Mathlib Map

Theorems · Definition · category theory

CategoryTheory.Bicategory.rightAdjointSquare.vcomp

{B : Type u} →
  [inst : CategoryTheory.Bicategory B] →
    {a b c d e f : B} →
      {g₁ : a ⟶ c} →
        {g₂ : c ⟶ e} →
          {h₁ : b ⟶ d} →
            {h₂ : d ⟶ f} →
              {r₁ : b ⟶ a} →
                {r₂ : d ⟶ c} →
                  {r₃ : f ⟶ e} →
                    (CategoryTheory.CategoryStruct.comp r₁ g₁ ⟶ CategoryTheory.CategoryStruct.comp h₁ r₂) →
                      (CategoryTheory.CategoryStruct.comp r₂ g₂ ⟶ CategoryTheory.CategoryStruct.comp h₂ r₃) →
                        (CategoryTheory.CategoryStruct.comp r₁ (CategoryTheory.CategoryStruct.comp g₁ g₂) ⟶
                          CategoryTheory.CategoryStruct.comp (CategoryTheory.CategoryStruct.comp h₁ h₂) r₃)

Squares between right adjoints can be composed "vertically" by pasting.

Defined in
Mathlib.CategoryTheory.Bicategory.Adjunction.Mate
Cited by
4 results in Mathlib
Foundations
Depth 4 from the axioms · uses no axioms
Assumes
CategoryTheory.Bicategory

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Cites8

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by5

Results whose statement or proof uses this declaration.