fact: Definition zig_zag_in_grpd_to_mor {G : groupoid} {x y : G} (gs : zig_zag x y) : x --> y := zig_zag_of_length_in_grpd_to_mor (pr2 gs).
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Groupoids