(ignored inputs)COMMENT from p.811 of \cite{Hue80} Rewrite Rules: [ H(H(?x)) -> K(?x) ] Apply Direct Methods... Inner CPs: [ H(K(?x)) = K(H(?x)) ] Outer CPs: [ ] not Overlay, check Termination... Terminating, not WCR Knuth&Bendix Direct Methods: not CR Final result: not CR /local-scratch/hzankl/2012/cops2012/44.trs: Success(not CR) (0 msec.)