Theorems · Theorem · category theory
CategoryTheory.Projective.factors
∀ {C : Type u} {inst : CategoryTheory.Category.{v, u} C} {P : C} [self : CategoryTheory.Projective P] {E X : C}
(f : P ⟶ X) (e : E ⟶ X) [CategoryTheory.Epi e], ∃ f', CategoryTheory.CategoryStruct.comp f' e = f- Cited by
- 6 results in Mathlib
- Foundations
- Depth 3 from the axioms · uses no axioms
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
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.Homstatement · cited by 32,603
- CategoryTheory.CategoryStruct.compstatement · cited by 17,999
- CategoryTheory.Epistatement · cited by 688
- CategoryTheory.Projectivestatement and proof · cited by 78
Cited by7
Results whose statement or proof uses this declaration.
- CategoryTheory.Projective.factorThruproof · cited by 9
- CategoryTheory.Projective.factorThru_compproof · cited by 8
- CategoryTheory.Adjunction.map_projectiveproof · cited by 2
- CategoryTheory.Retract.projectiveproof · cited by 1
- CategoryTheory.Adjunction.projective_of_map_projectiveproof · cited by 1
- CategoryTheory.Projective.of_isoproof · cited by 1
- CategoryTheory.Functor.projective_of_map_projectiveproof · cited by 0