fact: Definition post_cons_right_zig_zag_of_length {C : category} {n : ℕ} {x y z : C} (gs : zig_zag_of_length n x y) (f : z --> y) : zig_zag_of_length (S n) x z.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Groupoids