proposition: Lemma eremove_evalid1: ~ evalid EdgeListGG_eremove e.
proof: Proof. simpl. unfold removeValidFunc, not; intros. destruct H. contradiction. Qed.
imports: VST.floyd.proofauto CertiGraph.lib.Coqlib CertiGraph.lib.EquivDec_ext CertiGraph.lib.List_ext CertiGraph.graph.graph_model CertiGraph.graph.graph_gen CertiGraph.graph.FiniteGraph CertiGraph.graph.undirected_graph