Definition id2_right {a b : C} {f g : C⟦a, b⟧} (x : f ==> g) : x • id2 g = x := pr1 (pr2 (pr2 C)) _ _ _ _ x.
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.