Theorems · Theorem · category theory
CategoryTheory.Functor.initial_const_initial
∀ {C : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} C] {D : Type u₂} [inst_1 : CategoryTheory.Category.{v₂, u₂} D]
[CategoryTheory.IsCofiltered C] [inst_3 : CategoryTheory.Limits.HasInitial D],
((CategoryTheory.Functor.const C).obj (⊥_ D)).InitialThe inclusion of the initial object is initial.
- Defined in
- Mathlib.CategoryTheory.Filtered.Final
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- Foundations
- Depth 39 from the axioms · uses propext, Classical.choice, Quot.sound
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- CategoryTheory.Categorystatement and proof · cited by 32,673
- CategoryTheory.Functor.objstatement · cited by 19,642
- CategoryTheory.Functorstatement · cited by 16,252
- CategoryTheory.Functor.conststatement · cited by 1,264
- CategoryTheory.Limits.HasInitialstatement and proof · cited by 185
- CategoryTheory.IsCofilteredstatement and proof · cited by 133
- CategoryTheory.Limits.initialstatement · cited by 84
- CategoryTheory.Functor.Initialstatement · cited by 84
- CategoryTheory.Limits.initialIsInitialproof · cited by 35
- CategoryTheory.Functor.initial_const_of_isInitialproof · cited by 1
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