fact: Record guarded_bij: Prop := { vmap_inj: is_guarded_inj PV vmap; emap_inj: is_guarded_inj PE emap; bij_is_morphism :> guarded_morphism }.
imports: CertiGraph.lib.Coqlib CertiGraph.lib.Ensembles_ext CertiGraph.lib.EquivDec_ext CertiGraph.lib.relation_list CertiGraph.lib.Morphisms_ext CertiGraph.lib.List_ext CertiGraph.graph.graph_model CertiGraph.graph.path_lemmas CertiGraph.graph.reachable_ind CertiGraph.graph.subgraph2 CertiGraph.graph.graph_gen CertiGraph.graph.graph_relation