∫ Утверждение Mathlib
instPreadditive
Mathlib.Algebra.Homology.HomotopyCategory
URI: https://scilib.ai/kg/mathlib#HomotopyCategory.instPreadditive
∫ Утверждение Mathlib
Mathlib.Algebra.Homology.HomotopyCategory
URI: https://scilib.ai/kg/mathlib#HomotopyCategory.instPreadditive