fact: Definition finite_vertexset {g : graph} (gfinite : is_finite_graph g) : isfinite (vertex g) := pr1 gfinite.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Limits.Graphs.Colimits UniMath.Combinatorics.StandardFiniteSets UniMath.Combinatorics.FiniteSets