proposition: Theorem le_trans : forall alpha beta gamma, alpha <= beta -> beta <= gamma -> alpha <= gamma.
proof: Proof. destruct 1. subst beta;auto. intros;right;eapply lt_le_trans;eauto. 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