MAYBE
(ignored inputs)COMMENT [27] Example 3.2 submitted by: Takahito Aoto , Junichi Yoshida , and Yoshihito Toyama
Rewrite Rules:
   [ f(?x) -> g(f(?x)),
     h(?x) -> p(h(?x)),
     f(?x) -> h(f(?x)),
     g(?x) -> p(p(h(?x))) ]
Apply Direct Methods...
Inner CPs:
   [  ]
Outer CPs:
   [ g(f(?x)) = h(f(?x)) ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

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