MAYBE
(ignored inputs)COMMENT [111] p. 29 ( GNFP & ~NFP & ~GCR )
input TRS:
   [ a -> b,
     f(b,b) -> f(a,a),
     f(?x,a) -> f(a,a) ]
TRS:
   [ a -> b,
     f(b,b) -> f(a,a),
     f(?x,a) -> f(a,a) ]
unknown Right-Reducible
problems/509.trs: Failure(unknown UNC)
(0 msec.)