fact: Definition binE (pg : PreGraph V E) {bi: BinGraph pg left_out_edge right_out_edge} (v: V) : V * V := (dst pg (left_out_edge v), dst pg (right_out_edge v)).
imports: CertiGraph.lib.Coqlib CertiGraph.lib.Ensembles_ext CertiGraph.lib.EquivDec_ext CertiGraph.lib.List_ext CertiGraph.lib.relation_list CertiGraph.lib.Equivalence_ext CertiGraph.graph.graph_model CertiGraph.graph.graph_gen CertiGraph.graph.MathGraph