fact: Definition left_adjoint_data {a b : B} (f : a --> b) : UU := ∑ (g : b --> a), identity a ==> f · g × g · f ==> identity b.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Invertible_2cells