YES TRS: pred(s(x)) -> x minus(x,0()) -> x minus(x,s(y)) -> pred(minus(x,y)) quot(0(),s(y)) -> 0() quot(s(x),s(y)) -> s(quot(minus(x,y),s(y))) linear polynomial interpretations on N: pred_A(x1) = x1 pred#_A(x1) = 0 s_A(x1) = x1 + 1 s#_A(x1) = 1 minus_A(x1,x2) = x1 minus#_A(x1,x2) = x1 + 1 0_A = 1 0#_A = 0 quot_A(x1,x2) = x1 + 1 quot#_A(x1,x2) = x1 + x2 precedence: quot > pred = s = minus > 0