YES
(ignored inputs)COMMENT doi:10.1007/3-540-61064-2_39 [10] Example 6 submitted by: Takahito Aoto , Junichi Yoshida , and Yoshihito Toyama
Rewrite Rules:
   [ f(a) -> f(g(b,b)),
     a -> g(c,c),
     c -> d,
     d -> b,
     b -> d ]
Apply Direct Methods...
Inner CPs:
   [ f(g(c,c)) = f(g(b,b)) ]
Outer CPs:
   [  ]
Linear
(inner) Parallel CPs:
   [ f(g(c,c)) = f(g(b,b)) {} ]
Toyama (Parallel CPs)
Direct Methods: CR

Combined result: CR
33.trs: Success(CR)
(0 msec.)