fact: Definition id_is_eso_essentially_surjective_eq {c₁ c₂ : B} {m : c₁ --> c₂} (g₁ : b --> c₁) (g₂ : b --> c₂) (α : invertible_2cell (g₁ · m) (id₁ b · g₂)) : (lunitor g₁ ▹ m) • α = rassociator (id₁ b) g₁ m • (id₁ b ◃ (α • lunitor g₂)).
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Invertible_2cells UniMath.Bicategories.Core.Univalence UniMath.Bicategories.Core.AdjointUnique UniMath.Bicategories.Core.Unitors UniMath.Bicategories.Core.BicategoryLaws UniMath.Bicategories.Core.EquivToAdjequiv UniMath.Bicategories.Morphisms.FullyFaithful UniMath.Bicategories.Morphisms.Adjunctions UniMath.Bicategories.Morphisms.DiscreteMorphisms UniMath.Bicategories.Morphisms.Eso UniMath.Bicategories.Limits.Pullbacks