MAYBE
(ignored inputs)COMMENT submitted by: Hans Zantema
Rewrite Rules:
   [ a(b(a(?x))) -> b(a(b(?x))),
     b(a(b(?x))) -> a(b(a(?x))),
     p -> a(p),
     p -> b(p) ]
Apply Direct Methods...
Inner CPs:
   [ a(a(b(a(?x_1)))) = b(a(b(b(?x_1)))),
     b(b(a(b(?x)))) = a(b(a(a(?x)))),
     a(b(b(a(b(?x))))) = b(a(b(b(a(?x))))),
     b(a(a(b(a(?x))))) = a(b(a(a(b(?x))))) ]
Outer CPs:
   [ a(p) = b(p) ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

Combined result: Can't judge
1285.trs: Failure(unknown CR)
(0 msec.)