Theorems · Definition · category theory
CategoryTheory.Subobject.factorThru
{C : Type u₁} →
[inst : CategoryTheory.Category.{v₁, u₁} C] →
{X Y : C} →
(P : CategoryTheory.Subobject Y) → (f : X ⟶ Y) → P.Factors f → (X ⟶ CategoryTheory.Subobject.underlying.obj P)P.factorThru f h provides a factorisation of f : X ⟶ Y through some P : Subobject Y,
given the evidence h : P.Factors f that such a factorisation exists.
- Cited by
- 35 results in Mathlib
- Foundations
- Depth 39 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- CategoryTheory.Category
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites6
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 and proof · cited by 32,603
- CategoryTheory.Functor.objstatement · cited by 19,642
- CategoryTheory.Subobjectstatement and proof · cited by 385
- CategoryTheory.Subobject.underlyingstatement · cited by 211
- CategoryTheory.Subobject.Factorsstatement and proof · cited by 56
Cited by40
Results whose statement or proof uses this declaration.
- CategoryTheory.Subobject.factorThru_arrowstatement · cited by 31
- AlgebraicTopology.DoldKan.PInftyToNormalizedMooreComplexproof · cited by 10
- CategoryTheory.Limits.kernelSubobjectMapproof · cited by 9
- CategoryTheory.ObjectProperty.isStrongGenerator_iffproof · cited by 5
- CategoryTheory.Limits.factorThruKernelSubobjectproof · cited by 4
- AlgebraicTopology.NormalizedMooreComplex.mapproof · cited by 4
- AlgebraicTopology.NormalizedMooreComplex.objDproof · cited by 3
- CategoryTheory.Subobject.factorThru_arrow_assocstatement and proof · cited by 3
- CategoryTheory.Limits.pullback_factorsproof · cited by 2
- CategoryTheory.Subobject.finset_inf_arrow_factorsproof · cited by 2
- AlgebraicTopology.DoldKan.PInftyToNormalizedMooreComplex_naturalityproof · cited by 1