Theorems · Theorem · category theory

CochainComplex.mappingCone.map_eq_mapOfHomotopy

∀ {C : Type u_1} [inst : CategoryTheory.Category.{v_1, u_1} C] [inst_1 : CategoryTheory.Preadditive C]
  [inst_2 : CategoryTheory.Limits.HasBinaryBiproducts C] {K₁ L₁ K₂ L₂ : CochainComplex C ℤ} (φ₁ : K₁ ⟶ L₁)
  (φ₂ : K₂ ⟶ L₂) (a : K₁ ⟶ K₂) (b : L₁ ⟶ L₂)
  (comm : CategoryTheory.CategoryStruct.comp φ₁ b = CategoryTheory.CategoryStruct.comp a φ₂),
  CochainComplex.mappingCone.map φ₁ φ₂ a b comm = CochainComplex.mappingCone.mapOfHomotopy (Homotopy.ofEq comm)

Defined in: Mathlib.Algebra.Homology.HomotopyCategory.Pretriangulated
Cited by: 0 results in Mathlib
Foundations: Depth 65 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: CategoryTheory.Category CategoryTheory.Preadditive CategoryTheory.Limits.HasBinaryBiproducts

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CategoryTheory.Limits.HasBinaryBiproductsstatement and proof · cited by 165

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