fact: Definition make_discrete_diagram' {J : category} {g : graph} (d : diagram g J) : diagram (discrete_graph (vertex g)) J.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Limits.Graphs.Colimits UniMath.Combinatorics.StandardFiniteSets UniMath.Combinatorics.FiniteSets