Proposition isaset_two_cat_cells {C : two_cat} {a b : C} (f g : a --> b) : isaset (f ==> g). Proof. apply (pr2 C). Defined.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Setcategories. Require Import UniMath.CategoryTheory.Core.Univalence.