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Theorems · Definition · algebraic topology

CategoryTheory.SimplicialObject.Splitting.IndexSet.e

{Δ : SimplexCategoryᵒᵖ} →
  (A : CategoryTheory.SimplicialObject.Splitting.IndexSet Δ) → Opposite.unop Δ ⟶ Opposite.unop A.fst

The epimorphism in SimplexCategory associated to A : Splitting.IndexSet Δ

Defined in
Mathlib.AlgebraicTopology.SimplicialObject.Split
Cited by
28 results in Mathlib
Foundations
Depth 31 from the axioms · uses propext, Quot.sound

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

CategoryTheory.SimplicialObject.Splitting.cofan · cited by 46Splitting.cofanAlgebraicTopology.DoldKan.Γ₀.Obj.map · cited by 9Obj.mapCategoryTheory.SimplicialObject.Splitting.IndexSet.pull · cited by 7IndexSet.pullCategoryTheory.SimplicialObject.Splitting.map · cited by 5Splitting.mapCategoryTheory.SimplicialObject.Splitting.IndexSet.epiComp · cited by 5IndexSet.epiCompCategoryTheory.SimplicialObject.Splitting.cofan_inj_eq · cited by 4Splitting.cofan_inj_eqAlgebraicTopology.DoldKan.Γ₂N₁.natTrans · cited by 4Γ₂N₁.natTransAlgebraicTopology.DoldKan.Γ₀.Obj.map_on_summand · cited by 4Obj.map_on_summandCategoryTheory.SimplicialObject.Splitting.cofan' · cited by 3Splitting.cofan'AlgebraicTopology.DoldKan.Γ₀.Obj.map_on_summand₀ · cited by 3Obj.map_on_summand₀CategoryTheory.SimplicialObject.Splitting.cofan_inj_comp_PInfty_eq_zero · cited by 2Splitting.cofan_inj_comp_…CategoryTheory.SimplicialObject.Splitting.cofan_inj_comp_app · cited by 2Splitting.cofan_inj_comp_…CategoryTheory.SimplicialObject.Splitting.IndexSet.eqId_iff_mono · cited by 2IndexSet.eqId_iff_monoCategoryTheory.SimplicialObject.Splitting.IndexSet.fac_pull · cited by 2IndexSet.fac_pullCategoryTheory.SimplicialObject.Splitting.σ_comp_πSummand_id_eq_zero · cited by 2Splitting.σ_comp_πSummand…Quiver.Hom · cited by 32603Quiver.HomOpposite · cited by 8081OppositeOpposite.unop · cited by 2231Opposite.unopSimplexCategory · cited by 2204SimplexCategoryCategoryTheory.Epi · cited by 688CategoryTheory.EpiCategoryTheory.SimplicialObject.Splitting.IndexSet · cited by 65Splitting.IndexSetIndexSet.eCITED BYCITES

Cites6

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by35

Results whose statement or proof uses this declaration.