Theorems · Definition · category theory
CategoryTheory.Functor.RightExtension.coneAt
{C : Type u_1} →
{D : Type u_2} →
{H : Type u_4} →
[inst : CategoryTheory.Category.{v_1, u_1} C] →
[inst_1 : CategoryTheory.Category.{v_2, u_2} D] →
[inst_2 : CategoryTheory.Category.{v_4, u_4} H] →
{L : CategoryTheory.Functor C D} →
{F : CategoryTheory.Functor C H} →
L.RightExtension F →
(Y : D) → CategoryTheory.Limits.Cone ((CategoryTheory.StructuredArrow.proj Y L).comp F)The cone for StructuredArrow.proj Y L ⋙ F attached to E : RightExtension L F.
The point of this cone is E.left.obj Y
- Cited by
- 9 results in Mathlib
- Foundations
- Depth 29 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites16
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.CategoryStruct.compproof · cited by 17,999
- CategoryTheory.Functorstatement and proof · cited by 16,252
- CategoryTheory.Functor.mapproof · cited by 8,698
- CategoryTheory.NatTrans.appproof · cited by 7,406
- CategoryTheory.Functor.compstatement · cited by 6,529
- CategoryTheory.Limits.Conestatement · cited by 710
- CategoryTheory.StructuredArrowstatement and proof · cited by 370
- CategoryTheory.StructuredArrow.rightproof · cited by 213
- CategoryTheory.CostructuredArrow.leftproof · cited by 202
Cited by15
Results whose statement or proof uses this declaration.
- CategoryTheory.Functor.RightExtension.IsPointwiseRightKanExtensionAtproof · cited by 10
- CategoryTheory.Functor.RightExtension.coneAtWhiskerRightIsostatement and proof · cited by 3
- CategoryTheory.Functor.RightExtension.coneAtFunctorproof · cited by 2
- CategoryTheory.Functor.RightExtension.coneAt_π_appstatement and proof · cited by 1
- CategoryTheory.RanIsSheafOfIsCocontinuous.hom_extproof · cited by 0
- CategoryTheory.Functor.RightExtension.coneAtFunctor_map_homstatement · cited by 0
- CategoryTheory.Functor.RightExtension.coneAtFunctor_objstatement · cited by 0
- CategoryTheory.Functor.RightExtension.coneAtWhiskerRightIso_hom_homstatement · cited by 0
- CategoryTheory.Functor.RightExtension.coneAtWhiskerRightIso_inv_homstatement · cited by 0
- CategoryTheory.Functor.RightExtension.coneAt_ptstatement and proof · cited by 0
- CategoryTheory.Functor.RightExtension.IsPointwiseRightKanExtension.homToproof · cited by 0