YES TRS: p(s(x)) -> x s(p(x)) -> x +(0(),y) -> y +(s(x),y) -> s(+(x,y)) +(p(x),y) -> p(+(x,y)) minus(0()) -> 0() minus(s(x)) -> p(minus(x)) minus(p(x)) -> s(minus(x)) *(0(),y) -> 0() *(s(x),y) -> +(*(x,y),y) *(p(x),y) -> +(*(x,y),minus(y)) max/plus interpretations on N: p_A(x1) = max{7, x1} p#_A(x1) = max{4, 2} s_A(x1) = max{3, x1} s#_A(x1) = max{1, 6} +_A(x1,x2) = max{9, 9, 1 + x2} +#_A(x1,x2) = max{0, 7, 7} 0_A = 3 0#_A = 4 minus_A(x1) = max{2, 7} minus#_A(x1) = max{5, x1} *_A(x1,x2) = max{2, 8, 9 + x2} *#_A(x1,x2) = max{7, 7, 7 + x2} precedence: 0 > * > + = minus > p > s