∫ Утверждение Mathlib
instCountableFreeAbelianGroup
Mathlib.SetTheory.Cardinal.Free
URI: https://scilib.ai/kg/mathlib#instCountableFreeAbelianGroup
∫ Утверждение Mathlib
Mathlib.SetTheory.Cardinal.Free
URI: https://scilib.ai/kg/mathlib#instCountableFreeAbelianGroup