YES
(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:
   [  ]
Linear
(inner) Parallel CPs:
   [ -(0) = 0 {} ]
Toyama (Parallel CPs)
Direct Methods: CR

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