YES Input TRS: 1: f(g(f(a()),h(a(),f(a())))) -> f(h(g(f(a()),a()),g(f(a()),f(a())))) Number of strict rules: 1 Direct POLO(bPol) ... removes: 1 h w: 2 * x1 + 2 * x2 + 13 a w: 1 f w: 2 * x1 g w: 2 * x1 + 2 * x2 Number of strict rules: 0