MAYBE
(ignored inputs)COMMENT TPDB SRS_Standard/Secret_07_SRS/x02
input TRS:
   [ a(b(?x)) -> c(d(?x)),
     d(d(?x)) -> b(e(?x)),
     b(?x) -> d(c(?x)),
     d(?x) -> ?x,
     e(c(?x)) -> d(a(?x)),
     a(?x) -> e(d(?x)) ]
TRS:
   [ a(b(?x)) -> c(d(?x)),
     d(d(?x)) -> b(e(?x)),
     b(?x) -> d(c(?x)),
     d(?x) -> ?x,
     e(c(?x)) -> d(a(?x)),
     a(?x) -> e(d(?x)) ]
New rules by rule reversing:
   [ a(b(?x)) -> c(d(?x)),
     d(d(?x)) -> b(e(?x)),
     b(?x) -> b(?x),
     d(c(?x)) -> b(?x),
     d(?x) -> ?x,
     e(c(?x)) -> d(a(?x)),
     a(?x) -> a(?x),
     e(d(?x)) -> a(?x) ]
unknown Right-Reducible
problems/957.trs: Failure(unknown UNC)
(0 msec.)