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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.

Defined in
Mathlib.CategoryTheory.Limits.Shapes.Products
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.

AlgebraicTopology.DoldKan.Γ₀.splitting · cited by 31Γ₀.splittingCategoryTheory.SimplicialObject.Splitting.map · cited by 5Splitting.mapCategoryTheory.Limits.Cofan.isColimitOfIsIsoSigmaDesc · cited by 3Cofan.isColimitOfIsIsoSig…CategoryTheory.IsUniversalColimit.nonempty_isColimit_of_pullbackCone_left · cited by 3IsUniversalColimit.nonemp…CategoryTheory.IsUniversalColimit.nonempty_isColimit_of_pullbackCone_right · cited by 2IsUniversalColimit.nonemp…CategoryTheory.SimplicialObject.Splitting.ofIso · cited by 2Splitting.ofIsoSSet.isColimitCofanNormalizedChainComplex · cited by 1SSet.isColimitCofanNormal…CategoryTheory.IsUniversalColimit.nonempty_isColimit_prod_of_pullbackCone · cited by 1IsUniversalColimit.nonemp…AlgebraicGeometry.nonempty_isColimit_binaryCofanMk_of_isCompl · cited by 1AlgebraicGeometry.nonempt…CategoryTheory.Limits.Cofan.ext_hom_hom · cited by 0Cofan.ext_hom_homCategoryTheory.Limits.Cofan.ext_inv_hom · cited by 0Cofan.ext_inv_homHomotopicalAlgebra.AttachCells.reindexCellTypes · cited by 0AttachCells.reindexCellTy…CategoryTheory.Category · cited by 32673CategoryTheory.CategoryQuiver.Hom · cited by 32603Quiver.HomCategoryTheory.CategoryStruct.comp · cited by 17999CategoryStruct.compCategoryTheory.Iso.hom · cited by 7684Iso.homCategoryTheory.Iso · cited by 3963CategoryTheory.IsoCategoryTheory.Discrete · cited by 2447CategoryTheory.DiscreteCategoryTheory.Limits.Cocone.pt · cited by 1354Cocone.ptCategoryTheory.Discrete.functor · cited by 633Discrete.functorCategoryTheory.Limits.Cofan.inj · cited by 170Cofan.injCategoryTheory.Limits.Cofan · cited by 124Limits.CofanCategoryTheory.Limits.Cocone.ext · cited by 41Cocone.extCofan.extCITED BYCITES

Cites11

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Cited by12

Results whose statement or proof uses this declaration.