MAYBE (ignored inputs)COMMENT doi:10.4230/LIPIcs.RTA.2012.165 [37] Example 3.1 ( R ) input TRS: [ a -> b, a -> f(a), b -> f(f(b)) ] TRS: [ a -> b, a -> f(a), b -> f(f(b)) ] Check distinct normal forms in critical pair closure...failed problems/212.trs: Failure(unknown UNC) (0 msec.)