(ignored inputs)COMMENT doi:10.1007/s10817-011-9238-x [33] Example 3 Rewrite Rules: [ nats -> :(0,inc(nats)), inc(:(?x,?y)) -> :(s(?x),inc(?y)), inc(tl(nats)) -> tl(inc(nats)), hd(:(?x,?y)) -> ?x, tl(:(?x,?y)) -> ?y, d(:(?x,?y)) -> :(?x,:(?x,d(?y))) ] Apply Direct Methods... Inner CPs: [ inc(tl(:(0,inc(nats)))) = tl(inc(nats)) ] Outer CPs: [ ] not Overlay, check Termination... unknown/not Terminating unknown Knuth & Bendix Left-Linear, not Right-Linear unknown Development Closed unknown Weakly-Non-Overlapping & Non-Collapsing & Shallow inner CP cond (upside-parallel) innter CP Cond (outside) unknown Upside-Parallel-Closed/Outside-Closed (inner) Parallel CPs: (not computed) unknown Toyama (Parallel CPs) Simultaneous CPs: [ tl(inc(nats)) = inc(tl(:(0,inc(nats)))), inc(tl(:(0,inc(nats)))) = tl(inc(nats)) ] 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 <0, 2> preceded by [(inc,1),(tl,1)] joinable by a reduction of rules <[([(inc,1)],4)], [([(tl,1),(inc,1)],0),([(tl,1)],1),([],4)]> Satisfiable by 3>5,1>4,6,2; :(0,0)d(1)s(0)hd(0)tl(0)inc(0); 3>5,1>4,6,2 Diagram Decreasing Direct Methods: CR Combined result: CR 112.trs: Success(CR) YES (4 msec.)