Theorems · Theorem · category theory

CategoryTheory.Retract.injectiveDimension_le

∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] [inst_1 : CategoryTheory.Abelian C] {X Y : C}
  (h : CategoryTheory.Retract X Y), CategoryTheory.injectiveDimension X ≤ CategoryTheory.injectiveDimension Y

Defined in

Mathlib.CategoryTheory.Abelian.Injective.Dimension

Cited by

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Foundations

Depth 114 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.CategoryCategoryTheory.Abelian