0.150 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.022 * * * [progress]: [2/2] Setting up program.
0.024 * [progress]: [Phase 2 of 3] Improving.
0.024 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (- (* x y) (* z t)) a)
0.025 * * [simplify]: iteration  0 :  9  enodes  (cost  9 )
0.026 * * [simplify]: iteration  1 :  16  enodes  (cost  9 )
0.028 * * [simplify]: iteration  2 :  33  enodes  (cost  9 )
0.033 * * [simplify]: iteration  3 :  45  enodes  (cost  9 )
0.038 * * [simplify]: iteration  4 :  63  enodes  (cost  9 )
0.048 * * [simplify]: iteration  5 :  69  enodes  (cost  9 )
0.056 * * [simplify]: iteration  done :  69  enodes  (cost  9 )
0.056 * [simplify]: Simplified to:
   (/ (- (* x y) (* z t)) a)
0.057 * * [progress]: iteration 1 / 4
0.057 * * * [progress]: picking best candidate
0.059 * * * * [pick]: Picked  #<alt (λ (x y z t a) (/ (- (* x y) (* z t)) a))>
0.059 * * * [progress]: localizing error
0.066 * * * [progress]: generating rewritten candidates
0.066 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.073 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.076 * * * [progress]: generating series expansions
0.076 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.076 * [approximate]: Taking taylor expansion of (/ (- (* x y) (* t z)) a) in (x y z t a) around 0
0.077 * [taylor]: Taking taylor expansion of (/ (- (* x y) (* t z)) a) in a
0.077 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in a
0.077 * [taylor]: Taking taylor expansion of (* x y) in a
0.077 * [taylor]: Taking taylor expansion of x in a
0.077 * [taylor]: Taking taylor expansion of y in a
0.077 * [taylor]: Taking taylor expansion of (* t z) in a
0.077 * [taylor]: Taking taylor expansion of t in a
0.077 * [taylor]: Taking taylor expansion of z in a
0.077 * [taylor]: Taking taylor expansion of a in a
0.077 * [taylor]: Taking taylor expansion of (/ (- (* x y) (* t z)) a) in t
0.077 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in t
0.077 * [taylor]: Taking taylor expansion of (* x y) in t
0.077 * [taylor]: Taking taylor expansion of x in t
0.077 * [taylor]: Taking taylor expansion of y in t
0.077 * [taylor]: Taking taylor expansion of (* t z) in t
0.077 * [taylor]: Taking taylor expansion of t in t
0.077 * [taylor]: Taking taylor expansion of z in t
0.077 * [taylor]: Taking taylor expansion of a in t
0.078 * [taylor]: Taking taylor expansion of (/ (- (* x y) (* t z)) a) in z
0.078 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in z
0.078 * [taylor]: Taking taylor expansion of (* x y) in z
0.078 * [taylor]: Taking taylor expansion of x in z
0.078 * [taylor]: Taking taylor expansion of y in z
0.078 * [taylor]: Taking taylor expansion of (* t z) in z
0.078 * [taylor]: Taking taylor expansion of t in z
0.078 * [taylor]: Taking taylor expansion of z in z
0.078 * [taylor]: Taking taylor expansion of a in z
0.078 * [taylor]: Taking taylor expansion of (/ (- (* x y) (* t z)) a) in y
0.078 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in y
0.078 * [taylor]: Taking taylor expansion of (* x y) in y
0.078 * [taylor]: Taking taylor expansion of x in y
0.078 * [taylor]: Taking taylor expansion of y in y
0.078 * [taylor]: Taking taylor expansion of (* t z) in y
0.078 * [taylor]: Taking taylor expansion of t in y
0.078 * [taylor]: Taking taylor expansion of z in y
0.078 * [taylor]: Taking taylor expansion of a in y
0.078 * [taylor]: Taking taylor expansion of (/ (- (* x y) (* t z)) a) in x
0.078 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in x
0.078 * [taylor]: Taking taylor expansion of (* x y) in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.078 * [taylor]: Taking taylor expansion of y in x
0.079 * [taylor]: Taking taylor expansion of (* t z) in x
0.079 * [taylor]: Taking taylor expansion of t in x
0.079 * [taylor]: Taking taylor expansion of z in x
0.079 * [taylor]: Taking taylor expansion of a in x
0.079 * [taylor]: Taking taylor expansion of (/ (- (* x y) (* t z)) a) in x
0.079 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in x
0.079 * [taylor]: Taking taylor expansion of (* x y) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [taylor]: Taking taylor expansion of y in x
0.079 * [taylor]: Taking taylor expansion of (* t z) in x
0.079 * [taylor]: Taking taylor expansion of t in x
0.079 * [taylor]: Taking taylor expansion of z in x
0.079 * [taylor]: Taking taylor expansion of a in x
0.079 * [taylor]: Taking taylor expansion of (* -1 (/ (* t z) a)) in y
0.079 * [taylor]: Taking taylor expansion of -1 in y
0.079 * [taylor]: Taking taylor expansion of (/ (* t z) a) in y
0.079 * [taylor]: Taking taylor expansion of (* t z) in y
0.079 * [taylor]: Taking taylor expansion of t in y
0.079 * [taylor]: Taking taylor expansion of z in y
0.079 * [taylor]: Taking taylor expansion of a in y
0.079 * [taylor]: Taking taylor expansion of (* -1 (/ (* t z) a)) in z
0.079 * [taylor]: Taking taylor expansion of -1 in z
0.079 * [taylor]: Taking taylor expansion of (/ (* t z) a) in z
0.079 * [taylor]: Taking taylor expansion of (* t z) in z
0.079 * [taylor]: Taking taylor expansion of t in z
0.079 * [taylor]: Taking taylor expansion of z in z
0.079 * [taylor]: Taking taylor expansion of a in z
0.080 * [taylor]: Taking taylor expansion of (/ y a) in y
0.081 * [taylor]: Taking taylor expansion of y in y
0.081 * [taylor]: Taking taylor expansion of a in y
0.081 * [taylor]: Taking taylor expansion of 0 in z
0.081 * [taylor]: Taking taylor expansion of 0 in t
0.081 * [taylor]: Taking taylor expansion of 0 in a
0.081 * [taylor]: Taking taylor expansion of (* -1 (/ t a)) in t
0.081 * [taylor]: Taking taylor expansion of -1 in t
0.081 * [taylor]: Taking taylor expansion of (/ t a) in t
0.081 * [taylor]: Taking taylor expansion of t in t
0.081 * [taylor]: Taking taylor expansion of a in t
0.083 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [taylor]: Taking taylor expansion of 0 in z
0.083 * [taylor]: Taking taylor expansion of 0 in t
0.083 * [taylor]: Taking taylor expansion of 0 in a
0.083 * [taylor]: Taking taylor expansion of (/ 1 a) in z
0.083 * [taylor]: Taking taylor expansion of a in z
0.083 * [taylor]: Taking taylor expansion of (/ 1 a) in t
0.083 * [taylor]: Taking taylor expansion of a in t
0.083 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.083 * [taylor]: Taking taylor expansion of a in a
0.084 * [taylor]: Taking taylor expansion of 0 in z
0.084 * [taylor]: Taking taylor expansion of 0 in t
0.084 * [taylor]: Taking taylor expansion of 0 in a
0.084 * [taylor]: Taking taylor expansion of 0 in t
0.084 * [taylor]: Taking taylor expansion of 0 in a
0.085 * [taylor]: Taking taylor expansion of 0 in t
0.085 * [taylor]: Taking taylor expansion of 0 in a
0.085 * [taylor]: Taking taylor expansion of 0 in a
0.085 * [taylor]: Taking taylor expansion of (/ -1 a) in a
0.085 * [taylor]: Taking taylor expansion of -1 in a
0.085 * [taylor]: Taking taylor expansion of a in a
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.088 * [taylor]: Taking taylor expansion of 0 in z
0.088 * [taylor]: Taking taylor expansion of 0 in t
0.088 * [taylor]: Taking taylor expansion of 0 in a
0.088 * [taylor]: Taking taylor expansion of 0 in z
0.088 * [taylor]: Taking taylor expansion of 0 in t
0.088 * [taylor]: Taking taylor expansion of 0 in a
0.088 * [taylor]: Taking taylor expansion of 0 in z
0.088 * [taylor]: Taking taylor expansion of 0 in t
0.088 * [taylor]: Taking taylor expansion of 0 in a
0.090 * [taylor]: Taking taylor expansion of 0 in z
0.090 * [taylor]: Taking taylor expansion of 0 in t
0.090 * [taylor]: Taking taylor expansion of 0 in a
0.090 * [taylor]: Taking taylor expansion of 0 in t
0.090 * [taylor]: Taking taylor expansion of 0 in a
0.090 * [taylor]: Taking taylor expansion of 0 in t
0.090 * [taylor]: Taking taylor expansion of 0 in a
0.090 * [taylor]: Taking taylor expansion of 0 in t
0.090 * [taylor]: Taking taylor expansion of 0 in a
0.090 * [taylor]: Taking taylor expansion of 0 in t
0.090 * [taylor]: Taking taylor expansion of 0 in a
0.091 * [taylor]: Taking taylor expansion of 0 in t
0.091 * [taylor]: Taking taylor expansion of 0 in a
0.091 * [taylor]: Taking taylor expansion of 0 in a
0.091 * [taylor]: Taking taylor expansion of 0 in a
0.091 * [taylor]: Taking taylor expansion of 0 in a
0.091 * [taylor]: Taking taylor expansion of 0 in a
0.091 * [taylor]: Taking taylor expansion of 0 in a
0.091 * [taylor]: Taking taylor expansion of 0 in a
0.092 * [taylor]: Taking taylor expansion of 0 in a
0.093 * [approximate]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in (x y z t a) around 0
0.093 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in a
0.093 * [taylor]: Taking taylor expansion of a in a
0.093 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in a
0.093 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in a
0.093 * [taylor]: Taking taylor expansion of (* x y) in a
0.093 * [taylor]: Taking taylor expansion of x in a
0.093 * [taylor]: Taking taylor expansion of y in a
0.093 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in a
0.093 * [taylor]: Taking taylor expansion of (* t z) in a
0.093 * [taylor]: Taking taylor expansion of t in a
0.093 * [taylor]: Taking taylor expansion of z in a
0.093 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in t
0.093 * [taylor]: Taking taylor expansion of a in t
0.093 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in t
0.093 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
0.093 * [taylor]: Taking taylor expansion of (* x y) in t
0.093 * [taylor]: Taking taylor expansion of x in t
0.093 * [taylor]: Taking taylor expansion of y in t
0.093 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.093 * [taylor]: Taking taylor expansion of (* t z) in t
0.093 * [taylor]: Taking taylor expansion of t in t
0.093 * [taylor]: Taking taylor expansion of z in t
0.094 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in z
0.094 * [taylor]: Taking taylor expansion of a in z
0.094 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in z
0.094 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.094 * [taylor]: Taking taylor expansion of (* x y) in z
0.094 * [taylor]: Taking taylor expansion of x in z
0.094 * [taylor]: Taking taylor expansion of y in z
0.094 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.094 * [taylor]: Taking taylor expansion of (* t z) in z
0.094 * [taylor]: Taking taylor expansion of t in z
0.094 * [taylor]: Taking taylor expansion of z in z
0.094 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in y
0.094 * [taylor]: Taking taylor expansion of a in y
0.094 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in y
0.094 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.094 * [taylor]: Taking taylor expansion of (* x y) in y
0.094 * [taylor]: Taking taylor expansion of x in y
0.094 * [taylor]: Taking taylor expansion of y in y
0.095 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.095 * [taylor]: Taking taylor expansion of (* t z) in y
0.095 * [taylor]: Taking taylor expansion of t in y
0.095 * [taylor]: Taking taylor expansion of z in y
0.095 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in x
0.095 * [taylor]: Taking taylor expansion of a in x
0.095 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.095 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.095 * [taylor]: Taking taylor expansion of (* x y) in x
0.095 * [taylor]: Taking taylor expansion of x in x
0.095 * [taylor]: Taking taylor expansion of y in x
0.095 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.095 * [taylor]: Taking taylor expansion of (* t z) in x
0.095 * [taylor]: Taking taylor expansion of t in x
0.095 * [taylor]: Taking taylor expansion of z in x
0.095 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in x
0.095 * [taylor]: Taking taylor expansion of a in x
0.095 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.095 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.095 * [taylor]: Taking taylor expansion of (* x y) in x
0.095 * [taylor]: Taking taylor expansion of x in x
0.095 * [taylor]: Taking taylor expansion of y in x
0.096 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.096 * [taylor]: Taking taylor expansion of (* t z) in x
0.096 * [taylor]: Taking taylor expansion of t in x
0.096 * [taylor]: Taking taylor expansion of z in x
0.096 * [taylor]: Taking taylor expansion of (/ a y) in y
0.096 * [taylor]: Taking taylor expansion of a in y
0.096 * [taylor]: Taking taylor expansion of y in y
0.096 * [taylor]: Taking taylor expansion of a in z
0.097 * [taylor]: Taking taylor expansion of (- (/ a (* z t))) in y
0.097 * [taylor]: Taking taylor expansion of (/ a (* z t)) in y
0.097 * [taylor]: Taking taylor expansion of a in y
0.097 * [taylor]: Taking taylor expansion of (* z t) in y
0.097 * [taylor]: Taking taylor expansion of z in y
0.097 * [taylor]: Taking taylor expansion of t in y
0.098 * [taylor]: Taking taylor expansion of 0 in z
0.098 * [taylor]: Taking taylor expansion of a in t
0.099 * [taylor]: Taking taylor expansion of 0 in y
0.099 * [taylor]: Taking taylor expansion of (- (/ a (* z t))) in z
0.099 * [taylor]: Taking taylor expansion of (/ a (* z t)) in z
0.099 * [taylor]: Taking taylor expansion of a in z
0.099 * [taylor]: Taking taylor expansion of (* z t) in z
0.099 * [taylor]: Taking taylor expansion of z in z
0.099 * [taylor]: Taking taylor expansion of t in z
0.100 * [taylor]: Taking taylor expansion of (- (/ a t)) in t
0.100 * [taylor]: Taking taylor expansion of (/ a t) in t
0.100 * [taylor]: Taking taylor expansion of a in t
0.100 * [taylor]: Taking taylor expansion of t in t
0.100 * [taylor]: Taking taylor expansion of (- a) in a
0.100 * [taylor]: Taking taylor expansion of a in a
0.101 * [taylor]: Taking taylor expansion of 0 in z
0.101 * [taylor]: Taking taylor expansion of 0 in t
0.101 * [taylor]: Taking taylor expansion of 0 in t
0.101 * [taylor]: Taking taylor expansion of a in a
0.103 * [taylor]: Taking taylor expansion of 0 in y
0.104 * [taylor]: Taking taylor expansion of 0 in z
0.104 * [taylor]: Taking taylor expansion of 0 in z
0.105 * [taylor]: Taking taylor expansion of 0 in z
0.106 * [taylor]: Taking taylor expansion of 0 in t
0.106 * [taylor]: Taking taylor expansion of 0 in t
0.106 * [taylor]: Taking taylor expansion of 0 in t
0.106 * [taylor]: Taking taylor expansion of 0 in t
0.107 * [taylor]: Taking taylor expansion of 0 in a
0.107 * [taylor]: Taking taylor expansion of 0 in a
0.107 * [taylor]: Taking taylor expansion of 0 in a
0.107 * [taylor]: Taking taylor expansion of 0 in a
0.107 * [approximate]: Taking taylor expansion of (* -1 (* a (- (/ 1 (* x y)) (/ 1 (* t z))))) in (x y z t a) around 0
0.107 * [taylor]: Taking taylor expansion of (* -1 (* a (- (/ 1 (* x y)) (/ 1 (* t z))))) in a
0.107 * [taylor]: Taking taylor expansion of -1 in a
0.107 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in a
0.107 * [taylor]: Taking taylor expansion of a in a
0.107 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in a
0.107 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in a
0.107 * [taylor]: Taking taylor expansion of (* x y) in a
0.107 * [taylor]: Taking taylor expansion of x in a
0.107 * [taylor]: Taking taylor expansion of y in a
0.107 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in a
0.108 * [taylor]: Taking taylor expansion of (* t z) in a
0.108 * [taylor]: Taking taylor expansion of t in a
0.108 * [taylor]: Taking taylor expansion of z in a
0.108 * [taylor]: Taking taylor expansion of (* -1 (* a (- (/ 1 (* x y)) (/ 1 (* t z))))) in t
0.108 * [taylor]: Taking taylor expansion of -1 in t
0.108 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in t
0.108 * [taylor]: Taking taylor expansion of a in t
0.108 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in t
0.108 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
0.108 * [taylor]: Taking taylor expansion of (* x y) in t
0.108 * [taylor]: Taking taylor expansion of x in t
0.108 * [taylor]: Taking taylor expansion of y in t
0.108 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.108 * [taylor]: Taking taylor expansion of (* t z) in t
0.108 * [taylor]: Taking taylor expansion of t in t
0.108 * [taylor]: Taking taylor expansion of z in t
0.108 * [taylor]: Taking taylor expansion of (* -1 (* a (- (/ 1 (* x y)) (/ 1 (* t z))))) in z
0.108 * [taylor]: Taking taylor expansion of -1 in z
0.108 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in z
0.108 * [taylor]: Taking taylor expansion of a in z
0.108 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in z
0.108 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.108 * [taylor]: Taking taylor expansion of (* x y) in z
0.108 * [taylor]: Taking taylor expansion of x in z
0.108 * [taylor]: Taking taylor expansion of y in z
0.108 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.108 * [taylor]: Taking taylor expansion of (* t z) in z
0.108 * [taylor]: Taking taylor expansion of t in z
0.108 * [taylor]: Taking taylor expansion of z in z
0.109 * [taylor]: Taking taylor expansion of (* -1 (* a (- (/ 1 (* x y)) (/ 1 (* t z))))) in y
0.109 * [taylor]: Taking taylor expansion of -1 in y
0.109 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in y
0.109 * [taylor]: Taking taylor expansion of a in y
0.109 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.109 * [taylor]: Taking taylor expansion of (* x y) in y
0.109 * [taylor]: Taking taylor expansion of x in y
0.109 * [taylor]: Taking taylor expansion of y in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.109 * [taylor]: Taking taylor expansion of (* t z) in y
0.109 * [taylor]: Taking taylor expansion of t in y
0.109 * [taylor]: Taking taylor expansion of z in y
0.109 * [taylor]: Taking taylor expansion of (* -1 (* a (- (/ 1 (* x y)) (/ 1 (* t z))))) in x
0.109 * [taylor]: Taking taylor expansion of -1 in x
0.109 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in x
0.109 * [taylor]: Taking taylor expansion of a in x
0.109 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.109 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.109 * [taylor]: Taking taylor expansion of (* x y) in x
0.109 * [taylor]: Taking taylor expansion of x in x
0.109 * [taylor]: Taking taylor expansion of y in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.110 * [taylor]: Taking taylor expansion of (* t z) in x
0.110 * [taylor]: Taking taylor expansion of t in x
0.110 * [taylor]: Taking taylor expansion of z in x
0.110 * [taylor]: Taking taylor expansion of (* -1 (* a (- (/ 1 (* x y)) (/ 1 (* t z))))) in x
0.110 * [taylor]: Taking taylor expansion of -1 in x
0.110 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in x
0.110 * [taylor]: Taking taylor expansion of a in x
0.110 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.110 * [taylor]: Taking taylor expansion of (* x y) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.110 * [taylor]: Taking taylor expansion of (* t z) in x
0.110 * [taylor]: Taking taylor expansion of t in x
0.110 * [taylor]: Taking taylor expansion of z in x
0.111 * [taylor]: Taking taylor expansion of (* -1 (/ a y)) in y
0.111 * [taylor]: Taking taylor expansion of -1 in y
0.111 * [taylor]: Taking taylor expansion of (/ a y) in y
0.111 * [taylor]: Taking taylor expansion of a in y
0.111 * [taylor]: Taking taylor expansion of y in y
0.111 * [taylor]: Taking taylor expansion of (* -1 a) in z
0.111 * [taylor]: Taking taylor expansion of -1 in z
0.111 * [taylor]: Taking taylor expansion of a in z
0.112 * [taylor]: Taking taylor expansion of (/ a (* z t)) in y
0.112 * [taylor]: Taking taylor expansion of a in y
0.112 * [taylor]: Taking taylor expansion of (* z t) in y
0.112 * [taylor]: Taking taylor expansion of z in y
0.112 * [taylor]: Taking taylor expansion of t in y
0.113 * [taylor]: Taking taylor expansion of 0 in z
0.113 * [taylor]: Taking taylor expansion of (* -1 a) in t
0.113 * [taylor]: Taking taylor expansion of -1 in t
0.113 * [taylor]: Taking taylor expansion of a in t
0.115 * [taylor]: Taking taylor expansion of 0 in y
0.115 * [taylor]: Taking taylor expansion of (/ a (* z t)) in z
0.115 * [taylor]: Taking taylor expansion of a in z
0.115 * [taylor]: Taking taylor expansion of (* z t) in z
0.115 * [taylor]: Taking taylor expansion of z in z
0.115 * [taylor]: Taking taylor expansion of t in z
0.115 * [taylor]: Taking taylor expansion of (/ a t) in t
0.115 * [taylor]: Taking taylor expansion of a in t
0.115 * [taylor]: Taking taylor expansion of t in t
0.115 * [taylor]: Taking taylor expansion of a in a
0.117 * [taylor]: Taking taylor expansion of 0 in z
0.117 * [taylor]: Taking taylor expansion of 0 in t
0.117 * [taylor]: Taking taylor expansion of 0 in t
0.117 * [taylor]: Taking taylor expansion of (* -1 a) in a
0.117 * [taylor]: Taking taylor expansion of -1 in a
0.117 * [taylor]: Taking taylor expansion of a in a
0.121 * [taylor]: Taking taylor expansion of 0 in y
0.121 * [taylor]: Taking taylor expansion of 0 in z
0.121 * [taylor]: Taking taylor expansion of 0 in z
0.123 * [taylor]: Taking taylor expansion of 0 in z
0.123 * [taylor]: Taking taylor expansion of 0 in t
0.123 * [taylor]: Taking taylor expansion of 0 in t
0.123 * [taylor]: Taking taylor expansion of 0 in t
0.124 * [taylor]: Taking taylor expansion of 0 in t
0.124 * [taylor]: Taking taylor expansion of 0 in a
0.125 * [taylor]: Taking taylor expansion of 0 in a
0.125 * [taylor]: Taking taylor expansion of 0 in a
0.125 * [taylor]: Taking taylor expansion of 0 in a
0.125 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.125 * [approximate]: Taking taylor expansion of (- (* x y) (* t z)) in (x y z t) around 0
0.125 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in t
0.125 * [taylor]: Taking taylor expansion of (* x y) in t
0.125 * [taylor]: Taking taylor expansion of x in t
0.125 * [taylor]: Taking taylor expansion of y in t
0.125 * [taylor]: Taking taylor expansion of (* t z) in t
0.125 * [taylor]: Taking taylor expansion of t in t
0.125 * [taylor]: Taking taylor expansion of z in t
0.125 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in z
0.125 * [taylor]: Taking taylor expansion of (* x y) in z
0.125 * [taylor]: Taking taylor expansion of x in z
0.125 * [taylor]: Taking taylor expansion of y in z
0.125 * [taylor]: Taking taylor expansion of (* t z) in z
0.125 * [taylor]: Taking taylor expansion of t in z
0.125 * [taylor]: Taking taylor expansion of z in z
0.125 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in y
0.125 * [taylor]: Taking taylor expansion of (* x y) in y
0.125 * [taylor]: Taking taylor expansion of x in y
0.125 * [taylor]: Taking taylor expansion of y in y
0.125 * [taylor]: Taking taylor expansion of (* t z) in y
0.125 * [taylor]: Taking taylor expansion of t in y
0.125 * [taylor]: Taking taylor expansion of z in y
0.125 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in x
0.125 * [taylor]: Taking taylor expansion of (* x y) in x
0.125 * [taylor]: Taking taylor expansion of x in x
0.126 * [taylor]: Taking taylor expansion of y in x
0.126 * [taylor]: Taking taylor expansion of (* t z) in x
0.126 * [taylor]: Taking taylor expansion of t in x
0.126 * [taylor]: Taking taylor expansion of z in x
0.126 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in x
0.126 * [taylor]: Taking taylor expansion of (* x y) in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.126 * [taylor]: Taking taylor expansion of y in x
0.126 * [taylor]: Taking taylor expansion of (* t z) in x
0.126 * [taylor]: Taking taylor expansion of t in x
0.126 * [taylor]: Taking taylor expansion of z in x
0.126 * [taylor]: Taking taylor expansion of (- (* t z)) in y
0.126 * [taylor]: Taking taylor expansion of (* t z) in y
0.126 * [taylor]: Taking taylor expansion of t in y
0.126 * [taylor]: Taking taylor expansion of z in y
0.126 * [taylor]: Taking taylor expansion of (- (* t z)) in z
0.126 * [taylor]: Taking taylor expansion of (* t z) in z
0.126 * [taylor]: Taking taylor expansion of t in z
0.126 * [taylor]: Taking taylor expansion of z in z
0.126 * [taylor]: Taking taylor expansion of 0 in t
0.127 * [taylor]: Taking taylor expansion of y in y
0.127 * [taylor]: Taking taylor expansion of 0 in z
0.127 * [taylor]: Taking taylor expansion of 0 in t
0.127 * [taylor]: Taking taylor expansion of 0 in z
0.127 * [taylor]: Taking taylor expansion of 0 in t
0.128 * [taylor]: Taking taylor expansion of (- t) in t
0.128 * [taylor]: Taking taylor expansion of t in t
0.133 * [taylor]: Taking taylor expansion of 0 in y
0.133 * [taylor]: Taking taylor expansion of 0 in z
0.133 * [taylor]: Taking taylor expansion of 0 in t
0.133 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in (x y z t) around 0
0.133 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in t
0.133 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
0.133 * [taylor]: Taking taylor expansion of (* x y) in t
0.133 * [taylor]: Taking taylor expansion of x in t
0.133 * [taylor]: Taking taylor expansion of y in t
0.133 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.133 * [taylor]: Taking taylor expansion of (* t z) in t
0.133 * [taylor]: Taking taylor expansion of t in t
0.133 * [taylor]: Taking taylor expansion of z in t
0.133 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in z
0.133 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.134 * [taylor]: Taking taylor expansion of (* x y) in z
0.134 * [taylor]: Taking taylor expansion of x in z
0.134 * [taylor]: Taking taylor expansion of y in z
0.134 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.134 * [taylor]: Taking taylor expansion of (* t z) in z
0.134 * [taylor]: Taking taylor expansion of t in z
0.134 * [taylor]: Taking taylor expansion of z in z
0.134 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in y
0.134 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.134 * [taylor]: Taking taylor expansion of (* x y) in y
0.134 * [taylor]: Taking taylor expansion of x in y
0.134 * [taylor]: Taking taylor expansion of y in y
0.134 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.134 * [taylor]: Taking taylor expansion of (* t z) in y
0.134 * [taylor]: Taking taylor expansion of t in y
0.134 * [taylor]: Taking taylor expansion of z in y
0.134 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.135 * [taylor]: Taking taylor expansion of (* x y) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [taylor]: Taking taylor expansion of y in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.135 * [taylor]: Taking taylor expansion of (* t z) in x
0.135 * [taylor]: Taking taylor expansion of t in x
0.135 * [taylor]: Taking taylor expansion of z in x
0.135 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.135 * [taylor]: Taking taylor expansion of (* x y) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [taylor]: Taking taylor expansion of y in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.135 * [taylor]: Taking taylor expansion of (* t z) in x
0.135 * [taylor]: Taking taylor expansion of t in x
0.135 * [taylor]: Taking taylor expansion of z in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.136 * [taylor]: Taking taylor expansion of y in y
0.136 * [taylor]: Taking taylor expansion of 1 in z
0.137 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.137 * [taylor]: Taking taylor expansion of (* t z) in y
0.137 * [taylor]: Taking taylor expansion of t in y
0.137 * [taylor]: Taking taylor expansion of z in y
0.137 * [taylor]: Taking taylor expansion of 0 in z
0.137 * [taylor]: Taking taylor expansion of 1 in t
0.139 * [taylor]: Taking taylor expansion of 0 in y
0.139 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
0.139 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.139 * [taylor]: Taking taylor expansion of (* t z) in z
0.139 * [taylor]: Taking taylor expansion of t in z
0.139 * [taylor]: Taking taylor expansion of z in z
0.139 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
0.139 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.139 * [taylor]: Taking taylor expansion of t in t
0.140 * [taylor]: Taking taylor expansion of 0 in z
0.140 * [taylor]: Taking taylor expansion of 0 in t
0.140 * [taylor]: Taking taylor expansion of 0 in t
0.142 * [taylor]: Taking taylor expansion of 0 in y
0.142 * [taylor]: Taking taylor expansion of 0 in z
0.143 * [taylor]: Taking taylor expansion of 0 in z
0.143 * [taylor]: Taking taylor expansion of 0 in z
0.144 * [taylor]: Taking taylor expansion of 0 in t
0.144 * [taylor]: Taking taylor expansion of 0 in t
0.144 * [taylor]: Taking taylor expansion of 0 in t
0.144 * [taylor]: Taking taylor expansion of 0 in t
0.147 * [taylor]: Taking taylor expansion of 0 in y
0.147 * [taylor]: Taking taylor expansion of 0 in z
0.147 * [taylor]: Taking taylor expansion of 0 in z
0.148 * [taylor]: Taking taylor expansion of 0 in z
0.149 * [taylor]: Taking taylor expansion of 0 in z
0.149 * [taylor]: Taking taylor expansion of 0 in t
0.149 * [taylor]: Taking taylor expansion of 0 in t
0.149 * [taylor]: Taking taylor expansion of 0 in t
0.150 * [taylor]: Taking taylor expansion of 0 in t
0.150 * [taylor]: Taking taylor expansion of 0 in t
0.150 * [taylor]: Taking taylor expansion of 0 in t
0.150 * [taylor]: Taking taylor expansion of 0 in t
0.150 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in (x y z t) around 0
0.151 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in t
0.151 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
0.151 * [taylor]: Taking taylor expansion of (* x y) in t
0.151 * [taylor]: Taking taylor expansion of x in t
0.151 * [taylor]: Taking taylor expansion of y in t
0.151 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.151 * [taylor]: Taking taylor expansion of (* t z) in t
0.151 * [taylor]: Taking taylor expansion of t in t
0.151 * [taylor]: Taking taylor expansion of z in t
0.151 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in z
0.151 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.151 * [taylor]: Taking taylor expansion of (* x y) in z
0.151 * [taylor]: Taking taylor expansion of x in z
0.151 * [taylor]: Taking taylor expansion of y in z
0.151 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.151 * [taylor]: Taking taylor expansion of (* t z) in z
0.151 * [taylor]: Taking taylor expansion of t in z
0.151 * [taylor]: Taking taylor expansion of z in z
0.152 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in y
0.152 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.152 * [taylor]: Taking taylor expansion of (* x y) in y
0.152 * [taylor]: Taking taylor expansion of x in y
0.152 * [taylor]: Taking taylor expansion of y in y
0.152 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.152 * [taylor]: Taking taylor expansion of (* t z) in y
0.152 * [taylor]: Taking taylor expansion of t in y
0.152 * [taylor]: Taking taylor expansion of z in y
0.152 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.152 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.152 * [taylor]: Taking taylor expansion of (* x y) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [taylor]: Taking taylor expansion of y in x
0.153 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.153 * [taylor]: Taking taylor expansion of (* t z) in x
0.153 * [taylor]: Taking taylor expansion of t in x
0.153 * [taylor]: Taking taylor expansion of z in x
0.153 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.153 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.153 * [taylor]: Taking taylor expansion of (* x y) in x
0.153 * [taylor]: Taking taylor expansion of x in x
0.153 * [taylor]: Taking taylor expansion of y in x
0.153 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.153 * [taylor]: Taking taylor expansion of (* t z) in x
0.153 * [taylor]: Taking taylor expansion of t in x
0.153 * [taylor]: Taking taylor expansion of z in x
0.153 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.153 * [taylor]: Taking taylor expansion of y in y
0.154 * [taylor]: Taking taylor expansion of 1 in z
0.154 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in y
0.154 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.154 * [taylor]: Taking taylor expansion of (* t z) in y
0.154 * [taylor]: Taking taylor expansion of t in y
0.154 * [taylor]: Taking taylor expansion of z in y
0.155 * [taylor]: Taking taylor expansion of 0 in z
0.155 * [taylor]: Taking taylor expansion of 1 in t
0.156 * [taylor]: Taking taylor expansion of 0 in y
0.156 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
0.156 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.156 * [taylor]: Taking taylor expansion of (* t z) in z
0.156 * [taylor]: Taking taylor expansion of t in z
0.156 * [taylor]: Taking taylor expansion of z in z
0.157 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
0.157 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.157 * [taylor]: Taking taylor expansion of t in t
0.158 * [taylor]: Taking taylor expansion of 0 in z
0.158 * [taylor]: Taking taylor expansion of 0 in t
0.158 * [taylor]: Taking taylor expansion of 0 in t
0.160 * [taylor]: Taking taylor expansion of 0 in y
0.160 * [taylor]: Taking taylor expansion of 0 in z
0.160 * [taylor]: Taking taylor expansion of 0 in z
0.161 * [taylor]: Taking taylor expansion of 0 in z
0.161 * [taylor]: Taking taylor expansion of 0 in t
0.162 * [taylor]: Taking taylor expansion of 0 in t
0.162 * [taylor]: Taking taylor expansion of 0 in t
0.162 * [taylor]: Taking taylor expansion of 0 in t
0.165 * [taylor]: Taking taylor expansion of 0 in y
0.165 * [taylor]: Taking taylor expansion of 0 in z
0.165 * [taylor]: Taking taylor expansion of 0 in z
0.166 * [taylor]: Taking taylor expansion of 0 in z
0.166 * [taylor]: Taking taylor expansion of 0 in z
0.166 * [taylor]: Taking taylor expansion of 0 in t
0.166 * [taylor]: Taking taylor expansion of 0 in t
0.166 * [taylor]: Taking taylor expansion of 0 in t
0.167 * [taylor]: Taking taylor expansion of 0 in t
0.167 * [taylor]: Taking taylor expansion of 0 in t
0.167 * [taylor]: Taking taylor expansion of 0 in t
0.167 * [taylor]: Taking taylor expansion of 0 in t
0.168 * * * [progress]: simplifying candidates
0.169 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log (- (* x y) (* z t))) (log a))
  (log (/ (- (* x y) (* z t)) a))
  (exp (/ (- (* x y) (* z t)) a))
  (/ (* (* (- (* x y) (* z t)) (- (* x y) (* z t))) (- (* x y) (* z t))) (* (* a a) a))
  (* (cbrt (/ (- (* x y) (* z t)) a)) (cbrt (/ (- (* x y) (* z t)) a)))
  (cbrt (/ (- (* x y) (* z t)) a))
  (* (* (/ (- (* x y) (* z t)) a) (/ (- (* x y) (* z t)) a)) (/ (- (* x y) (* z t)) a))
  (sqrt (/ (- (* x y) (* z t)) a))
  (sqrt (/ (- (* x y) (* z t)) a))
  (- (- (* x y) (* z t)))
  (- a)
  (/ (* x y) a)
  (/ (* z t) a)
  (/ (* (cbrt (- (* x y) (* z t))) (cbrt (- (* x y) (* z t)))) (* (cbrt a) (cbrt a)))
  (/ (cbrt (- (* x y) (* z t))) (cbrt a))
  (/ (* (cbrt (- (* x y) (* z t))) (cbrt (- (* x y) (* z t)))) (sqrt a))
  (/ (cbrt (- (* x y) (* z t))) (sqrt a))
  (/ (* (cbrt (- (* x y) (* z t))) (cbrt (- (* x y) (* z t)))) 1)
  (/ (cbrt (- (* x y) (* z t))) a)
  (/ (sqrt (- (* x y) (* z t))) (* (cbrt a) (cbrt a)))
  (/ (sqrt (- (* x y) (* z t))) (cbrt a))
  (/ (sqrt (- (* x y) (* z t))) (sqrt a))
  (/ (sqrt (- (* x y) (* z t))) (sqrt a))
  (/ (sqrt (- (* x y) (* z t))) 1)
  (/ (sqrt (- (* x y) (* z t))) a)
  (/ 1 (* (cbrt a) (cbrt a)))
  (/ (- (* x y) (* z t)) (cbrt a))
  (/ 1 (sqrt a))
  (/ (- (* x y) (* z t)) (sqrt a))
  (/ 1 1)
  (/ (- (* x y) (* z t)) a)
  (/ 1 a)
  (/ a (- (* x y) (* z t)))
  (/ (- (* x y) (* z t)) (* (cbrt a) (cbrt a)))
  (/ (- (* x y) (* z t)) (sqrt a))
  (/ (- (* x y) (* z t)) 1)
  (/ a (cbrt (- (* x y) (* z t))))
  (/ a (sqrt (- (* x y) (* z t))))
  (/ a (- (* x y) (* z t)))
  (* a (+ (* (* x y) (* x y)) (+ (* (* z t) (* z t)) (* (* x y) (* z t)))))
  (* a (+ (* x y) (* z t)))
  (/ (exp (* x y)) (exp (* z t)))
  (log (- (* x y) (* z t)))
  (exp (- (* x y) (* z t)))
  (* (cbrt (- (* x y) (* z t))) (cbrt (- (* x y) (* z t))))
  (cbrt (- (* x y) (* z t)))
  (* (* (- (* x y) (* z t)) (- (* x y) (* z t))) (- (* x y) (* z t)))
  (sqrt (- (* x y) (* z t)))
  (sqrt (- (* x y) (* z t)))
  (- (pow (* x y) 3) (pow (* z t) 3))
  (+ (* (* x y) (* x y)) (+ (* (* z t) (* z t)) (* (* x y) (* z t))))
  (- (* z t))
  (- (* (* x y) (* x y)) (* (* z t) (* z t)))
  (+ (* x y) (* z t))
  (- (* z t))
  (- (/ (* x y) a) (/ (* t z) a))
  0
  0
  0
  (- (* x y) (* t z))
  (- (* x y) (* t z))
0.171 * * [simplify]: iteration  0 :  80  enodes  (cost  652 )
0.184 * * [simplify]: iteration  1 :  207  enodes  (cost  632 )
0.225 * * [simplify]: iteration  2 :  683  enodes  (cost  582 )
0.391 * * [simplify]: iteration  3 :  2218  enodes  (cost  582 )
0.973 * * [simplify]: iteration  done :  5000  enodes  (cost  581 )
0.973 * [simplify]: Simplified to:
   (log (/ (- (* x y) (* z t)) a))
  (log (/ (- (* x y) (* z t)) a))
  (exp (/ (- (* x y) (* z t)) a))
  (pow (/ (- (* x y) (* z t)) a) 3)
  (* (cbrt (/ (- (* x y) (* z t)) a)) (cbrt (/ (- (* x y) (* z t)) a)))
  (cbrt (/ (- (* x y) (* z t)) a))
  (pow (/ (- (* x y) (* z t)) a) 3)
  (sqrt (/ (- (* x y) (* z t)) a))
  (sqrt (/ (- (* x y) (* z t)) a))
  (- (* t z) (* x y))
  (- a)
  (/ (* x y) a)
  (/ (* t z) a)
  (/ (* (cbrt (- (* x y) (* z t))) (cbrt (- (* x y) (* z t)))) (* (cbrt a) (cbrt a)))
  (/ (cbrt (- (* x y) (* z t))) (cbrt a))
  (/ (* (cbrt (- (* x y) (* z t))) (cbrt (- (* x y) (* z t)))) (sqrt a))
  (/ (cbrt (- (* x y) (* z t))) (sqrt a))
  (* (cbrt (- (* x y) (* z t))) (cbrt (- (* x y) (* z t))))
  (/ (cbrt (- (* x y) (* z t))) a)
  (/ (sqrt (- (* x y) (* z t))) (* (cbrt a) (cbrt a)))
  (/ (sqrt (- (* x y) (* z t))) (cbrt a))
  (/ (sqrt (- (* x y) (* z t))) (sqrt a))
  (/ (sqrt (- (* x y) (* z t))) (sqrt a))
  (sqrt (- (* x y) (* z t)))
  (/ (sqrt (- (* x y) (* z t))) a)
  (/ 1 (* (cbrt a) (cbrt a)))
  (/ (- (* x y) (* z t)) (cbrt a))
  (/ 1 (sqrt a))
  (/ (- (* x y) (* z t)) (sqrt a))
  1
  (/ (- (* x y) (* z t)) a)
  (/ 1 a)
  (/ a (- (* x y) (* z t)))
  (/ (- (* x y) (* z t)) (* (cbrt a) (cbrt a)))
  (/ (- (* x y) (* z t)) (sqrt a))
  (- (* x y) (* z t))
  (/ a (cbrt (- (* x y) (* z t))))
  (/ a (sqrt (- (* x y) (* z t))))
  (/ a (- (* x y) (* z t)))
  (* (+ (* (* z t) (+ (* x y) (* z t))) (* (* x y) (* x y))) a)
  (* a (+ (* x y) (* z t)))
  (exp (- (* x y) (* z t)))
  (log (- (* x y) (* z t)))
  (exp (- (* x y) (* z t)))
  (* (cbrt (- (* x y) (* z t))) (cbrt (- (* x y) (* z t))))
  (cbrt (- (* x y) (* z t)))
  (pow (- (* x y) (* z t)) 3)
  (sqrt (- (* x y) (* z t)))
  (sqrt (- (* x y) (* z t)))
  (- (pow (* x y) 3) (pow (* z t) 3))
  (+ (* (* z t) (+ (* x y) (* z t))) (* (* x y) (* x y)))
  (- (* z t))
  (- (* (* x y) (* x y)) (* (* z t) (* z t)))
  (+ (* x y) (* z t))
  (- (* z t))
  (/ (- (* x y) (* z t)) a)
  0
  0
  0
  (- (* x y) (* z t))
  (- (* x y) (* z t))
0.974 * * * [progress]: adding candidates to table
1.087 * * [progress]: iteration 2 / 4
1.087 * * * [progress]: picking best candidate
1.112 * * * * [pick]: Picked  #<alt (λ (x y z t a) (* (- (* x y) (* z t)) (/ 1 a)))>
1.112 * * * [progress]: localizing error
1.120 * * * [progress]: generating rewritten candidates
1.120 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
1.134 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
1.138 * * * [progress]: generating series expansions
1.138 * * * * [progress]: [ 1 / 2 ] generating series at (2)
1.138 * [approximate]: Taking taylor expansion of (/ (- (* x y) (* t z)) a) in (x y z t a) around 0
1.138 * [taylor]: Taking taylor expansion of (/ (- (* x y) (* t z)) a) in a
1.138 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in a
1.138 * [taylor]: Taking taylor expansion of (* x y) in a
1.138 * [taylor]: Taking taylor expansion of x in a
1.138 * [taylor]: Taking taylor expansion of y in a
1.138 * [taylor]: Taking taylor expansion of (* t z) in a
1.138 * [taylor]: Taking taylor expansion of t in a
1.138 * [taylor]: Taking taylor expansion of z in a
1.138 * [taylor]: Taking taylor expansion of a in a
1.139 * [taylor]: Taking taylor expansion of (/ (- (* x y) (* t z)) a) in t
1.139 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in t
1.139 * [taylor]: Taking taylor expansion of (* x y) in t
1.139 * [taylor]: Taking taylor expansion of x in t
1.139 * [taylor]: Taking taylor expansion of y in t
1.139 * [taylor]: Taking taylor expansion of (* t z) in t
1.139 * [taylor]: Taking taylor expansion of t in t
1.139 * [taylor]: Taking taylor expansion of z in t
1.139 * [taylor]: Taking taylor expansion of a in t
1.139 * [taylor]: Taking taylor expansion of (/ (- (* x y) (* t z)) a) in z
1.139 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in z
1.139 * [taylor]: Taking taylor expansion of (* x y) in z
1.140 * [taylor]: Taking taylor expansion of x in z
1.140 * [taylor]: Taking taylor expansion of y in z
1.140 * [taylor]: Taking taylor expansion of (* t z) in z
1.140 * [taylor]: Taking taylor expansion of t in z
1.140 * [taylor]: Taking taylor expansion of z in z
1.140 * [taylor]: Taking taylor expansion of a in z
1.140 * [taylor]: Taking taylor expansion of (/ (- (* x y) (* t z)) a) in y
1.140 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in y
1.140 * [taylor]: Taking taylor expansion of (* x y) in y
1.140 * [taylor]: Taking taylor expansion of x in y
1.140 * [taylor]: Taking taylor expansion of y in y
1.140 * [taylor]: Taking taylor expansion of (* t z) in y
1.140 * [taylor]: Taking taylor expansion of t in y
1.140 * [taylor]: Taking taylor expansion of z in y
1.140 * [taylor]: Taking taylor expansion of a in y
1.140 * [taylor]: Taking taylor expansion of (/ (- (* x y) (* t z)) a) in x
1.140 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in x
1.140 * [taylor]: Taking taylor expansion of (* x y) in x
1.140 * [taylor]: Taking taylor expansion of x in x
1.140 * [taylor]: Taking taylor expansion of y in x
1.140 * [taylor]: Taking taylor expansion of (* t z) in x
1.140 * [taylor]: Taking taylor expansion of t in x
1.140 * [taylor]: Taking taylor expansion of z in x
1.140 * [taylor]: Taking taylor expansion of a in x
1.141 * [taylor]: Taking taylor expansion of (/ (- (* x y) (* t z)) a) in x
1.141 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in x
1.141 * [taylor]: Taking taylor expansion of (* x y) in x
1.141 * [taylor]: Taking taylor expansion of x in x
1.141 * [taylor]: Taking taylor expansion of y in x
1.141 * [taylor]: Taking taylor expansion of (* t z) in x
1.141 * [taylor]: Taking taylor expansion of t in x
1.141 * [taylor]: Taking taylor expansion of z in x
1.141 * [taylor]: Taking taylor expansion of a in x
1.141 * [taylor]: Taking taylor expansion of (* -1 (/ (* t z) a)) in y
1.141 * [taylor]: Taking taylor expansion of -1 in y
1.141 * [taylor]: Taking taylor expansion of (/ (* t z) a) in y
1.141 * [taylor]: Taking taylor expansion of (* t z) in y
1.141 * [taylor]: Taking taylor expansion of t in y
1.141 * [taylor]: Taking taylor expansion of z in y
1.141 * [taylor]: Taking taylor expansion of a in y
1.141 * [taylor]: Taking taylor expansion of (* -1 (/ (* t z) a)) in z
1.141 * [taylor]: Taking taylor expansion of -1 in z
1.141 * [taylor]: Taking taylor expansion of (/ (* t z) a) in z
1.141 * [taylor]: Taking taylor expansion of (* t z) in z
1.141 * [taylor]: Taking taylor expansion of t in z
1.141 * [taylor]: Taking taylor expansion of z in z
1.141 * [taylor]: Taking taylor expansion of a in z
1.142 * [taylor]: Taking taylor expansion of (/ y a) in y
1.142 * [taylor]: Taking taylor expansion of y in y
1.142 * [taylor]: Taking taylor expansion of a in y
1.143 * [taylor]: Taking taylor expansion of 0 in z
1.143 * [taylor]: Taking taylor expansion of 0 in t
1.143 * [taylor]: Taking taylor expansion of 0 in a
1.143 * [taylor]: Taking taylor expansion of (* -1 (/ t a)) in t
1.143 * [taylor]: Taking taylor expansion of -1 in t
1.143 * [taylor]: Taking taylor expansion of (/ t a) in t
1.143 * [taylor]: Taking taylor expansion of t in t
1.143 * [taylor]: Taking taylor expansion of a in t
1.145 * [taylor]: Taking taylor expansion of 0 in y
1.145 * [taylor]: Taking taylor expansion of 0 in z
1.145 * [taylor]: Taking taylor expansion of 0 in t
1.145 * [taylor]: Taking taylor expansion of 0 in a
1.145 * [taylor]: Taking taylor expansion of (/ 1 a) in z
1.145 * [taylor]: Taking taylor expansion of a in z
1.145 * [taylor]: Taking taylor expansion of (/ 1 a) in t
1.145 * [taylor]: Taking taylor expansion of a in t
1.145 * [taylor]: Taking taylor expansion of (/ 1 a) in a
1.145 * [taylor]: Taking taylor expansion of a in a
1.146 * [taylor]: Taking taylor expansion of 0 in z
1.146 * [taylor]: Taking taylor expansion of 0 in t
1.146 * [taylor]: Taking taylor expansion of 0 in a
1.146 * [taylor]: Taking taylor expansion of 0 in t
1.146 * [taylor]: Taking taylor expansion of 0 in a
1.147 * [taylor]: Taking taylor expansion of 0 in t
1.147 * [taylor]: Taking taylor expansion of 0 in a
1.147 * [taylor]: Taking taylor expansion of 0 in a
1.147 * [taylor]: Taking taylor expansion of (/ -1 a) in a
1.147 * [taylor]: Taking taylor expansion of -1 in a
1.147 * [taylor]: Taking taylor expansion of a in a
1.150 * [taylor]: Taking taylor expansion of 0 in y
1.150 * [taylor]: Taking taylor expansion of 0 in z
1.150 * [taylor]: Taking taylor expansion of 0 in t
1.150 * [taylor]: Taking taylor expansion of 0 in a
1.150 * [taylor]: Taking taylor expansion of 0 in z
1.150 * [taylor]: Taking taylor expansion of 0 in t
1.150 * [taylor]: Taking taylor expansion of 0 in a
1.150 * [taylor]: Taking taylor expansion of 0 in z
1.150 * [taylor]: Taking taylor expansion of 0 in t
1.150 * [taylor]: Taking taylor expansion of 0 in a
1.151 * [taylor]: Taking taylor expansion of 0 in z
1.151 * [taylor]: Taking taylor expansion of 0 in t
1.151 * [taylor]: Taking taylor expansion of 0 in a
1.151 * [taylor]: Taking taylor expansion of 0 in t
1.151 * [taylor]: Taking taylor expansion of 0 in a
1.151 * [taylor]: Taking taylor expansion of 0 in t
1.151 * [taylor]: Taking taylor expansion of 0 in a
1.151 * [taylor]: Taking taylor expansion of 0 in t
1.152 * [taylor]: Taking taylor expansion of 0 in a
1.152 * [taylor]: Taking taylor expansion of 0 in t
1.152 * [taylor]: Taking taylor expansion of 0 in a
1.153 * [taylor]: Taking taylor expansion of 0 in t
1.153 * [taylor]: Taking taylor expansion of 0 in a
1.153 * [taylor]: Taking taylor expansion of 0 in a
1.153 * [taylor]: Taking taylor expansion of 0 in a
1.153 * [taylor]: Taking taylor expansion of 0 in a
1.153 * [taylor]: Taking taylor expansion of 0 in a
1.153 * [taylor]: Taking taylor expansion of 0 in a
1.153 * [taylor]: Taking taylor expansion of 0 in a
1.153 * [taylor]: Taking taylor expansion of 0 in a
1.155 * [approximate]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in (x y z t a) around 0
1.155 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in a
1.155 * [taylor]: Taking taylor expansion of a in a
1.155 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in a
1.155 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in a
1.155 * [taylor]: Taking taylor expansion of (* x y) in a
1.155 * [taylor]: Taking taylor expansion of x in a
1.155 * [taylor]: Taking taylor expansion of y in a
1.155 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in a
1.155 * [taylor]: Taking taylor expansion of (* t z) in a
1.155 * [taylor]: Taking taylor expansion of t in a
1.155 * [taylor]: Taking taylor expansion of z in a
1.155 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in t
1.155 * [taylor]: Taking taylor expansion of a in t
1.155 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in t
1.155 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
1.155 * [taylor]: Taking taylor expansion of (* x y) in t
1.155 * [taylor]: Taking taylor expansion of x in t
1.155 * [taylor]: Taking taylor expansion of y in t
1.155 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
1.155 * [taylor]: Taking taylor expansion of (* t z) in t
1.155 * [taylor]: Taking taylor expansion of t in t
1.155 * [taylor]: Taking taylor expansion of z in t
1.155 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in z
1.155 * [taylor]: Taking taylor expansion of a in z
1.155 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in z
1.155 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
1.155 * [taylor]: Taking taylor expansion of (* x y) in z
1.155 * [taylor]: Taking taylor expansion of x in z
1.155 * [taylor]: Taking taylor expansion of y in z
1.156 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
1.156 * [taylor]: Taking taylor expansion of (* t z) in z
1.156 * [taylor]: Taking taylor expansion of t in z
1.156 * [taylor]: Taking taylor expansion of z in z
1.156 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in y
1.156 * [taylor]: Taking taylor expansion of a in y
1.156 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in y
1.156 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
1.156 * [taylor]: Taking taylor expansion of (* x y) in y
1.156 * [taylor]: Taking taylor expansion of x in y
1.156 * [taylor]: Taking taylor expansion of y in y
1.156 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
1.156 * [taylor]: Taking taylor expansion of (* t z) in y
1.156 * [taylor]: Taking taylor expansion of t in y
1.156 * [taylor]: Taking taylor expansion of z in y
1.156 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in x
1.156 * [taylor]: Taking taylor expansion of a in x
1.157 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
1.157 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
1.157 * [taylor]: Taking taylor expansion of (* x y) in x
1.157 * [taylor]: Taking taylor expansion of x in x
1.157 * [taylor]: Taking taylor expansion of y in x
1.157 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
1.157 * [taylor]: Taking taylor expansion of (* t z) in x
1.157 * [taylor]: Taking taylor expansion of t in x
1.157 * [taylor]: Taking taylor expansion of z in x
1.157 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in x
1.157 * [taylor]: Taking taylor expansion of a in x
1.157 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
1.157 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
1.157 * [taylor]: Taking taylor expansion of (* x y) in x
1.157 * [taylor]: Taking taylor expansion of x in x
1.157 * [taylor]: Taking taylor expansion of y in x
1.157 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
1.157 * [taylor]: Taking taylor expansion of (* t z) in x
1.157 * [taylor]: Taking taylor expansion of t in x
1.157 * [taylor]: Taking taylor expansion of z in x
1.158 * [taylor]: Taking taylor expansion of (/ a y) in y
1.158 * [taylor]: Taking taylor expansion of a in y
1.158 * [taylor]: Taking taylor expansion of y in y
1.158 * [taylor]: Taking taylor expansion of a in z
1.159 * [taylor]: Taking taylor expansion of (- (/ a (* z t))) in y
1.159 * [taylor]: Taking taylor expansion of (/ a (* z t)) in y
1.159 * [taylor]: Taking taylor expansion of a in y
1.159 * [taylor]: Taking taylor expansion of (* z t) in y
1.159 * [taylor]: Taking taylor expansion of z in y
1.159 * [taylor]: Taking taylor expansion of t in y
1.159 * [taylor]: Taking taylor expansion of 0 in z
1.159 * [taylor]: Taking taylor expansion of a in t
1.161 * [taylor]: Taking taylor expansion of 0 in y
1.161 * [taylor]: Taking taylor expansion of (- (/ a (* z t))) in z
1.161 * [taylor]: Taking taylor expansion of (/ a (* z t)) in z
1.161 * [taylor]: Taking taylor expansion of a in z
1.161 * [taylor]: Taking taylor expansion of (* z t) in z
1.161 * [taylor]: Taking taylor expansion of z in z
1.161 * [taylor]: Taking taylor expansion of t in z
1.162 * [taylor]: Taking taylor expansion of (- (/ a t)) in t
1.162 * [taylor]: Taking taylor expansion of (/ a t) in t
1.162 * [taylor]: Taking taylor expansion of a in t
1.162 * [taylor]: Taking taylor expansion of t in t
1.162 * [taylor]: Taking taylor expansion of (- a) in a
1.162 * [taylor]: Taking taylor expansion of a in a
1.163 * [taylor]: Taking taylor expansion of 0 in z
1.163 * [taylor]: Taking taylor expansion of 0 in t
1.163 * [taylor]: Taking taylor expansion of 0 in t
1.163 * [taylor]: Taking taylor expansion of a in a
1.165 * [taylor]: Taking taylor expansion of 0 in y
1.165 * [taylor]: Taking taylor expansion of 0 in z
1.166 * [taylor]: Taking taylor expansion of 0 in z
1.167 * [taylor]: Taking taylor expansion of 0 in z
1.168 * [taylor]: Taking taylor expansion of 0 in t
1.168 * [taylor]: Taking taylor expansion of 0 in t
1.168 * [taylor]: Taking taylor expansion of 0 in t
1.168 * [taylor]: Taking taylor expansion of 0 in t
1.169 * [taylor]: Taking taylor expansion of 0 in a
1.169 * [taylor]: Taking taylor expansion of 0 in a
1.169 * [taylor]: Taking taylor expansion of 0 in a
1.169 * [taylor]: Taking taylor expansion of 0 in a
1.169 * [approximate]: Taking taylor expansion of (* -1 (* a (- (/ 1 (* x y)) (/ 1 (* t z))))) in (x y z t a) around 0
1.169 * [taylor]: Taking taylor expansion of (* -1 (* a (- (/ 1 (* x y)) (/ 1 (* t z))))) in a
1.169 * [taylor]: Taking taylor expansion of -1 in a
1.169 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in a
1.169 * [taylor]: Taking taylor expansion of a in a
1.169 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in a
1.169 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in a
1.169 * [taylor]: Taking taylor expansion of (* x y) in a
1.169 * [taylor]: Taking taylor expansion of x in a
1.169 * [taylor]: Taking taylor expansion of y in a
1.169 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in a
1.169 * [taylor]: Taking taylor expansion of (* t z) in a
1.169 * [taylor]: Taking taylor expansion of t in a
1.169 * [taylor]: Taking taylor expansion of z in a
1.169 * [taylor]: Taking taylor expansion of (* -1 (* a (- (/ 1 (* x y)) (/ 1 (* t z))))) in t
1.169 * [taylor]: Taking taylor expansion of -1 in t
1.169 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in t
1.169 * [taylor]: Taking taylor expansion of a in t
1.169 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in t
1.169 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
1.169 * [taylor]: Taking taylor expansion of (* x y) in t
1.169 * [taylor]: Taking taylor expansion of x in t
1.169 * [taylor]: Taking taylor expansion of y in t
1.169 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
1.170 * [taylor]: Taking taylor expansion of (* t z) in t
1.170 * [taylor]: Taking taylor expansion of t in t
1.170 * [taylor]: Taking taylor expansion of z in t
1.170 * [taylor]: Taking taylor expansion of (* -1 (* a (- (/ 1 (* x y)) (/ 1 (* t z))))) in z
1.170 * [taylor]: Taking taylor expansion of -1 in z
1.170 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in z
1.170 * [taylor]: Taking taylor expansion of a in z
1.170 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in z
1.170 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
1.170 * [taylor]: Taking taylor expansion of (* x y) in z
1.170 * [taylor]: Taking taylor expansion of x in z
1.170 * [taylor]: Taking taylor expansion of y in z
1.170 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
1.170 * [taylor]: Taking taylor expansion of (* t z) in z
1.170 * [taylor]: Taking taylor expansion of t in z
1.170 * [taylor]: Taking taylor expansion of z in z
1.170 * [taylor]: Taking taylor expansion of (* -1 (* a (- (/ 1 (* x y)) (/ 1 (* t z))))) in y
1.170 * [taylor]: Taking taylor expansion of -1 in y
1.171 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in y
1.171 * [taylor]: Taking taylor expansion of a in y
1.171 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in y
1.171 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
1.171 * [taylor]: Taking taylor expansion of (* x y) in y
1.171 * [taylor]: Taking taylor expansion of x in y
1.171 * [taylor]: Taking taylor expansion of y in y
1.171 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
1.171 * [taylor]: Taking taylor expansion of (* t z) in y
1.171 * [taylor]: Taking taylor expansion of t in y
1.171 * [taylor]: Taking taylor expansion of z in y
1.171 * [taylor]: Taking taylor expansion of (* -1 (* a (- (/ 1 (* x y)) (/ 1 (* t z))))) in x
1.171 * [taylor]: Taking taylor expansion of -1 in x
1.171 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in x
1.171 * [taylor]: Taking taylor expansion of a in x
1.171 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
1.171 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
1.171 * [taylor]: Taking taylor expansion of (* x y) in x
1.171 * [taylor]: Taking taylor expansion of x in x
1.171 * [taylor]: Taking taylor expansion of y in x
1.171 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
1.172 * [taylor]: Taking taylor expansion of (* t z) in x
1.172 * [taylor]: Taking taylor expansion of t in x
1.172 * [taylor]: Taking taylor expansion of z in x
1.172 * [taylor]: Taking taylor expansion of (* -1 (* a (- (/ 1 (* x y)) (/ 1 (* t z))))) in x
1.172 * [taylor]: Taking taylor expansion of -1 in x
1.172 * [taylor]: Taking taylor expansion of (* a (- (/ 1 (* x y)) (/ 1 (* t z)))) in x
1.172 * [taylor]: Taking taylor expansion of a in x
1.172 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
1.172 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
1.172 * [taylor]: Taking taylor expansion of (* x y) in x
1.172 * [taylor]: Taking taylor expansion of x in x
1.172 * [taylor]: Taking taylor expansion of y in x
1.172 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
1.172 * [taylor]: Taking taylor expansion of (* t z) in x
1.172 * [taylor]: Taking taylor expansion of t in x
1.172 * [taylor]: Taking taylor expansion of z in x
1.172 * [taylor]: Taking taylor expansion of (* -1 (/ a y)) in y
1.172 * [taylor]: Taking taylor expansion of -1 in y
1.172 * [taylor]: Taking taylor expansion of (/ a y) in y
1.172 * [taylor]: Taking taylor expansion of a in y
1.172 * [taylor]: Taking taylor expansion of y in y
1.172 * [taylor]: Taking taylor expansion of (* -1 a) in z
1.173 * [taylor]: Taking taylor expansion of -1 in z
1.173 * [taylor]: Taking taylor expansion of a in z
1.173 * [taylor]: Taking taylor expansion of (/ a (* z t)) in y
1.173 * [taylor]: Taking taylor expansion of a in y
1.173 * [taylor]: Taking taylor expansion of (* z t) in y
1.173 * [taylor]: Taking taylor expansion of z in y
1.174 * [taylor]: Taking taylor expansion of t in y
1.174 * [taylor]: Taking taylor expansion of 0 in z
1.174 * [taylor]: Taking taylor expansion of (* -1 a) in t
1.174 * [taylor]: Taking taylor expansion of -1 in t
1.174 * [taylor]: Taking taylor expansion of a in t
1.176 * [taylor]: Taking taylor expansion of 0 in y
1.176 * [taylor]: Taking taylor expansion of (/ a (* z t)) in z
1.176 * [taylor]: Taking taylor expansion of a in z
1.176 * [taylor]: Taking taylor expansion of (* z t) in z
1.176 * [taylor]: Taking taylor expansion of z in z
1.177 * [taylor]: Taking taylor expansion of t in z
1.177 * [taylor]: Taking taylor expansion of (/ a t) in t
1.177 * [taylor]: Taking taylor expansion of a in t
1.177 * [taylor]: Taking taylor expansion of t in t
1.177 * [taylor]: Taking taylor expansion of a in a
1.178 * [taylor]: Taking taylor expansion of 0 in z
1.178 * [taylor]: Taking taylor expansion of 0 in t
1.179 * [taylor]: Taking taylor expansion of 0 in t
1.179 * [taylor]: Taking taylor expansion of (* -1 a) in a
1.179 * [taylor]: Taking taylor expansion of -1 in a
1.179 * [taylor]: Taking taylor expansion of a in a
1.182 * [taylor]: Taking taylor expansion of 0 in y
1.182 * [taylor]: Taking taylor expansion of 0 in z
1.182 * [taylor]: Taking taylor expansion of 0 in z
1.184 * [taylor]: Taking taylor expansion of 0 in z
1.189 * [taylor]: Taking taylor expansion of 0 in t
1.189 * [taylor]: Taking taylor expansion of 0 in t
1.189 * [taylor]: Taking taylor expansion of 0 in t
1.190 * [taylor]: Taking taylor expansion of 0 in t
1.190 * [taylor]: Taking taylor expansion of 0 in a
1.190 * [taylor]: Taking taylor expansion of 0 in a
1.190 * [taylor]: Taking taylor expansion of 0 in a
1.191 * [taylor]: Taking taylor expansion of 0 in a
1.191 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
1.191 * [approximate]: Taking taylor expansion of (- (* x y) (* t z)) in (x y z t) around 0
1.191 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in t
1.191 * [taylor]: Taking taylor expansion of (* x y) in t
1.191 * [taylor]: Taking taylor expansion of x in t
1.191 * [taylor]: Taking taylor expansion of y in t
1.191 * [taylor]: Taking taylor expansion of (* t z) in t
1.191 * [taylor]: Taking taylor expansion of t in t
1.191 * [taylor]: Taking taylor expansion of z in t
1.191 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in z
1.191 * [taylor]: Taking taylor expansion of (* x y) in z
1.191 * [taylor]: Taking taylor expansion of x in z
1.191 * [taylor]: Taking taylor expansion of y in z
1.191 * [taylor]: Taking taylor expansion of (* t z) in z
1.191 * [taylor]: Taking taylor expansion of t in z
1.191 * [taylor]: Taking taylor expansion of z in z
1.191 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in y
1.191 * [taylor]: Taking taylor expansion of (* x y) in y
1.191 * [taylor]: Taking taylor expansion of x in y
1.191 * [taylor]: Taking taylor expansion of y in y
1.191 * [taylor]: Taking taylor expansion of (* t z) in y
1.191 * [taylor]: Taking taylor expansion of t in y
1.191 * [taylor]: Taking taylor expansion of z in y
1.191 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in x
1.191 * [taylor]: Taking taylor expansion of (* x y) in x
1.191 * [taylor]: Taking taylor expansion of x in x
1.191 * [taylor]: Taking taylor expansion of y in x
1.191 * [taylor]: Taking taylor expansion of (* t z) in x
1.191 * [taylor]: Taking taylor expansion of t in x
1.191 * [taylor]: Taking taylor expansion of z in x
1.191 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in x
1.191 * [taylor]: Taking taylor expansion of (* x y) in x
1.191 * [taylor]: Taking taylor expansion of x in x
1.191 * [taylor]: Taking taylor expansion of y in x
1.191 * [taylor]: Taking taylor expansion of (* t z) in x
1.191 * [taylor]: Taking taylor expansion of t in x
1.191 * [taylor]: Taking taylor expansion of z in x
1.192 * [taylor]: Taking taylor expansion of (- (* t z)) in y
1.192 * [taylor]: Taking taylor expansion of (* t z) in y
1.192 * [taylor]: Taking taylor expansion of t in y
1.192 * [taylor]: Taking taylor expansion of z in y
1.192 * [taylor]: Taking taylor expansion of (- (* t z)) in z
1.192 * [taylor]: Taking taylor expansion of (* t z) in z
1.192 * [taylor]: Taking taylor expansion of t in z
1.192 * [taylor]: Taking taylor expansion of z in z
1.192 * [taylor]: Taking taylor expansion of 0 in t
1.193 * [taylor]: Taking taylor expansion of y in y
1.193 * [taylor]: Taking taylor expansion of 0 in z
1.193 * [taylor]: Taking taylor expansion of 0 in t
1.193 * [taylor]: Taking taylor expansion of 0 in z
1.193 * [taylor]: Taking taylor expansion of 0 in t
1.193 * [taylor]: Taking taylor expansion of (- t) in t
1.193 * [taylor]: Taking taylor expansion of t in t
1.195 * [taylor]: Taking taylor expansion of 0 in y
1.195 * [taylor]: Taking taylor expansion of 0 in z
1.195 * [taylor]: Taking taylor expansion of 0 in t
1.195 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in (x y z t) around 0
1.195 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in t
1.195 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
1.195 * [taylor]: Taking taylor expansion of (* x y) in t
1.195 * [taylor]: Taking taylor expansion of x in t
1.195 * [taylor]: Taking taylor expansion of y in t
1.196 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
1.196 * [taylor]: Taking taylor expansion of (* t z) in t
1.196 * [taylor]: Taking taylor expansion of t in t
1.196 * [taylor]: Taking taylor expansion of z in t
1.196 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in z
1.196 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
1.196 * [taylor]: Taking taylor expansion of (* x y) in z
1.196 * [taylor]: Taking taylor expansion of x in z
1.196 * [taylor]: Taking taylor expansion of y in z
1.196 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
1.196 * [taylor]: Taking taylor expansion of (* t z) in z
1.196 * [taylor]: Taking taylor expansion of t in z
1.196 * [taylor]: Taking taylor expansion of z in z
1.196 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in y
1.196 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
1.196 * [taylor]: Taking taylor expansion of (* x y) in y
1.196 * [taylor]: Taking taylor expansion of x in y
1.196 * [taylor]: Taking taylor expansion of y in y
1.197 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
1.197 * [taylor]: Taking taylor expansion of (* t z) in y
1.197 * [taylor]: Taking taylor expansion of t in y
1.197 * [taylor]: Taking taylor expansion of z in y
1.197 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
1.197 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
1.197 * [taylor]: Taking taylor expansion of (* x y) in x
1.197 * [taylor]: Taking taylor expansion of x in x
1.197 * [taylor]: Taking taylor expansion of y in x
1.197 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
1.197 * [taylor]: Taking taylor expansion of (* t z) in x
1.197 * [taylor]: Taking taylor expansion of t in x
1.197 * [taylor]: Taking taylor expansion of z in x
1.197 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
1.197 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
1.197 * [taylor]: Taking taylor expansion of (* x y) in x
1.197 * [taylor]: Taking taylor expansion of x in x
1.197 * [taylor]: Taking taylor expansion of y in x
1.198 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
1.198 * [taylor]: Taking taylor expansion of (* t z) in x
1.198 * [taylor]: Taking taylor expansion of t in x
1.198 * [taylor]: Taking taylor expansion of z in x
1.198 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.198 * [taylor]: Taking taylor expansion of y in y
1.198 * [taylor]: Taking taylor expansion of 1 in z
1.199 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in y
1.199 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
1.199 * [taylor]: Taking taylor expansion of (* t z) in y
1.199 * [taylor]: Taking taylor expansion of t in y
1.199 * [taylor]: Taking taylor expansion of z in y
1.200 * [taylor]: Taking taylor expansion of 0 in z
1.200 * [taylor]: Taking taylor expansion of 1 in t
1.201 * [taylor]: Taking taylor expansion of 0 in y
1.201 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
1.201 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
1.201 * [taylor]: Taking taylor expansion of (* t z) in z
1.201 * [taylor]: Taking taylor expansion of t in z
1.201 * [taylor]: Taking taylor expansion of z in z
1.202 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
1.202 * [taylor]: Taking taylor expansion of (/ 1 t) in t
1.202 * [taylor]: Taking taylor expansion of t in t
1.203 * [taylor]: Taking taylor expansion of 0 in z
1.203 * [taylor]: Taking taylor expansion of 0 in t
1.203 * [taylor]: Taking taylor expansion of 0 in t
1.205 * [taylor]: Taking taylor expansion of 0 in y
1.205 * [taylor]: Taking taylor expansion of 0 in z
1.205 * [taylor]: Taking taylor expansion of 0 in z
1.205 * [taylor]: Taking taylor expansion of 0 in z
1.206 * [taylor]: Taking taylor expansion of 0 in t
1.206 * [taylor]: Taking taylor expansion of 0 in t
1.206 * [taylor]: Taking taylor expansion of 0 in t
1.206 * [taylor]: Taking taylor expansion of 0 in t
1.210 * [taylor]: Taking taylor expansion of 0 in y
1.210 * [taylor]: Taking taylor expansion of 0 in z
1.210 * [taylor]: Taking taylor expansion of 0 in z
1.210 * [taylor]: Taking taylor expansion of 0 in z
1.211 * [taylor]: Taking taylor expansion of 0 in z
1.211 * [taylor]: Taking taylor expansion of 0 in t
1.211 * [taylor]: Taking taylor expansion of 0 in t
1.211 * [taylor]: Taking taylor expansion of 0 in t
1.212 * [taylor]: Taking taylor expansion of 0 in t
1.212 * [taylor]: Taking taylor expansion of 0 in t
1.212 * [taylor]: Taking taylor expansion of 0 in t
1.212 * [taylor]: Taking taylor expansion of 0 in t
1.213 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in (x y z t) around 0
1.213 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in t
1.213 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
1.213 * [taylor]: Taking taylor expansion of (* x y) in t
1.213 * [taylor]: Taking taylor expansion of x in t
1.213 * [taylor]: Taking taylor expansion of y in t
1.213 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
1.213 * [taylor]: Taking taylor expansion of (* t z) in t
1.213 * [taylor]: Taking taylor expansion of t in t
1.213 * [taylor]: Taking taylor expansion of z in t
1.213 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in z
1.213 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
1.213 * [taylor]: Taking taylor expansion of (* x y) in z
1.213 * [taylor]: Taking taylor expansion of x in z
1.213 * [taylor]: Taking taylor expansion of y in z
1.213 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
1.213 * [taylor]: Taking taylor expansion of (* t z) in z
1.213 * [taylor]: Taking taylor expansion of t in z
1.213 * [taylor]: Taking taylor expansion of z in z
1.214 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in y
1.214 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
1.214 * [taylor]: Taking taylor expansion of (* x y) in y
1.214 * [taylor]: Taking taylor expansion of x in y
1.214 * [taylor]: Taking taylor expansion of y in y
1.214 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
1.214 * [taylor]: Taking taylor expansion of (* t z) in y
1.214 * [taylor]: Taking taylor expansion of t in y
1.214 * [taylor]: Taking taylor expansion of z in y
1.214 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
1.214 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
1.214 * [taylor]: Taking taylor expansion of (* x y) in x
1.214 * [taylor]: Taking taylor expansion of x in x
1.214 * [taylor]: Taking taylor expansion of y in x
1.215 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
1.215 * [taylor]: Taking taylor expansion of (* t z) in x
1.215 * [taylor]: Taking taylor expansion of t in x
1.215 * [taylor]: Taking taylor expansion of z in x
1.215 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
1.215 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
1.215 * [taylor]: Taking taylor expansion of (* x y) in x
1.215 * [taylor]: Taking taylor expansion of x in x
1.215 * [taylor]: Taking taylor expansion of y in x
1.215 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
1.215 * [taylor]: Taking taylor expansion of (* t z) in x
1.215 * [taylor]: Taking taylor expansion of t in x
1.215 * [taylor]: Taking taylor expansion of z in x
1.215 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.215 * [taylor]: Taking taylor expansion of y in y
1.216 * [taylor]: Taking taylor expansion of 1 in z
1.216 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in y
1.216 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
1.216 * [taylor]: Taking taylor expansion of (* t z) in y
1.216 * [taylor]: Taking taylor expansion of t in y
1.216 * [taylor]: Taking taylor expansion of z in y
1.217 * [taylor]: Taking taylor expansion of 0 in z
1.217 * [taylor]: Taking taylor expansion of 1 in t
1.218 * [taylor]: Taking taylor expansion of 0 in y
1.219 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
1.219 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
1.219 * [taylor]: Taking taylor expansion of (* t z) in z
1.219 * [taylor]: Taking taylor expansion of t in z
1.219 * [taylor]: Taking taylor expansion of z in z
1.219 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
1.219 * [taylor]: Taking taylor expansion of (/ 1 t) in t
1.219 * [taylor]: Taking taylor expansion of t in t
1.220 * [taylor]: Taking taylor expansion of 0 in z
1.220 * [taylor]: Taking taylor expansion of 0 in t
1.220 * [taylor]: Taking taylor expansion of 0 in t
1.222 * [taylor]: Taking taylor expansion of 0 in y
1.222 * [taylor]: Taking taylor expansion of 0 in z
1.222 * [taylor]: Taking taylor expansion of 0 in z
1.223 * [taylor]: Taking taylor expansion of 0 in z
1.224 * [taylor]: Taking taylor expansion of 0 in t
1.224 * [taylor]: Taking taylor expansion of 0 in t
1.224 * [taylor]: Taking taylor expansion of 0 in t
1.224 * [taylor]: Taking taylor expansion of 0 in t
1.227 * [taylor]: Taking taylor expansion of 0 in y
1.227 * [taylor]: Taking taylor expansion of 0 in z
1.227 * [taylor]: Taking taylor expansion of 0 in z
1.228 * [taylor]: Taking taylor expansion of 0 in z
1.228 * [taylor]: Taking taylor expansion of 0 in z
1.228 * [taylor]: Taking taylor expansion of 0 in t
1.228 * [taylor]: Taking taylor expansion of 0 in t
1.228 * [taylor]: Taking taylor expansion of 0 in t
1.229 * [taylor]: Taking taylor expansion of 0 in t
1.229 * [taylor]: Taking taylor expansion of 0 in t
1.229 * [taylor]: Taking taylor expansion of 0 in t
1.229 * [taylor]: Taking taylor expansion of 0 in t
1.230 * * * [progress]: simplifying candidates
1.231 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (- (* x y) (* z t)) (/ 1 a))
  (+ (log (- (* x y) (* z t))) (- (log a)))
  (+ (log (- (* x y) (* z t))) (- 0 (log a)))
  (+ (log (- (* x y) (* z t))) (- (log 1) (log a)))
  (+ (log (- (* x y) (* z t))) (log (/ 1 a)))
  (log (* (- (* x y) (* z t)) (/ 1 a)))
  (exp (* (- (* x y) (* z t)) (/ 1 a)))
  (* (* (* (- (* x y) (* z t)) (- (* x y) (* z t))) (- (* x y) (* z t))) (/ (* (* 1 1) 1) (* (* a a) a)))
  (* (* (* (- (* x y) (* z t)) (- (* x y) (* z t))) (- (* x y) (* z t))) (* (* (/ 1 a) (/ 1 a)) (/ 1 a)))
  (* (cbrt (* (- (* x y) (* z t)) (/ 1 a))) (cbrt (* (- (* x y) (* z t)) (/ 1 a))))
  (cbrt (* (- (* x y) (* z t)) (/ 1 a)))
  (* (* (* (- (* x y) (* z t)) (/ 1 a)) (* (- (* x y) (* z t)) (/ 1 a))) (* (- (* x y) (* z t)) (/ 1 a)))
  (sqrt (* (- (* x y) (* z t)) (/ 1 a)))
  (sqrt (* (- (* x y) (* z t)) (/ 1 a)))
  (* (- (pow (* x y) 3) (pow (* z t) 3)) 1)
  (* (+ (* (* x y) (* x y)) (+ (* (* z t) (* z t)) (* (* x y) (* z t)))) a)
  (* (- (* (* x y) (* x y)) (* (* z t) (* z t))) 1)
  (* (+ (* x y) (* z t)) a)
  (* (sqrt (- (* x y) (* z t))) (sqrt (/ 1 a)))
  (* (sqrt (- (* x y) (* z t))) (sqrt (/ 1 a)))
  (* (sqrt (- (* x y) (* z t))) (/ (sqrt 1) (sqrt a)))
  (* (sqrt (- (* x y) (* z t))) (/ (sqrt 1) (sqrt a)))
  (* (sqrt (- (* x y) (* z t))) (/ 1 (sqrt a)))
  (* (sqrt (- (* x y) (* z t))) (/ 1 (sqrt a)))
  (* (- (* x y) (* z t)) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (* (- (* x y) (* z t)) (sqrt (/ 1 a)))
  (* (- (* x y) (* z t)) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (* (- (* x y) (* z t)) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (* (- (* x y) (* z t)) (/ (* (cbrt 1) (cbrt 1)) 1))
  (* (- (* x y) (* z t)) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (* (- (* x y) (* z t)) (/ (sqrt 1) (sqrt a)))
  (* (- (* x y) (* z t)) (/ (sqrt 1) 1))
  (* (- (* x y) (* z t)) (/ 1 (* (cbrt a) (cbrt a))))
  (* (- (* x y) (* z t)) (/ 1 (sqrt a)))
  (* (- (* x y) (* z t)) (/ 1 1))
  (* (- (* x y) (* z t)) 1)
  (* (- (* x y) (* z t)) 1)
  (* (cbrt (- (* x y) (* z t))) (/ 1 a))
  (* (sqrt (- (* x y) (* z t))) (/ 1 a))
  (* (- (* x y) (* z t)) (/ 1 a))
  (* (- (* x y) (* z t)) 1)
  (* (- (pow (* x y) 3) (pow (* z t) 3)) (/ 1 a))
  (* (- (* (* x y) (* x y)) (* (* z t) (* z t))) (/ 1 a))
  (/ (exp (* x y)) (exp (* z t)))
  (log (- (* x y) (* z t)))
  (exp (- (* x y) (* z t)))
  (* (cbrt (- (* x y) (* z t))) (cbrt (- (* x y) (* z t))))
  (cbrt (- (* x y) (* z t)))
  (* (* (- (* x y) (* z t)) (- (* x y) (* z t))) (- (* x y) (* z t)))
  (sqrt (- (* x y) (* z t)))
  (sqrt (- (* x y) (* z t)))
  (- (pow (* x y) 3) (pow (* z t) 3))
  (+ (* (* x y) (* x y)) (+ (* (* z t) (* z t)) (* (* x y) (* z t))))
  (- (* z t))
  (- (* (* x y) (* x y)) (* (* z t) (* z t)))
  (+ (* x y) (* z t))
  (- (* z t))
  (- (/ (* x y) a) (/ (* t z) a))
  0
  0
  0
  (- (* x y) (* t z))
  (- (* x y) (* t z))
1.234 * * [simplify]: iteration  0 :  106  enodes  (cost  832 )
1.253 * * [simplify]: iteration  1 :  282  enodes  (cost  746 )
1.341 * * [simplify]: iteration  2 :  1024  enodes  (cost  638 )