Theorems · Theorem · category theory
CategoryTheory.Abelian.has_injective_coseparator
∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] [CategoryTheory.Abelian C] [CategoryTheory.Limits.HasLimits C]
[CategoryTheory.EnoughInjectives C] (G : C),
CategoryTheory.IsSeparator G → ∃ G, CategoryTheory.Injective G ∧ CategoryTheory.IsCoseparator G- Defined in
- Mathlib.CategoryTheory.Generator.Abelian
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 89 from the axioms · uses propext, Classical.choice, Quot.sound
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.Homproof · cited by 32,603
- CategoryTheory.Functor.objproof · cited by 19,642
- CategoryTheory.CategoryStruct.compproof · cited by 17,999
- CategoryTheory.Iso.homproof · cited by 7,684
- CategoryTheory.Category.assocproof · cited by 6,433
- Opposite.unopproof · cited by 2,231
- Quiver.Hom.opproof · cited by 1,948
- CategoryTheory.Abelianstatement and proof · cited by 1,753
- CategoryTheory.Subobjectproof · cited by 385
- CategoryTheory.Limits.comp_zeroproof · cited by 365
- CategoryTheory.Limits.zero_compproof · cited by 339
Cited by1
Results whose statement or proof uses this declaration.
- CategoryTheory.Abelian.has_projective_separatorproof · cited by 0