MAYBE
(ignored inputs)COMMENT submitted by: Takahito Aoto , Junichi Yoshida , and Yoshihito Toyama
Rewrite Rules:
   [ H(I(?x)) -> K(J(?x)),
     J(?x) -> K(J(?x)),
     I(?x) -> I(J(?x)),
     J(?x) -> J(K(J(?x))) ]
Apply Direct Methods...
Inner CPs:
   [ H(I(J(?x_2))) = K(J(?x_2)) ]
Outer CPs:
   [ K(J(?x_1)) = J(K(J(?x_1))) ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

Combined result: Can't judge
100.trs: Failure(unknown CR)
(1 msec.)