fact: Definition labeled_spanning_uforest (t g: LGraph) := spanning_uforest t g /\ preserve_vlabel t g /\ preserve_elabel t g.
imports: Coq.Logic.Classical CertiGraph.lib.List_ext CertiGraph.lib.EquivDec_ext CertiGraph.graph.graph_model CertiGraph.graph.graph_relation CertiGraph.graph.path_lemmas CertiGraph.graph.graph_gen CertiGraph.graph.FiniteGraph