proposition: Lemma rpo_5_2 : forall ta1 ta2 tb1 , rpo (Term ord_psi (ta1:: tb1 ::nil)) (Term ord_psi (ta2:: (Term ord_psi (ta1::tb1::nil)) ::nil)).
proof: Proof. intros. eapply Subterm. eright;eleft. reflexivity. left. Qed.
imports: EPSILON0 Arith List Omega Compare_dec Relations Wellfounded Max Tools More_nat AccP not_decreasing EPSILON0 More_nat Gamma0_prelude Gamma0_length term rpo