Theorems · Theorem · category theory
CategoryTheory.Presieve.piComparison_fac
∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] (F : CategoryTheory.Functor Cᵒᵖ (Type w)) {α : Type u_1}
[inst_1 : Small.{w, u_1} α] {X : α → C} (c : CategoryTheory.Limits.Cofan X) (hc : CategoryTheory.Limits.IsColimit c),
have this := ⋯;
(CategoryTheory.Limits.piComparison F fun x => Opposite.op (X x)) =
CategoryTheory.CategoryStruct.comp
(F.map
(CategoryTheory.Limits.opCoproductIsoProduct' hc
(CategoryTheory.Limits.productIsProduct fun x => Opposite.op (X x))).inv)
(CategoryTheory.Equalizer.Presieve.Arrows.forkMap F X c.inj)- Defined in
- Mathlib.CategoryTheory.Sites.Preserves
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 40 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- CategoryTheory.CategorySmall
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites41
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.Homstatement and proof · cited by 32,603
- CategoryTheory.Functor.objstatement and proof · cited by 19,642
- CategoryTheory.CategoryStruct.compstatement and proof · cited by 17,999
- CategoryTheory.Functorstatement and proof · cited by 16,252
- CategoryTheory.Functor.mapstatement and proof · cited by 8,698
- Oppositestatement and proof · cited by 8,081
- CategoryTheory.Iso.homproof · cited by 7,684
- CategoryTheory.Iso.invstatement and proof · cited by 6,514
- CategoryTheory.Category.assocproof · cited by 6,433
- CategoryTheory.Discretestatement · cited by 2,447
- CategoryTheory.Category.comp_idproof · cited by 2,119
Cited by1
Results whose statement or proof uses this declaration.
- CategoryTheory.Presieve.isSheafFor_of_preservesProductproof · cited by 2