proposition: Lemma lt_subterm1 : forall a a' n' b' c', a < a' -> a < cons a' b' n' c'.
proof: Proof. intros. apply transitivity with (cons a b' n' c');auto with T2 . 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