Input TRS:
    1: f(f(a(),f(x,a())),a()) -> f(a(),f(f(x,a()),a()))
Number of strict rules: 1
Direct Order(PosReal,>,Poly) ... removes: 1
     a()	weight: 0
     f(x1,x2)	weight: (/ 1 8) + 2 * x1 + x2
Number of strict rules: 0
YES