Proposition internal_relation_to_arr_relation_tar {C : category} {x : C} {R : internal_relation x} {w : C} {f g : w --> x} (r : internal_relation_to_arr_relation R f g) : r · internal_relation_tar R = g. Proof. exact (pr22 r). Defined.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Prelude. Require Import UniMath.CategoryTheory.Limits.Pullbacks. Require Import UniMath.CategoryTheory.Limits.Coequalizers. Require Import UniMath.CategoryTheory.RegularAndExact.RegularCategory.