proposition: Proposition is_minimal_is_prop (C : homotopical_category) : isaprop (is_minimal C).
proof: Proof. unfold is_minimal. apply impred ; intro. apply impred ; intro. apply impred ; intro. apply isaprop_is_iso. Defined.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Monics UniMath.CategoryTheory.Epis UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.Isos