NO
(ignored inputs)COMMENT doi:10.1007/3-540-45744-5_49 [153] Example 13 submitted by: Raul Gutierrez and Salvador Lucas
Rewrite Rules:
   [ a -> b,
     f(g(a)) -> f(a) ]
Apply Direct Methods...
Inner CPs:
   [ f(g(b)) = f(a) ]
Outer CPs:
   [  ]
not Overlay, check Termination...
Terminating, not WCR
Knuth & Bendix
Direct Methods: not CR

Combined result: not CR
800.trs: Success(not CR)
(2 msec.)