YES
(ignored inputs)COMMENT generated by FORT "UNC & ~NFP & ~SN" submitted by: Franziska Rapp
input TRS:
   [ a -> a,
     f(f(?x,a),a) -> b ]
TRS:
   [ a -> a,
     f(f(?x,a),a) -> b ]
confluent TRS:
   [ a -> a,
     f(f(?x,a),a) -> b,
     f(b,a) -> b ]
UNC Completion (Strongly Closed)
problems/736.trs: Success(UNC)
(4 msec.)