NO Rewrite Rules: [ min(0,?y) -> 0, min(?x,0) -> 0, min(s(?x),s(?y)) -> min(?x,?y), min(?x,?x) -> ?x ] Apply Direct Methods... Inner CPs: [ ] Outer CPs: [ 0 = 0, 0 = 0, 0 = 0, min(?y_2,?y_2) = s(?y_2) ] Overlay, check Innermost Termination... Innermost Terminating (hence Terminating), not WCR Knuth & Bendix Direct Methods: not CR Final result: not CR new/min5.trs: Success(not CR) (3 msec.)