YES TRS: +(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: +_A(x1,x2) = max{3, x1, 1 + x2} +#_A(x1,x2) = max{10, 11, 2 + x2} 0_A = 4 0#_A = 0 s_A(x1) = max{4, -1 + x1} s#_A(x1) = max{0, 11} p_A(x1) = max{4, 2} p#_A(x1) = max{11, 1} minus_A(x1) = max{1, 4} minus#_A(x1) = max{11, 1} *_A(x1,x2) = max{5, -1, 1 + x2} *#_A(x1,x2) = max{8, 7, 11 + x2} precedence: * > + = minus > 0 = s = p