fact: Definition sum_DE (DEadd: DE -> DE -> DE) (g: LGraph) {fg: FiniteGraph g} DEbase : DE := fold_left DEadd (DEList g) DEbase.
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