YES (ignored inputs)COMMENT TPDB SRS_Standard/ICFP_2010/264370 Rewrite Rules: [ 0(1(2(3(4(?x))))) -> 0(2(1(3(4(?x))))), 0(5(1(2(4(3(?x)))))) -> 0(5(2(1(4(3(?x)))))), 0(5(2(4(1(3(?x)))))) -> 0(1(5(2(4(3(?x)))))), 0(5(3(1(2(4(?x)))))) -> 0(1(5(3(2(4(?x)))))), 0(5(4(1(3(2(?x)))))) -> 0(5(4(3(1(2(?x)))))) ] Apply Direct Methods... Inner CPs: [ ] Outer CPs: [ ] Overlay, check Innermost Termination... Innermost Terminating (hence Terminating), WCR Knuth & Bendix Direct Methods: CR Combined result: CR 951.trs: Success(CR) (0 msec.)