MAYBE
(ignored inputs)COMMENT full experiments for [35] submitted by: Takahito Aoto and Yoshihito Toyama
Rewrite Rules:
   [ +(0,?x) -> ?x,
     +(1,-(1)) -> 0,
     -(0) -> 0,
     -(-(?x)) -> ?x,
     -(+(?x,?y)) -> +(-(?x),-(?y)),
     +(+(?x,?y),?z) -> +(?x,+(?y,?z)),
     +(?x,?y) -> +(?y,?x) ]
Apply Direct Methods...
Inner CPs:
   [ -(0) = 0,
     -(+(-(?x_2),-(?y_2))) = +(?x_2,?y_2),
     -(?x) = +(-(0),-(?x)),
     -(0) = +(-(1),-(-(1))),
     -(+(?x_3,+(?y_3,?z_3))) = +(-(+(?x_3,?y_3)),-(?z_3)),
     -(+(?y_4,?x_4)) = +(-(?x_4),-(?y_4)),
     +(?x,?z_3) = +(0,+(?x,?z_3)),
     +(0,?z_3) = +(1,+(-(1),?z_3)),
     +(+(?y_4,?x_4),?z_3) = +(?x_4,+(?y_4,?z_3)),
     -(?x) = -(?x),
     +(+(?x,+(?y,?z)),?z_1) = +(+(?x,?y),+(?z,?z_1)) ]
Outer CPs:
   [ ?x = +(?x,0),
     0 = +(-(1),1),
     +(?x_3,+(?y_3,?z_3)) = +(?z_3,+(?x_3,?y_3)) ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

Combined result: Can't judge
185.trs: Failure(unknown CR)
(0 msec.)