MAYBE
(ignored inputs)COMMENT TPDB SRS_Standard/Zantema_04/z101
Rewrite Rules:
   [ a(a(?x)) -> b(b(b(?x))),
     b(b(b(b(?x)))) -> a(a(a(?x))) ]
Apply Direct Methods...
Inner CPs:
   [ a(b(b(b(?x)))) = b(b(b(a(?x)))),
     b(a(a(a(?x)))) = a(a(a(b(?x)))),
     b(b(a(a(a(?x))))) = a(a(a(b(b(?x))))),
     b(b(b(a(a(a(?x)))))) = a(a(a(b(b(b(?x)))))) ]
Outer CPs:
   [  ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

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