Theorems · Definition · category theory

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{ι : Type u_1} →
  {V : Type u} →
    [inst : CategoryTheory.Category.{v, u} V] →
      [inst_1 : CategoryTheory.Preadditive V] →
        {c : ComplexShape ι} →
          {C D : HomologicalComplex V c} → (j : ι) → ((i j : ι) → C.X i ⟶ D.X j) →+ (C.X j ⟶ D.xPrev j)

f j (c.prev j).

Defined in

Mathlib.Algebra.Homology.Homotopy

Cited by

1 results in Mathlib

Foundations

Depth 19 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.CategoryCategoryTheory.Preadditive