Theorem isProperMap_iff_isClosedMap_ultrafilter

Modification history

2024-07-19 06:14
Mathlib/Topology/Maps/Proper/Basic.lean
chore: Move universally closed characterisation of proper maps (#14848) …
Modified isProperMap_iff_isClosedMap_ultrafilterView on Github →
2023-07-31 08:03
Mathlib/Topology/ProperMap.lean
feat(Topology.ProperMap): basic theory of proper maps (#6005)
Added isProperMap_iff_isClosedMap_ultrafilterView on Github →