Definition EqualizerIn {y z : C} {f g : y --> z} (E : Equalizer f g) (w : C) (h : w --> y) (H : h · f = h · g) : C⟦w, E⟧ := pr1 (pr1 (isEqualizer_Equalizer E w h H)).
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.Core.Univalence. Require Import UniMath.CategoryTheory.Monics. Require Import UniMath.CategoryTheory.Retracts.