MAYBE
(ignored inputs)COMMENT submitted by: Takahito Aoto , Junichi Yoshida , and Yoshihito Toyama
Rewrite Rules:
   [ F(H(?x),?y) -> F(H(?x),I(I(?y))),
     F(?x,G(?y)) -> F(I(?x),G(?y)),
     I(?x) -> ?x ]
Apply Direct Methods...
Inner CPs:
   [  ]
Outer CPs:
   [ F(H(?x),I(I(G(?y_1)))) = F(I(H(?x)),G(?y_1)) ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

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