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Theorems · Definition · category theory

CategoryTheory.CechNerveTerminalFrom.wideCospan.limitIsoPi

{C : Type u} →
  [inst : CategoryTheory.Category.{v, u} C] →
    [inst_1 : CategoryTheory.Limits.HasTerminal C] →
      (ι : Type w) →
        [inst_2 : CategoryTheory.Limits.HasFiniteProducts C] →
          [inst_3 : Finite ι] →
            (X : C) → CategoryTheory.Limits.limit (CategoryTheory.CechNerveTerminalFrom.wideCospan ι X) ≅ ∏ᶜ fun x => X

the isomorphism to the product induced by the limit cone wideCospan ι X

Defined in
Mathlib.AlgebraicTopology.CechNerve
Cited by
4 results in Mathlib
Foundations
Depth 62 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.Limits.HasTerminalCategoryTheory.Limits.HasFiniteProductsFinite

Around this declaration

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

CategoryTheory.CechNerveTerminalFrom.wideCospan.limitIsoPi_inv_comp_pi · cited by 2wideCospan.limitIsoPi_inv…CategoryTheory.CechNerveTerminalFrom.wideCospan.limitIsoPi_hom_comp_pi · cited by 1wideCospan.limitIsoPi_hom…CategoryTheory.CechNerveTerminalFrom.wideCospan.limitIsoPi_hom_comp_pi_assoc · cited by 0wideCospan.limitIsoPi_hom…CategoryTheory.CechNerveTerminalFrom.wideCospan.limitIsoPi_inv_comp_pi_assoc · cited by 0wideCospan.limitIsoPi_inv…CategoryTheory.CechNerveTerminalFrom.iso · cited by 0CechNerveTerminalFrom.isoCategoryTheory.Category · cited by 32673CategoryTheory.CategoryCategoryTheory.Iso · cited by 3963CategoryTheory.IsoFinite · cited by 3029FiniteCategoryTheory.Discrete · cited by 2447CategoryTheory.DiscreteCategoryTheory.Discrete.functor · cited by 633Discrete.functorCategoryTheory.Limits.limit · cited by 346Limits.limitCategoryTheory.Limits.piObj · cited by 237Limits.piObjCategoryTheory.Limits.limit.isLimit · cited by 146limit.isLimitCategoryTheory.Limits.HasFiniteProducts · cited by 142Limits.HasFiniteProductsCategoryTheory.Limits.HasTerminal · cited by 142Limits.HasTerminalCategoryTheory.Limits.WidePullbackShape · cited by 94Limits.WidePullbackShapeCategoryTheory.Limits.LimitCone.isLimit · cited by 58LimitCone.isLimitCategoryTheory.Limits.IsLimit.conePointUniqueUpToIso · cited by 57IsLimit.conePointUniqueUp…CategoryTheory.CechNerveTerminalFrom.wideCospan · cited by 4CechNerveTerminalFrom.wid…CategoryTheory.CechNerveTerminalFrom.wideCospan.limitCone · cited by 1wideCospan.limitConewideCospan.limitIsoPiCITED BYCITES

Cites15

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Cited by5

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