Theorems · Definition · category theory
CategoryTheory.Limits.isLimitMapConeEmptyConeEquiv
{C : Type u₁} →
[inst : CategoryTheory.Category.{v₁, u₁} C] →
{D : Type u₂} →
[inst_1 : CategoryTheory.Category.{v₂, u₂} D] →
(G : CategoryTheory.Functor C D) →
(X : C) →
CategoryTheory.Limits.IsLimit (G.mapCone (CategoryTheory.Limits.asEmptyCone X)) ≃
CategoryTheory.Limits.IsTerminal (G.obj X)The map of an empty cone is a limit iff the mapped object is terminal.
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 32 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
- CategoryTheory.Functor.objstatement and proof · cited by 19,642
- CategoryTheory.Functorstatement and proof · cited by 16,252
- Equivstatement · cited by 8,337
- CategoryTheory.Functor.compstatement · cited by 6,529
- CategoryTheory.Discretestatement · cited by 2,447
- CategoryTheory.Limits.IsLimitstatement · cited by 664
- CategoryTheory.Limits.IsTerminalstatement · cited by 153
- CategoryTheory.Functor.mapConestatement and proof · cited by 147
- CategoryTheory.Functor.emptystatement · cited by 103
- CategoryTheory.eqToIsoproof · cited by 97
- CategoryTheory.Limits.asEmptyConestatement and proof · cited by 12
Cited by3
Results whose statement or proof uses this declaration.
- CategoryTheory.Limits.IsTerminal.isTerminalObjproof · cited by 8
- CategoryTheory.Limits.IsTerminal.isTerminalOfObjproof · cited by 2
- CategoryTheory.Limits.PreservesTerminal.of_iso_comparisonproof · cited by 1