MAYBE
(ignored inputs)COMMENT TPDB SRS_Standard/Bouchare_06/09
Rewrite Rules:
   [ b(a(a(?x))) -> a(?x),
     a(a(a(?x))) -> b(b(b(?x))),
     b(b(?x)) -> a(b(a(?x))) ]
Apply Direct Methods...
Inner CPs:
   [ b(b(b(b(?x_1)))) = a(a(?x_1)),
     b(a(b(b(b(?x_1))))) = a(a(a(?x_1))),
     b(a(?x)) = a(b(a(a(a(?x))))),
     a(b(b(b(?x)))) = b(b(b(a(?x)))),
     a(a(b(b(b(?x))))) = b(b(b(a(a(?x))))),
     b(a(b(a(?x)))) = a(b(a(b(?x)))) ]
Outer CPs:
   [  ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

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