proposition: Lemma guarded_lge_guarded_si: forall PV PE (G1 G2: LGraph), guarded_labeled_graph_equiv PV PE G1 G2 -> guarded_structurally_identical PV PE G1 G2.
proof: Proof. intros. hnf in H |- *. destruct H as [? _]. auto. Qed.
imports: Coq.Logic.ProofIrrelevance Coq.Sets.Ensembles Coq.Sets.Finite_sets Coq.Classes.Morphisms CertiGraph.lib.Coqlib CertiGraph.lib.Ensembles_ext CertiGraph.lib.relation_list CertiGraph.lib.List_ext CertiGraph.lib.Equivalence_ext CertiGraph.lib.EquivDec_ext VST.msl.Coqlib2 Coq.Lists.List CertiGraph.graph.graph_model CertiGraph.graph.path_lemmas CertiGraph.graph.reachable_ind CertiGraph.graph.graph_gen