fact: Definition isofhlevel_equifier_help {n : nat} {X Y : UU} (HX : isofhlevel n X) (HY : isofhlevel (S(S n)) Y) {f g : X → Y} (p₁ p₂ : f ~ g) : isofhlevel n (equifier_type p₁ p₂).
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Examples.OneTypes UniMath.Bicategories.Limits.Final UniMath.Bicategories.Limits.Products UniMath.Bicategories.Limits.Pullbacks UniMath.Bicategories.Limits.Inserters UniMath.Bicategories.Limits.Equifiers