fact: Definition vgamma (g: LGraph) (x: V) : DV * V := (vlabel g x, let target := dst (pg_lg g) (out_edge x) in if (projT2 isNullDec target) then x else target).
imports: Coq.Sets.Ensembles Coq.Lists.List CertiGraph.lib.EquivDec_ext CertiGraph.lib.Coqlib CertiGraph.lib.Ensembles_ext CertiGraph.graph.graph_model CertiGraph.graph.path_lemmas CertiGraph.graph.reachable_computable CertiGraph.graph.graph_gen CertiGraph.graph.FiniteGraph CertiGraph.graph.MathGraph CertiGraph.graph.LstGraph CertiGraph.graph.UnionFind