NO
(ignored inputs)COMMENT generated by FORT -f "a:0 b:0 f:2" -r 4 "UN & ~UNC & ~SN" submitted by: Franziska Rapp
input TRS:
   [ a -> a,
     a -> b,
     f(b,b) -> f(a,b),
     f(?x,a) -> f(a,b) ]
TRS:
   [ a -> a,
     a -> b,
     f(b,b) -> f(a,b),
     f(?x,a) -> f(a,b) ]
New rules by rule reversing:
   [ a -> b,
     f(b,b) -> f(a,b),
     f(?x,a) -> f(a,b) ]
Check distinct normal forms in critical pair closure
convertible distinct normal forms: f(?x,b) = f(?x_1,b)
problems/731.trs: Success(not UNC)
(0 msec.)