Theorems · Definition · category theory
CategoryTheory.forget
(C : Type u_1) →
[inst : CategoryTheory.Category.{v_1, u_1} C] →
{FC : outParam (C → C → Type u_2)} →
{CC : outParam (C → Type w)} →
[inst_1 : outParam ((X Y : C) → FunLike (FC X Y) (CC X) (CC Y))] →
[CategoryTheory.ConcreteCategory C FC] → CategoryTheory.Functor C (Type w)The forgetful functor from a concrete category to the category of types.
- Cited by
- 418 results in Mathlib
- Foundations
- Depth 19 from the axioms, rests on 104 definitions · uses propext, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites9
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coeproof · cited by 62,936
- CategoryTheory.Categorystatement and proof · cited by 32,673
- Quiver.Homproof · cited by 32,603
- CategoryTheory.Functorstatement · cited by 16,252
- CategoryTheory.ConcreteCategory.homproof · cited by 4,022
- FunLikestatement and proof · cited by 2,560
- CategoryTheory.ConcreteCategorystatement and proof · cited by 421
- TypeCat.ofHomproof · cited by 389
- CategoryTheory.ToTypeproof · cited by 219
Cited by640
Results whose statement or proof uses this declaration.
- AlgebraicGeometry.Scheme.forgetproof · cited by 78
- TopCat.Presheaf.exists_germ_eqstatement and proof · cited by 14
- smoothSheafCommRing.forgetStalkproof · cited by 13
- CategoryTheory.ConcreteCategory.forget_map_eq_ofHomstatement · cited by 13
- CategoryTheory.PreGaloisCategory.AutGaloisproof · cited by 12
- CategoryTheory.ConcreteCategory.isIso_iff_bijectivestatement and proof · cited by 12
- CategoryTheory.ConcreteCategory.mono_of_injectiveproof · cited by 12
- TopCat.epi_iff_surjectiveproof · cited by 11
- LightCondensed.forgetproof · cited by 10
- CategoryTheory.Functor.RepresentableBy.homEquiv'statement and proof · cited by 10
- SheafOfModules.Presentation.relationsstatement · cited by 10
- TopCat.Presheaf.germ_eqstatement and proof · cited by 9
Showing the 200 most cited of 640.