∫ Утверждение Mathlib
projective_iff_injective_op
Mathlib.CategoryTheory.Preadditive.Injective.Basic
URI: https://scilib.ai/kg/mathlib#CategoryTheory.Injective.projective_iff_injective_op
∫ Утверждение Mathlib
Mathlib.CategoryTheory.Preadditive.Injective.Basic
URI: https://scilib.ai/kg/mathlib#CategoryTheory.Injective.projective_iff_injective_op