fact: Definition hb_id2 {B : hcomp_bicat_data} {b₁ b₂ : B} (f : hb_mor b₁ b₂) : hb_cell f f := pr122 (pr222 B) _ _ f.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.PrecategoryBinProduct UniMath.Bicategories.WkCatEnrichment.prebicategory UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.BicategoryLaws