fact: Definition make_connected_category {C : category} (c : C) (zs : ∏ (x y : C), zig_zag x y) : connected_category C := c ,, zs.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Categories.StandardCategories UniMath.CategoryTheory.Categories.HSET.All UniMath.CategoryTheory.Limits.Terminal UniMath.CategoryTheory.Limits.Initial UniMath.CategoryTheory.Groupoids UniMath.CategoryTheory.ZigZag