(ignored inputs)COMMENT doi:10.1017/CBO9781139172752 [4] Example 6.3.4 submitted by: Takahito Aoto , Junichi Yoshida , and Yoshihito Toyama
Rewrite Rules:
   [ +(s(?x),?y) -> s(+(?x,?y)),
     +(?x,s(?y)) -> s(+(?x,?y)),
     +(?x,?y) -> +(?y,?x) ]
Apply Direct Methods...
Inner CPs:
   [  ]
Outer CPs:
   [ s(+(?x,s(?y_1))) = s(+(s(?x),?y_1)),
     s(+(?x,?y)) = +(?y,s(?x)),
     s(+(?x_1,?y_1)) = +(s(?y_1),?x_1) ]
Overlay, check Innermost Termination...
unknown Innermost Terminating
unknown Knuth & Bendix
Linear
Development Closed
Direct Methods: CR

Combined result: CR
8.trs: Success(CR)
YES
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