YES O(n) TRS: { f(0()) -> cons(0()), f(s(0())) -> f(p(s(0()))), p(s(X)) -> X} DUP: We consider a non-duplicating system. Trs: { f(0()) -> cons(0()), f(s(0())) -> f(p(s(0()))), p(s(X)) -> X} BOUND: Automaton: { s_1(8) -> 9, s_0(5) -> 5, p_1(9) -> 10, p_0(5) -> 5, f_1(10) -> 11, f_0(5) -> 5, 0_2() -> 12, 0_1() -> 6, 0_0() -> 5, cons_2(12) -> 13, cons_1(6) -> 7, cons_0(5) -> 5, 13 -> 11, 11 -> 5, 8 -> 10, 7 -> 5, 6 -> 8 } Strict: {} Qed