proposition: Lemma equiv_Kernel2_eq {a b : C} (f : C⟦a, b⟧) (K : Kernel f) : EqualizerArrow C K · f = Limits.Zero.ZeroArrow (equiv_Zero2 Z) (EqualizerObject C K) b.
proof: Proof. rewrite (EqualizerArrowEq C K). rewrite equiv_ZeroArrow. rewrite precomp_with_ZeroArrow. apply idpath. Qed.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Limits.Graphs.Limits UniMath.CategoryTheory.Limits.Graphs.Colimits UniMath.CategoryTheory.Limits.Graphs.Zero UniMath.CategoryTheory.Limits.Graphs.Equalizers UniMath.CategoryTheory.Limits.Kernels