fact: Definition J_2_0 {a b : B} (f : adjoint_equivalence a b) : Y a b f := transportf (Y a b) (idtoiso_2_0_isotoid_2_0 HB f) (J'_2_0 (isotoid_2_0 HB f)).
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Groupoids UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Core.Isos UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Unitors UniMath.Bicategories.Core.Invertible_2cells UniMath.Bicategories.Morphisms.Adjunctions UniMath.Bicategories.Core.BicategoryLaws