fact: Definition Kernel {y z : C} (g : y --> z) : UU := ∑ D : (∑ x : ob C, x --> y), ∑ (e : (pr2 D) · g = ZeroArrow Z (pr1 D) z), isKernel (pr2 D) g e.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Monics UniMath.CategoryTheory.Limits.Equalizers UniMath.CategoryTheory.Limits.Zero