Theorems · Theorem · category theory

CategoryTheory.InjectiveResolution.extMk_zero

∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] [inst_1 : CategoryTheory.Abelian C]
  [inst_2 : CategoryTheory.HasExt C] {X Y : C} (R : CategoryTheory.InjectiveResolution Y) {n : ℕ} (m : ℕ)
  (hm : n + 1 = m), R.extMk 0 m hm ⋯ = 0

Defined in: Mathlib.CategoryTheory.Abelian.Injective.Ext
Cited by: 0 results in Mathlib
Foundations: Depth 130 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: CategoryTheory.Category CategoryTheory.Abelian CategoryTheory.HasExt

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CategoryTheory.HasExtstatement and proof · cited by 218
CategoryTheory.Abelian.Extstatement · cited by 191

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