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Theorems · Definition · category theory

CategoryTheory.Limits.initialIsInitial

{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    [inst_1 : CategoryTheory.Limits.HasInitial C] → CategoryTheory.Limits.IsInitial (⊥_ C)

An initial object is initial.

Defined in
Mathlib.CategoryTheory.Limits.Shapes.Terminal
Cited by
35 results in Mathlib
Foundations
Depth 29 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.Limits.HasInitial

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

CategoryTheory.Bicategory.lanIsKan · cited by 6Bicategory.lanIsKancolimitCoconeOfInitialAndPushouts · cited by 6colimitCoconeOfInitialAnd…CategoryTheory.Bicategory.lanLiftIsKan · cited by 6Bicategory.lanLiftIsKanCategoryTheory.Limits.initialIsoIsInitial · cited by 4Limits.initialIsoIsInitialCategoryTheory.Limits.HasZeroObject.zeroIsoInitial · cited by 4HasZeroObject.zeroIsoInit…CategoryTheory.Limits.mulInitial · cited by 2Limits.mulInitialCategoryTheory.WithInitial.starIsoInitial · cited by 2WithInitial.starIsoInitialCategoryTheory.Subobject.botCoeIsoZero · cited by 2Subobject.botCoeIsoZeroCategoryTheory.Limits.initialMul · cited by 2Limits.initialMulCategoryTheory.isPullback_of_cofan_isVanKampen · cited by 2CategoryTheory.isPullback…CategoryTheory.Limits.isColimitOfHasInitialOfPreservesColimit · cited by 2Limits.isColimitOfHasInit…CategoryTheory.BinaryCofan.isPullback_initial_to_of_isVanKampen · cited by 1BinaryCofan.isPullback_in…CategoryTheory.BinaryCofan.mono_inr_of_isVanKampen · cited by 1BinaryCofan.mono_inr_of_i…HomotopicalAlgebra.CofibrantObject.HoCat.exists_resolution · cited by 1HoCat.exists_resolutionCategoryTheory.MonoOver.botCoeIsoZero · cited by 1MonoOver.botCoeIsoZeroCategoryTheory.Category · cited by 32673CategoryTheory.CategoryCategoryTheory.Limits.Cocone.pt · cited by 1354Cocone.ptCategoryTheory.Limits.Cocone · cited by 746Limits.CoconeCategoryTheory.Limits.HasInitial · cited by 185Limits.HasInitialCategoryTheory.Limits.IsInitial · cited by 158Limits.IsInitialCategoryTheory.Functor.empty · cited by 103Functor.emptyCategoryTheory.Limits.initial · cited by 84Limits.initialCategoryTheory.Limits.initial.to · cited by 63initial.toLimits.initialIsInitialCITED BYCITES

Cites8

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by53

Results whose statement or proof uses this declaration.