MAYBE
(ignored inputs)COMMENT submitted by: Akihisa Yamada
Rewrite Rules:
   [ f(g(?x)) -> g(f(f(?x))),
     g(?x) -> ?x ]
Apply Direct Methods...
Inner CPs:
   [ f(?x_1) = g(f(f(?x_1))) ]
Outer CPs:
   [  ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

Combined result: Can't judge
1279.trs: Failure(unknown CR)
(0 msec.)