NO
(ignored inputs)COMMENT TPDB SRS_Standard/Zantema_04/z108
input TRS:
   [ a(a(?x)) -> b(c(?x)),
     b(b(?x)) -> c(d(?x)),
     c(c(?x)) -> d(d(d(?x))),
     d(d(d(?x))) -> a(c(?x)) ]
TRS:
   [ a(a(?x)) -> b(c(?x)),
     b(b(?x)) -> c(d(?x)),
     c(c(?x)) -> d(d(d(?x))),
     d(d(d(?x))) -> a(c(?x)) ]
Check distinct normal forms in critical pair closure
convertible distinct normal forms: c(a(c(?x))) = b(a(c(?x)))
problems/943.trs: Success(not UNC)
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