proposition: Lemma WF_red_mod_lab : WF (red_mod E R) <-> WF (red_mod (union Decr (lab_rules E)) (lab_rules R)).
proof: Proof. rewrite WF_red_mod_lab. refl. apply pi_mon. apply I_mon. apply ge_compatE. apply ge_compatR. Qed.
imports: CoLoR(ATrs AInterpretation BoolUtil LogicUtil EqUtil VecUtil SN RelUtil AWFMInterpretation NaryFunction NatUtil ARelation ARules SetUtil FunUtil VecMax AMorphism) Coq(List)