MAYBE
(ignored inputs)COMMENT experiments for [125] submitted by: Takahito Aoto
Rewrite Rules:
   [ inv(0) -> 0,
     inv(s(?x)) -> p(inv(?x)),
     inv(p(?x)) -> s(inv(?x)),
     minus(?x,0) -> ?x,
     minus(?x,p(?y)) -> s(minus(?x,?y)),
     minus(?x,s(?y)) -> p(minus(?x,?y)),
     minus(0,?x) -> inv(?x),
     inv(?x) -> minus(0,?x),
     inv(minus(?x,?y)) -> minus(?y,?x),
     s(p(?x)) -> ?x,
     p(s(?x)) -> ?x ]
Apply Direct Methods...
Inner CPs:
   [ inv(?x_8) = p(inv(p(?x_8))),
     inv(?x_9) = s(inv(s(?x_9))),
     minus(?x_3,?x_9) = s(minus(?x_3,s(?x_9))),
     minus(?x_4,?x_8) = p(minus(?x_4,p(?x_8))),
     inv(?x_2) = minus(0,?x_2),
     inv(s(minus(?x_3,?y_3))) = minus(p(?y_3),?x_3),
     inv(p(minus(?x_4,?y_4))) = minus(s(?y_4),?x_4),
     inv(inv(?x_5)) = minus(?x_5,0),
     s(?x_9) = s(?x_9),
     p(?x_8) = p(?x_8) ]
Outer CPs:
   [ 0 = minus(0,0),
     p(inv(?x)) = minus(0,s(?x)),
     s(inv(?x_1)) = minus(0,p(?x_1)),
     0 = inv(0),
     s(minus(0,?y_3)) = inv(p(?y_3)),
     p(minus(0,?y_4)) = inv(s(?y_4)),
     minus(0,minus(?x_7,?y_7)) = minus(?y_7,?x_7) ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

Combined result: Can't judge
632.trs: Failure(unknown CR)
(0 msec.)