Input TRS:
    1: +(-(x,y),z) -> -(+(x,z),y)
    2: -(+(x,y),y) -> x
Number of strict rules: 2
Direct Order(PosReal,>,Poly) ... removes: 1 2
     -(x1,x2)	weight: (/ 1 4) + x1 + 2 * x2
     +(x1,x2)	weight: (/ 1 4) + 2 * x1 + x2
Number of strict rules: 0
YES