Theorems · Definition · category theory
CategoryTheory.Bicategory.LeftExtension.mk
{B : Type u} →
[inst : CategoryTheory.Bicategory B] →
{a b c : B} →
{f : a ⟶ b} →
{g : a ⟶ c} →
(h : b ⟶ c) → (g ⟶ CategoryTheory.CategoryStruct.comp f h) → CategoryTheory.Bicategory.LeftExtension f gConstruct a left extension from a 1-morphism and a 2-morphism.
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 25 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- CategoryTheory.Bicategory
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Quiver.Homstatement and proof · cited by 32,603
- CategoryTheory.CategoryStruct.compstatement and proof · cited by 17,999
- CategoryTheory.Bicategorystatement and proof · cited by 1,587
- CategoryTheory.StructuredArrow.mkproof · cited by 125
- CategoryTheory.Bicategory.LeftExtensionstatement · cited by 29
Cited by6
Results whose statement or proof uses this declaration.
- CategoryTheory.Bicategory.LeftExtension.whiskerproof · cited by 15
- CategoryTheory.Bicategory.LeftExtension.ofCompIdproof · cited by 6
- CategoryTheory.Bicategory.Adjunction.isAbsoluteLeftKanstatement · cited by 1
- CategoryTheory.Bicategory.LeftExtension.IsKan.adjunctionproof · cited by 1
- CategoryTheory.Bicategory.LeftExtension.isKanOfWhiskerLeftAdjointproof · cited by 0
- CategoryTheory.Bicategory.LeftExtension.alongIdproof · cited by 0