fact: Definition add_test (G : pre_graph) (x:VT) (a:test) := {| vset := vset G; eset := eset G; endpt := endpt G; lv := update (lv G) x (a ⊗ lv G x)%CM; le := le G; p_in := p_in G; p_out := p_out G |}.
imports: HB(structures) Coq(Relation_Definitions Morphisms RelationClasses) mathcomp(all_ssreflect) GraphTheory(edone finite_quotient preliminaries bij equiv) GraphTheory(setoid_bigop structures pttdom rewriting) GraphTheory(finmap_plus)