* (+ x y) (- x y)) (- (pow x 2) (sqrt (pow y 4))))
  (/ (+ x y) (/ (- (pow x 2) (pow y 2)) (- x y)))
  (/ (- (pow x 2) (pow y 2)) (- (pow x 4) (pow y 4)))
  (/ (- (pow x 2) (pow y 2)) (- (pow x 4) (pow y 4)))
  (/ (- (pow x 4) (pow y 4)) (- (pow x 6) (pow y 6)))
  (/ (- (pow x 4) (pow y 4)) (- (pow x 4) (pow y 4)))
  (* (+ (pow x 8) (* (pow y 4) (+ (pow x 4) (pow y 4)))) (- (pow x 2) (pow y 2)))
  (* (- (* x x) (* y y)) (+ (pow x 4) (pow y 4)))
  (exp (- (pow x 4) (pow y 4)))
  (log (- (pow x 4) (pow y 4)))
  (exp (- (pow x 4) (pow y 4)))
  (* (cbrt (- (pow x 4) (pow y 4))) (cbrt (- (pow x 4) (pow y 4))))
  (cbrt (- (pow x 4) (pow y 4)))
  (pow (- (pow x 4) (pow y 4)) 3)
  (sqrt (- (pow x 4) (pow y 4)))
  (sqrt (- (pow x 4) (pow y 4)))
  (- (pow (pow x 4) 3) (pow (pow y 4) 3))
  (+ (pow x 8) (* (pow y 4) (+ (pow x 4) (pow y 4))))
  (- (pow y 4))
  (- (pow x 8) (pow y 8))
  (+ (pow x 4) (pow y 4))
  (+ (* y y) (* x x))
  (* (+ x y) (- x y))
  (+ (* x x) (sqrt (pow y 4)))
  (- (* x x) (sqrt (pow y 4)))
  (+ (* x x) (pow y 2))
  (* (+ x y) (- x y))
  (+ (sqrt (pow x 4)) (* y y))
  (- (sqrt (pow x 4)) (pow y 2))
  (+ (sqrt (pow x 4)) (sqrt (pow y 4)))
  (- (sqrt (pow x 4)) (sqrt (pow y 4)))
  (+ (* y y) (sqrt (pow x 4)))
  (- (sqrt (pow x 4)) (pow y 2))
  (+ (pow x 2) (* y y))
  (* (+ x y) (- x y))
  (+ (sqrt (pow y 4)) (pow x 2))
  (- (pow x 2) (sqrt (pow y 4)))
  (+ (pow x 2) (pow y 2))
  (* (+ x y) (- x y))
  (- (pow x 4) (pow y 4))
  (- (pow x 4) (pow y 4))
  (- (pow y 4))
  (exp (- (* x x) (* y y)))
  (log (- (pow x 2) (pow y 2)))
  (exp (- (* x x) (* y y)))
  (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y))))
  (cbrt (- (* x x) (* y y)))
  (pow (- (pow x 2) (pow y 2)) 3)
  (sqrt (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (- (pow x 6) (pow y 6))
  (+ (+ (pow x 4) (pow y 4)) (* (* x x) (* y y)))
  (- (* y y))
  (- (pow x 4) (pow y 4))
  (+ (pow x 2) (pow y 2))
  (+ x y)
  (- x y)
  (- (* y y))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
  0
  (- (pow x 4) (pow y 4))
  (- (pow x 4) (pow y 4))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
4.249 * * * [progress]: adding candidates to table
5.040 * [progress]: [Phase 3 of 3] Extracting.
5.040 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+ (* x x) (* y y)))> #<alt (λ (x y) (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))>)
5.041 * * * [regime-changes]: Trying 5 branch expressions: ((* y y) (* x x) (+ (* x x) (* y y)) y x)
5.041 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (+ (* x x) (* y y)))> #<alt (λ (x y) (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))>)
5.088 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (+ (* x x) (* y y)))> #<alt (λ (x y) (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))>)
5.129 * * * * [regimes]: Trying to branch on (+ (* x x) (* y y)) from (#<alt (λ (x y) (+ (* x x) (* y y)))> #<alt (λ (x y) (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))>)
5.176 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+ (* x x) (* y y)))> #<alt (λ (x y) (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))>)
5.217 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+ (* x x) (* y y)))> #<alt (λ (x y) (/ (- (pow x 4) (pow y 4)) (- (* x x) (* y y))))>)
5.261 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
5.262 * [simplify]: Simplifying:
  (+ (* x x) (* y y))
5.262 * * [simplify]: Extracting # 0 : cost  0
5.262 * * [simplify]: Extracting # 1 : cost  0
5.262 * * [simplify]: Extracting # 2 : cost  0
5.262 * * [simplify]: Extracting # 3 : cost  0
5.262 * * [simplify]: Extracting # 4 : cost  0
5.262 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
5.263 * * [simplify]: Extracting # 0 : cost  0
5.263 * * [simplify]: iteration  1 :  6  enodes  (cost  7 )
5.263 * * [simplify]: Extracting # 0 : cost  0
5.263 * * [simplify]: iteration done:  6  enodes  (cost  7 )
5.263 * [simplify]: Simplified to:
  (+ (* x x) (* y y))
6.878 * [regime-testing]: Baseline error score: 0.005750718839854982
6.881 * [regime-testing]: Oracle error score: 0.004250531316414552
6.886 * [regime-testing]: End program error score: 0.005750718839854982