MAYBE
(ignored inputs)COMMENT generated by FORT "UN & ~NFP" submitted by: Franziska Rapp
Rewrite Rules:
   [ a -> a,
     f(b,a) -> f(a,b),
     f(?x,a) -> b ]
Apply Direct Methods...
Inner CPs:
   [ f(b,a) = f(a,b),
     f(?x,a) = b ]
Outer CPs:
   [ f(a,b) = b ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

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