∫ Утверждение Mathlib
isOpenQuotientMap_mk
Mathlib.Topology.Algebra.Ring.Ideal
URI: https://scilib.ai/kg/mathlib#QuotientRing.isOpenQuotientMap_mk
∫ Утверждение Mathlib
Mathlib.Topology.Algebra.Ring.Ideal
URI: https://scilib.ai/kg/mathlib#QuotientRing.isOpenQuotientMap_mk