Mathlib Map

Theorems · Definition · category theory

CategoryTheory.WithInitial.mkCommaObject

{C : Type u} →
  [inst : CategoryTheory.Category.{v, u} C] →
    {D : Type u_1} →
      [inst_1 : CategoryTheory.Category.{v_1, u_1} D] →
        CategoryTheory.Functor (CategoryTheory.WithInitial C) D →
          CategoryTheory.Comma (CategoryTheory.Functor.const C) (CategoryTheory.Functor.id (CategoryTheory.Functor C D))

A functor WithInitial C ⥤ D can be seen as an element of the comma category Comma (const C) (𝟭 (C ⥤ D)).

Defined in
Mathlib.CategoryTheory.WithTerminal.Basic
Cited by
22 results in Mathlib
Foundations
Depth 39 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.Category

Around this declaration

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

CategoryTheory.WithInitial.equivComma · cited by 16WithInitial.equivCommaCategoryTheory.WithInitial.mkCommaMorphism · cited by 14WithInitial.mkCommaMorphi…AugmentedSimplexCategory.equivAugmentedCosimplicialObject_counitIso_hom_app_left · cited by 0AugmentedSimplexCategory.…AugmentedSimplexCategory.equivAugmentedCosimplicialObject_counitIso_hom_app_right_app · cited by 0AugmentedSimplexCategory.…AugmentedSimplexCategory.equivAugmentedCosimplicialObject_counitIso_inv_app_left · cited by 0AugmentedSimplexCategory.…AugmentedSimplexCategory.equivAugmentedCosimplicialObject_counitIso_inv_app_right_app · cited by 0AugmentedSimplexCategory.…AugmentedSimplexCategory.equivAugmentedCosimplicialObject_functor_map_left · cited by 0AugmentedSimplexCategory.…AugmentedSimplexCategory.equivAugmentedCosimplicialObject_functor_map_right_app · cited by 0AugmentedSimplexCategory.…AugmentedSimplexCategory.equivAugmentedCosimplicialObject_unitIso_hom_app_app · cited by 0AugmentedSimplexCategory.…AugmentedSimplexCategory.equivAugmentedCosimplicialObject_unitIso_inv_app_app · cited by 0AugmentedSimplexCategory.…CategoryTheory.WithInitial.equivComma_counitIso_hom_app_left · cited by 0WithInitial.equivComma_co…CategoryTheory.WithInitial.equivComma_counitIso_hom_app_right_app · cited by 0WithInitial.equivComma_co…CategoryTheory.WithInitial.equivComma_counitIso_inv_app_left · cited by 0WithInitial.equivComma_co…CategoryTheory.WithInitial.equivComma_counitIso_inv_app_right_app · cited by 0WithInitial.equivComma_co…CategoryTheory.WithInitial.equivComma_functor_map_left · cited by 0WithInitial.equivComma_fu…CategoryTheory.Category · cited by 32673CategoryTheory.CategoryQuiver.Hom · cited by 32603Quiver.HomCategoryTheory.Functor.obj · cited by 19642Functor.objCategoryTheory.Functor · cited by 16252CategoryTheory.FunctorCategoryTheory.Functor.map · cited by 8698Functor.mapCategoryTheory.Functor.comp · cited by 6529Functor.compCategoryTheory.Functor.id · cited by 3333Functor.idCategoryTheory.Functor.const · cited by 1264Functor.constCategoryTheory.Comma · cited by 566CategoryTheory.CommaCategoryTheory.WithInitial · cited by 144CategoryTheory.WithInitialCategoryTheory.Limits.IsInitial.to · cited by 119IsInitial.toCategoryTheory.WithInitial.incl · cited by 37WithInitial.inclCategoryTheory.WithInitial.starInitial · cited by 23WithInitial.starInitialWithInitial.mkCommaObjectCITED BYCITES

Cites13

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

Cited by24

Results whose statement or proof uses this declaration.