NO
(ignored inputs)COMMENT [111] Example 1
input TRS:
   [ a -> b,
     f(?x,a) -> f(b,b),
     f(b,?x) -> f(b,b),
     f(f(?x,?y),?z) -> f(b,b) ]
TRS:
   [ a -> b,
     f(?x,a) -> f(b,b),
     f(b,?x) -> f(b,b),
     f(f(?x,?y),?z) -> f(b,b) ]
Check distinct normal forms in critical pair closure
convertible distinct normal forms: f(?x,b) = f(?x_1,b)
problems/512.trs: Success(not UNC)
(0 msec.)