fact: Definition EqualizerEqAr {y z : C} {f g : y --> z} (E : Equalizer f g) : EqualizerArrow E · f = EqualizerArrow E · g := pr1 (pr2 E).
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Monics UniMath.CategoryTheory.Retracts