Input TRS: 1: t(f(x),g(y),f(z())) -> t(z(),g(x),g(y)) 2: t(g(x),g(y),f(z())) -> t(f(y),f(z()),x) e1: f(g(x)) ->= g(f(x)) [relative] e2: g(f(x)) ->= f(g(x)) [relative] e3: f(f(x)) ->= g(g(x)) [relative] e4: g(g(x)) ->= f(f(x)) [relative] Number of Rules: 2 Direct Mat2b ... removes: 1 2 I(z) = [1;1] I(t) = [2,1;1,0] * x1 + [2,1;1,0] * x2 + [2,1;0,1] * x3 I(f) = [2,1;1,1] * x1 + [1;1] I(g) = [2,1;1,1] * x1 + [1;1] Number of Rules: 0