Theorem isProperMap_iff_isClosedMap_filter

Modification history

2025-10-18 20:17
Mathlib/Topology/Maps/Proper/Basic.lean
chore: move `isProperMap_iff_isClosedMap_filter` next to the ultrafilter version (#30409) …
Modified isProperMap_iff_isClosedMap_filterView on Github →
2023-07-31 08:03
Mathlib/Topology/ProperMap.lean
feat(Topology.ProperMap): basic theory of proper maps (#6005)
Added isProperMap_iff_isClosedMap_filterView on Github →