fact: Definition oiso2E := (oiso2_transE, open_add_edgeE, oiso2_add_edgeE', oiso2_idE, open_add_vertexE).
imports: Coq(Relation_Definitions Morphisms RelationClasses) mathcomp(all_ssreflect) GraphTheory(edone finite_quotient preliminaries bij equiv) GraphTheory(setoid_bigop structures pttdom mgraph mgraph2) GraphTheory(rewriting open_confluence finmap_plus)