NO (ignored inputs)COMMENT doi:10.23638/LMCS-13 ( 2:4 ) 2017 [131] Example 5.11 submitted by: Julian Nagele input TRS: [ a -> b, f(a,b) -> f(a,a), f(b,a) -> f(a,a), f(a,a) -> c, g(?x) -> f(?x,?x) ] TRS: [ a -> b, f(a,b) -> f(a,a), f(b,a) -> f(a,a), f(a,a) -> c, g(?x) -> f(?x,?x) ] Check distinct normal forms in critical pair closure convertible distinct normal forms: f(b,b) = c problems/762.trs: Success(not UNC) (0 msec.)