Theorems · Inductive type · category theory

CategoryTheory.Pseudofunctor.StrongTrans.Modification

{B : Type u₁} →
  [inst : CategoryTheory.Bicategory B] →
    {C : Type u₂} →
      [inst_1 : CategoryTheory.Bicategory C] →
        {F G : CategoryTheory.Pseudofunctor B C} → (F ⟶ G) → (F ⟶ G) → Type (max u₁ w₂)

A modification Γ between strong transformations (of pseudofunctors) η and θ consists of a family of 2-morphisms Γ.app a : η.app a ⟶ θ.app a, which satisfies the equation (F.map f ◁ app b) ≫ (θ.naturality f).hom = (η.naturality f).hom ≫ (app a ▷ G.map f) for each 1-morphism f : a ⟶ b.

Defined in

Mathlib.CategoryTheory.Bicategory.Modification.Pseudo

Cited by

21 results in Mathlib

Foundations

Depth 36 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.BicategoryCategoryTheory.Bicategory