fact: Definition left_equivalence_unit_iso {a b : B} {f : a --> b} (αe : left_equivalence f) : invertible_2cell (identity a) (f · left_adjoint_right_adjoint αe).
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Invertible_2cells