proposition: Lemma axiom_incl : forall (R1 R2 : term -> term -> Prop) , (forall t1 t2, R1 t1 t2 -> R2 t1 t2) -> forall t1 t2, axiom R1 t1 t2 -> axiom R2 t1 t2.
proof: Proof. intros R1 R2 Incl t1 t2 H; inversion H; auto. Qed.
imports: Coq(List Relations Wellfounded Arith Setoid) CoLoR(closure more_list weaved_relation dickson term_spec equational_theory_spec)