∫ Утверждение Mathlib
instIsNonstrictStrictOrderSubsetSSubset
Mathlib.SetTheory.ZFC.Basic
URI: https://scilib.ai/kg/mathlib#ZFSet.instIsNonstrictStrictOrderSubsetSSubset
∫ Утверждение Mathlib
Mathlib.SetTheory.ZFC.Basic
URI: https://scilib.ai/kg/mathlib#ZFSet.instIsNonstrictStrictOrderSubsetSSubset