Theorem OnePoint.isOpen_iff_of_not_mem

Modification history

2025-05-25 12:30
Mathlib/Topology/Compactification/OnePoint.lean
chore(*): not_mem/nmem -> notMem (#25159)
Deleted OnePoint.isOpen_iff_of_not_memView on Github →
2023-05-30 23:20
Mathlib/Topology/Compactification/OnePoint.lean
chore: Rename Alenxandroff to Compactification.OnePoint (#4506) …
Added OnePoint.isOpen_iff_of_not_memView on Github →