Mathlib Map

Theorems · Inductive type · category theory

CategoryTheory.Functor.IsDense

{C : Type u₁} →
  {D : Type u₂} →
    [inst : CategoryTheory.Category.{v₁, u₁} C] →
      [inst_1 : CategoryTheory.Category.{v₂, u₂} D] → CategoryTheory.Functor C D → Prop

A functor F : C ⥤ D is dense if any Y : D is a canonical colimit relatively to F.

Defined in
Mathlib.CategoryTheory.Functor.KanExtension.Dense
Cited by
19 results in Mathlib
Foundations
Depth 2 from the axioms · uses no axioms
Assumes
CategoryTheory.CategoryCategoryTheory.Category

Around this declaration

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

CategoryTheory.Functor.denseAt · cited by 6Functor.denseAtCategoryTheory.Functor.IsDense.leftKanExtensionIso · cited by 4IsDense.leftKanExtensionI…CategoryTheory.Functor.IsDense.of_iso · cited by 3IsDense.of_isoCategoryTheory.Functor.IsDense.leftKanExtensionUnit_leftKanExtensionIso_hom · cited by 2IsDense.leftKanExtensionU…CategoryTheory.ObjectProperty.IsStrongGenerator.isDense_colimitsCardinalClosure_ι · cited by 2IsStrongGenerator.isDense…CategoryTheory.Functor.IsDense.isDenseAt · cited by 1IsDense.isDenseAtCategoryTheory.Functor.IsDense.leftKanExtensionUnit_leftKanExtensionIso_hom_app · cited by 1IsDense.leftKanExtensionU…CategoryTheory.Functor.IsDense.of_fullyFaithful_restrictedULiftYoneda · cited by 1IsDense.of_fullyFaithful_…CategoryTheory.IsCardinalFilteredGenerator.of_isDense · cited by 1IsCardinalFilteredGenerat…CategoryTheory.IsCardinalFilteredGenerator.of_isDense_ι · cited by 1IsCardinalFilteredGenerat…CategoryTheory.IsCardinalLocallyPresentable.iff_exists_isStrongGenerator · cited by 1IsCardinalLocallyPresenta…CategoryTheory.Functor.IsDense.casesOn · cited by 0IsDense.casesOnCategoryTheory.Functor.IsDense.comp_left_iff_of_isEquivalence · cited by 0IsDense.comp_left_iff_of_…CategoryTheory.Functor.IsDense.comp_right_iff_of_isEquivalence · cited by 0IsDense.comp_right_iff_of…CategoryTheory.Functor.IsDense.iff_of_iso · cited by 0IsDense.iff_of_isoCategoryTheory.Category · cited by 32673CategoryTheory.CategoryCategoryTheory.Functor · cited by 16252CategoryTheory.FunctorFunctor.IsDenseCITED BYCITES

Cites2

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by23

Results whose statement or proof uses this declaration.