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)).
- Cited by
- 22 results in Mathlib
- Foundations
- Depth 39 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites13
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- CategoryTheory.Categorystatement and proof · cited by 32,673
- Quiver.Homproof · cited by 32,603
- CategoryTheory.Functor.objproof · cited by 19,642
- CategoryTheory.Functorstatement and proof · cited by 16,252
- CategoryTheory.Functor.mapproof · cited by 8,698
- CategoryTheory.Functor.compproof · cited by 6,529
- CategoryTheory.Functor.idstatement · cited by 3,333
- CategoryTheory.Functor.conststatement · cited by 1,264
- CategoryTheory.Commastatement · cited by 566
- CategoryTheory.WithInitialstatement and proof · cited by 144
- CategoryTheory.Limits.IsInitial.toproof · cited by 119
- CategoryTheory.WithInitial.inclproof · cited by 37
Cited by24
Results whose statement or proof uses this declaration.
- CategoryTheory.WithInitial.equivCommaproof · cited by 16
- CategoryTheory.WithInitial.mkCommaMorphismstatement · cited by 14
- AugmentedSimplexCategory.equivAugmentedCosimplicialObject_counitIso_hom_app_leftstatement · cited by 0
- AugmentedSimplexCategory.equivAugmentedCosimplicialObject_counitIso_hom_app_right_appstatement · cited by 0
- AugmentedSimplexCategory.equivAugmentedCosimplicialObject_counitIso_inv_app_leftstatement · cited by 0
- AugmentedSimplexCategory.equivAugmentedCosimplicialObject_counitIso_inv_app_right_appstatement · cited by 0
- AugmentedSimplexCategory.equivAugmentedCosimplicialObject_functor_map_leftstatement · cited by 0
- AugmentedSimplexCategory.equivAugmentedCosimplicialObject_functor_map_right_appstatement · cited by 0
- AugmentedSimplexCategory.equivAugmentedCosimplicialObject_unitIso_hom_app_appstatement · cited by 0
- AugmentedSimplexCategory.equivAugmentedCosimplicialObject_unitIso_inv_app_appstatement · cited by 0
- CategoryTheory.WithInitial.equivComma_counitIso_hom_app_leftstatement · cited by 0
- CategoryTheory.WithInitial.equivComma_counitIso_hom_app_right_appstatement · cited by 0