Theorem EMetric.isClosed_subsets_of_isClosed

Modification history

2025-08-21 16:04
Mathlib/Topology/MetricSpace/Closeds.lean
feat(MetricSpace/Closeds): set of nonempty compacts below a closed set is closed (#28705) …
Deleted EMetric.isClosed_subsets_of_isClosedView on Github →
2023-04-17 07:01
Mathlib/Topology/MetricSpace/Closeds.lean
feat: port Topology.MetricSpace.Closeds (#3338)
Added EMetric.isClosed_subsets_of_isClosedView on Github →