Theorems · Theorem · category theory

CategoryTheory.Abelian.SpectralObject.toCycles_i

∀ {C : Type u_1} {ι : Type u_2} [inst : CategoryTheory.Category.{v_1, u_1} C]
  [inst_1 : CategoryTheory.Category.{v_2, u_2} ι] [inst_2 : CategoryTheory.Abelian C]
  (X : CategoryTheory.Abelian.SpectralObject C ι) {i j k : ι} (f : i ⟶ j) (g : j ⟶ k) (fg : i ⟶ k)
  (h : CategoryTheory.CategoryStruct.comp f g = fg) (n : ℤ),
  CategoryTheory.CategoryStruct.comp (X.toCycles f g fg h n) (X.iCycles f g n) =
    (X.H n).map (CategoryTheory.ComposableArrows.twoδ₁Toδ₀ f g fg h)

Defined in

Mathlib.Algebra.Homology.SpectralObject.Cycles

Cited by

8 results in Mathlib

Foundations

Depth 67 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.CategoryCategoryTheory.CategoryCategoryTheory.Abelian