YES (ignored inputs)COMMENT experiments for [36] submitted by: Takahito Aoto Rewrite Rules: [ +(?x,0) -> ?x, +(?x,s(?y)) -> s(+(?x,?y)), -(0,?x) -> 0, -(?x,0) -> ?x, -(s(?x),s(?y)) -> -(?x,?y) ] Apply Direct Methods... Inner CPs: [ ] Outer CPs: [ 0 = 0 ] Linear (inner) Parallel CPs: [ ] Toyama (Parallel CPs) Direct Methods: CR Combined result: CR 579.trs: Success(CR) (0 msec.)