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Theorems · Definition · category theory

CategoryTheory.Sieve.shrinkFunctor

{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    [inst_1 : CategoryTheory.LocallySmall.{w, v₁, u₁} C] →
      {X : C} → CategoryTheory.Sieve X → CategoryTheory.Subfunctor (CategoryTheory.shrinkYoneda.{w, v₁, u₁}.obj X)

If C is w-locally small, any sieve induces a subfunctor of shrinkYoneda.{w}.obj X.

Defined in
Mathlib.CategoryTheory.Sites.Sieves
Cited by
14 results in Mathlib
Foundations
Depth 29 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.LocallySmall

Around this declaration

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

CategoryTheory.Presieve.shrinkFunctorHomEquiv · cited by 5Presieve.shrinkFunctorHom…CategoryTheory.Presieve.isSheafFor_iff_bijective_shrinkFunctor_ι_comp · cited by 4Presieve.isSheafFor_iff_b…CategoryTheory.Presieve.isSheafFor_iff_yonedaSheafCondition · cited by 3Presieve.isSheafFor_iff_y…CategoryTheory.Sieve.shrinkFunctorIsoFunctor · cited by 3Sieve.shrinkFunctorIsoFun…CategoryTheory.Sieve.shrinkFunctorUliftFunctorIso · cited by 2Sieve.shrinkFunctorUliftF…CategoryTheory.Presieve.shrinkFunctor_ι_comp_eq_iff_isAmalgamation · cited by 1Presieve.shrinkFunctor_ι_…CategoryTheory.Sieve.W_shrinkFunctor_ι_of_mem · cited by 1Sieve.W_shrinkFunctor_ι_o…CategoryTheory.Sieve.shrinkFunctorUliftFunctorIso_inv_ι · cited by 1Sieve.shrinkFunctorUliftF…CategoryTheory.Presieve.shrinkFunctorHomEquiv_apply_coe · cited by 0Presieve.shrinkFunctorHom…CategoryTheory.Presieve.shrinkFunctorHomEquiv_symm_apply_app · cited by 0Presieve.shrinkFunctorHom…CategoryTheory.Presieve.IsSheaf.comp_of_W_map_of_adjunction · cited by 0IsSheaf.comp_of_W_map_of_…CategoryTheory.Presieve.natTransEquivCompatibleFamily · cited by 0Presieve.natTransEquivCom…CategoryTheory.Presieve.extension_iff_amalgamation · cited by 0Presieve.extension_iff_am…CategoryTheory.Functor.mem_inducedTopology_iff · cited by 0Functor.mem_inducedTopolo…CategoryTheory.Sieve.shrinkFunctorIsoFunctor_hom_app · cited by 0Sieve.shrinkFunctorIsoFun…DFunLike.coe · cited by 62936DFunLike.coeCategoryTheory.Category · cited by 32673CategoryTheory.CategoryQuiver.Hom · cited by 32603Quiver.HomCategoryTheory.Functor.obj · cited by 19642Functor.objCategoryTheory.Functor · cited by 16252CategoryTheory.FunctorOpposite · cited by 8081OppositeSet.ofPred · cited by 6101Set.ofPredOpposite.unop · cited by 2231Opposite.unopCategoryTheory.Sieve · cited by 552CategoryTheory.SieveCategoryTheory.Sieve.arrows · cited by 446Sieve.arrowsCategoryTheory.LocallySmall · cited by 242CategoryTheory.LocallySma…CategoryTheory.Subfunctor · cited by 112CategoryTheory.SubfunctorCategoryTheory.shrinkYoneda · cited by 64CategoryTheory.shrinkYone…CategoryTheory.shrinkYonedaObjObjEquiv · cited by 35CategoryTheory.shrinkYone…Sieve.shrinkFunctorCITED BYCITES

Cites14

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Cited by18

Results whose statement or proof uses this declaration.