Theorems · Definition · category theory
HomologicalComplex.mkHomToSingle
{V : Type u} →
[inst : CategoryTheory.Category.{v, u} V] →
[inst_1 : CategoryTheory.Limits.HasZeroMorphisms V] →
[inst_2 : CategoryTheory.Limits.HasZeroObject V] →
{ι : Type u_1} →
[inst_3 : DecidableEq ι] →
{c : ComplexShape ι} →
{K : HomologicalComplex V c} →
{j : ι} →
{A : V} →
(φ : K.X j ⟶ A) →
(∀ (i : ι), c.Rel i j → CategoryTheory.CategoryStruct.comp (K.d i j) φ = 0) →
(K ⟶ (HomologicalComplex.single V c j).obj A)Constructor for morphisms to a single homological complex.
- Defined in
- Mathlib.Algebra.Homology.Single
- Cited by
- 4 results in Mathlib
- Foundations
- Depth 24 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites16
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.CategoryStruct.compstatement and proof · cited by 17,999
- CategoryTheory.Iso.homproof · cited by 7,684
- CategoryTheory.Iso.invproof · cited by 6,514
- CategoryTheory.Limits.HasZeroMorphismsstatement and proof · cited by 3,275
- HomologicalComplex.Xstatement and proof · cited by 1,839
- HomologicalComplexstatement and proof · cited by 1,691
- ComplexShapestatement and proof · cited by 1,684
- CategoryTheory.Limits.HasZeroObjectstatement and proof · cited by 1,298
- HomologicalComplex.dstatement and proof · cited by 598
Cited by7
Results whose statement or proof uses this declaration.
- HomologicalComplex.extendSingleIsoproof · cited by 7
- HomologicalComplex.mkHomToSingle_fstatement · cited by 6
- ChainComplex.toSingle₀Equivproof · cited by 4
- CochainComplex.toSingle₀Equivproof · cited by 3
- CochainComplex.isSplitMono_from_singleFunctor_obj_of_injectiveproof · cited by 1
- CochainComplex.exists_iso_singleproof · cited by 1
- HomologicalComplex.mkHomToSingle.congr_simpstatement and proof · cited by 0