Theorems · Definition · category theory

CochainComplex.HomComplex.CohomologyClass

{C : Type u} →
  [inst : CategoryTheory.Category.{v, u} C] →
    [inst_1 : CategoryTheory.Preadditive C] → CochainComplex C ℤ → CochainComplex C ℤ → ℤ → Type v

The type of cohomology classes of degree n in the complex of morphisms from K to L.

Defined in

Mathlib.Algebra.Homology.HomotopyCategory.HomComplexCohomology

Cited by

49 results in Mathlib

Foundations

Depth 68 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.CategoryCategoryTheory.Preadditive