MAYBE
(ignored inputs)COMMENT generated by FORT "UN & ~UNC" submitted by: Franziska Rapp
input TRS:
   [ a -> a,
     g(g(a)) -> b,
     g(g(?x)) -> g(g(g(b))) ]
TRS:
   [ a -> a,
     g(g(a)) -> b,
     g(g(?x)) -> g(g(g(b))) ]
Check distinct normal forms in critical pair closure...failed
problems/739.trs: Failure(unknown UNC)
(4 msec.)