YES TRS: f(0(),y) -> 0() f(s(x),y) -> f(f(x,y),y) max/plus interpretations on N: f_A(x1,x2) = max{1, 4, 1} f#_A(x1,x2) = max{0, -2 + x1, 3} 0_A = 4 0#_A = 1 s_A(x1) = max{6, 6 + x1} s#_A(x1) = max{0, 0} precedence: f > 0 = s