Theorems · Definition · category theory
CategoryTheory.Limits.Cofan.ext
{β : Type w} →
{C : Type u} →
[inst : CategoryTheory.Category.{v, u} C] →
{f : β → C} →
{c₁ c₂ : CategoryTheory.Limits.Cofan f} →
(e : c₁.pt ≅ c₂.pt) →
autoParam (∀ (b : β), CategoryTheory.CategoryStruct.comp (c₁.inj b) e.hom = c₂.inj b)
CategoryTheory.Limits.Cofan.ext._auto_1 →
(c₁ ≅ c₂)A version of Cocone.ext for Cofans.
- Cited by
- 6 results in Mathlib
- Foundations
- Depth 31 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- CategoryTheory.Category
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites11
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- CategoryTheory.Categorystatement and proof · cited by 32,673
- Quiver.Homstatement · cited by 32,603
- CategoryTheory.CategoryStruct.compstatement and proof · cited by 17,999
- CategoryTheory.Iso.homstatement and proof · cited by 7,684
- CategoryTheory.Isostatement and proof · cited by 3,963
- CategoryTheory.Discretestatement · cited by 2,447
- CategoryTheory.Limits.Cocone.ptstatement and proof · cited by 1,354
- CategoryTheory.Discrete.functorstatement · cited by 633
- CategoryTheory.Limits.Cofan.injstatement and proof · cited by 170
- CategoryTheory.Limits.Cofanstatement and proof · cited by 124
- CategoryTheory.Limits.Cocone.extproof · cited by 41
Cited by12
Results whose statement or proof uses this declaration.
- AlgebraicTopology.DoldKan.Γ₀.splittingproof · cited by 31
- CategoryTheory.SimplicialObject.Splitting.mapproof · cited by 5
- CategoryTheory.Limits.Cofan.isColimitOfIsIsoSigmaDescproof · cited by 3
- CategoryTheory.SimplicialObject.Splitting.ofIsoproof · cited by 2
- SSet.isColimitCofanNormalizedChainComplexproof · cited by 1
- AlgebraicGeometry.nonempty_isColimit_binaryCofanMk_of_isComplproof · cited by 1
- CategoryTheory.Limits.Cofan.ext_hom_homstatement and proof · cited by 0
- CategoryTheory.Limits.Cofan.ext_inv_homstatement and proof · cited by 0
- HomotopicalAlgebra.AttachCells.reindexCellTypesproof · cited by 0