proposition: Lemma red_mod_Rules (E R : list rule) : red_mod (of_list E) (of_list R) == ATrs.red_mod E R.
proof: Proof. unfold red_mod, ATrs.red_mod. rewrite !red_Rules. refl. Qed.
imports: CoLoR(ATrs ListUtil RelUtil ARelation LogicUtil SetUtil) Coq(Morphisms)