NO
(ignored inputs)COMMENT [111] p. 29 ( GWCR & ~WCR & ~GCR )
input TRS:
   [ a -> b,
     a -> f(a,a),
     f(?x,a) -> a ]
TRS:
   [ a -> b,
     a -> f(a,a),
     f(?x,a) -> a ]
constructed TRS:
   [ a -> b,
     a -> f(a,a),
     f(?x,a) -> a ]
convertible distinct normal forms: f(?x,f(b,b)) = b
UNC Completion (Strongly Closed)
problems/507.trs: Success(not UNC)
(4 msec.)