YES (ignored inputs)COMMENT the following rules are removed from the original TRS c ( ) -> a ( ) c ( ) -> b ( ) Rewrite Rules: [ a -> b, b -> a, a -> d ] Apply Direct Methods... Inner CPs: [ ] Outer CPs: [ b = d ] Overlay, check Innermost Termination... unknown Innermost Terminating unknown Knuth & Bendix Linear unknown Development Closed unknown Strongly Closed unknown Weakly-Non-Overlapping & Non-Collapsing & Shallow unknown Upside-Parallel-Closed/Outside-Closed (inner) Parallel CPs: (not computed) unknown Toyama (Parallel CPs) Simultaneous CPs: [ d = b, b = d ] unknown Okui (Simultaneous CPs) unknown Strongly Depth-Preserving & Root-E-Closed/Non-E-Overlapping unknown Strongly Weight-Preserving & Root-E-Closed/Non-E-Overlapping check Locally Decreasing Diagrams by Rule Labelling... Critical Pair by Rules <2, 0> preceded by [] joinable by a reduction of rules <[], [([],1),([],2)]> Satisfiable by 1>2,3; ; 1>2,3 Diagram Decreasing Direct Methods: CR Combined result: CR /tmp/filegdeSrl.trs: Success(CR) (13 msec.)