(ignored inputs)COMMENT doi:10.1007/s00200-004-0148-6 [40] Example 3
Rewrite Rules:
   [ -(+(x,-(x))) -> 0,
     +(x,-(x)) -> 0,
     0 -> -(0) ]
Apply Direct Methods...
Inner CPs:
   [ -(0) = 0 ]
Outer CPs:
   [  ]
not Overlay, check Termination...
unknown/not Terminating
unknown Knuth & Bendix
Linear
unknown Development Closed
Strongly Closed
Direct Methods: CR

Combined result: CR
224.trs: Success(CR)
YES
(0 msec.)