YES
(ignored inputs)COMMENT from experiments for [44] submitted by: Tsubasa Suzuki , Takahito Aoto , and Yoshihito Toyama
input TRS:
   [ c -> f(c,d),
     c -> h(c,d),
     f(?x,?y) -> f(g(?y),?x),
     h(?x,?y) -> h(g(?y),?x) ]
TRS:
   [ c -> f(c,d),
     c -> h(c,d),
     f(?x,?y) -> f(g(?y),?x),
     h(?x,?y) -> h(g(?y),?x) ]
New rules by rule reversing:
   [ c -> c,
     f(c,d) -> c,
     c -> c,
     h(c,d) -> c,
     f(?x,?y) -> f(?x,?y),
     f(g(?y),?x) -> f(?x,?y),
     h(?x,?y) -> h(?x,?y),
     h(g(?y),?x) -> h(?x,?y) ]
confluent TRS:
   [ c -> c,
     f(c,d) -> c,
     c -> c,
     h(c,d) -> c,
     f(?x,?y) -> f(?x,?y),
     f(g(?y),?x) -> f(?x,?y),
     h(?x,?y) -> h(?x,?y),
     h(g(?y),?x) -> h(?x,?y) ]
UNC Completion (Strongly Closed)
problems/256.trs: Success(UNC)
(0 msec.)