MAYBE
(ignored inputs)COMMENT experiments for [36] submitted by: Takahito Aoto
Rewrite Rules:
   [ +(0,?y) -> ?y,
     +(s(0),?y) -> s(+(0,?y)),
     +(?x,?y) -> +(?y,?x),
     s(s(?x)) -> ?x ]
Apply Direct Methods...
Inner CPs:
   [ s(?x) = s(?x) ]
Outer CPs:
   [ ?y = +(?y,0),
     s(+(0,?y_1)) = +(?y_1,s(0)) ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

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