MAYBE
(ignored inputs)COMMENT doi:10.1007/11538363_37 [41] Example 1
Rewrite Rules:
   [ f(a) -> b,
     a -> a',
     f(b) -> c ]
Apply Direct Methods...
Inner CPs:
   [ f(a') = b ]
Outer CPs:
   [  ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

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