Theorem IsClosed.not_normal_of_continuum_le_mk

Modification history

2026-01-06 20:52
Mathlib/Topology/Separation/NotNormal.lean
feat(Topology/Separation/NotNormal): generalize to non-separable spaces (#33414)
Modified IsClosed.not_normal_of_continuum_le_mkView on Github →
2023-07-19 07:03
Mathlib/Topology/Separation/NotNormal.lean
feat: +1 proof that Sorgenfrey plane is not normal (#5775)
Added IsClosed.not_normal_of_continuum_le_mkView on Github →