MAYBE (ignored inputs)COMMENT from experiments for [44] submitted by: Tsubasa Suzuki , Takahito Aoto , and Yoshihito Toyama input TRS: [ a -> h(c), a -> h(f(c)), g(?x) -> g(?x), h(f(?x)) -> h(f(g(?x))) ] TRS: [ a -> h(c), a -> h(f(c)), g(?x) -> g(?x), h(f(?x)) -> h(f(g(?x))) ] Check distinct normal forms in critical pair closure...failed problems/242.trs: Failure(unknown UNC) (4 msec.)