YES
(ignored inputs)COMMENT Cops #647 - #721: generated ground TRSs; evenly distributed in the UNR/UNC/NFP/CR hierarchy submitted by: Bertram Felgenhauer
input TRS:
   [ c -> c,
     a -> f(h(h(f(a),f(f(c))),b)),
     c -> a,
     h(c,f(b)) -> c ]
TRS:
   [ c -> c,
     a -> f(h(h(f(a),f(f(c))),b)),
     c -> a,
     h(c,f(b)) -> c ]
New rules by rule reversing:
   [ a -> a,
     f(h(h(f(a),f(f(c))),b)) -> a,
     c -> a,
     h(c,f(b)) -> c ]
confluent TRS:
   [ a -> a,
     f(h(h(f(a),f(f(c))),b)) -> a,
     c -> a,
     h(c,f(b)) -> c,
     f(h(h(f(a),f(f(a))),b)) -> a,
     h(a,f(b)) -> c ]
UNC Completion (Strongly Closed)
problems/685.trs: Success(UNC)
(4 msec.)