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 ]
Overlay, check Innermost Termination...
Innermost Terminating (hence Terminating), WCR
Knuth & Bendix
Direct Methods: CR

Combined result: CR
579.trs: Success(CR)
(7 msec.)