proposition: Lemma T2_size4 : forall a b n c , (T2_size c < T2_size (gcons a b n c))%nat.
proof: Proof. simpl; auto with arith T2. Qed.
imports: Coq(Arith List Lia Compare_dec Relations Wellfounded RelationClasses) hydras(Epsilon0) hydras(More_Arith Restriction) hydras(ON_Generic) hydras(rpo.term rpo.rpo) hydras(T2) hydras(Compat815)