YES TRS: filter(cons(X),0(),M) -> cons(0()) filter(cons(X),s(N),M) -> cons(X) sieve(cons(0())) -> cons(0()) sieve(cons(s(N))) -> cons(s(N)) nats(N) -> cons(N) zprimes() -> sieve(nats(s(s(0())))) linear polynomial interpretations on N: filter_A(x1,x2,x3) = x1 + x2 + x3 + 1 filter#_A(x1,x2,x3) = x1 + x2 + x3 + 1 cons_A(x1) = x1 + 1 cons#_A(x1) = x1 + 1 0_A = 0 0#_A = 0 s_A(x1) = x1 s#_A(x1) = x1 sieve_A(x1) = x1 sieve#_A(x1) = x1 nats_A(x1) = x1 + 2 nats#_A(x1) = x1 + 2 zprimes_A = 3 zprimes#_A = 3 precedence: filter > cons = zprimes > sieve = nats > 0 = s