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())))) max/plus interpretations on N: filter_A(x1,x2,x3) = max{0, x1, x2, x3} filter#_A(x1,x2,x3) = max{0, x1, x2, x3} cons_A(x1) = max{0, x1} cons#_A(x1) = max{0, x1} 0_A = 0 0#_A = 0 s_A(x1) = max{0, x1} s#_A(x1) = max{0, x1} sieve_A(x1) = max{0, x1} sieve#_A(x1) = max{0, x1} nats_A(x1) = max{0, x1} nats#_A(x1) = max{0, x1} zprimes_A = 0 zprimes#_A = 0 precedence: zprimes > 0 = nats > filter = sieve > cons > s