Theorem TopologicalSpace.ext_iff_isClosed

Modification history

2024-08-01 16:02
Mathlib/Topology/Basic.lean
chore: backports for leanprover/lean4#4814 (part 9) (#15389) …
Modified TopologicalSpace.ext_iff_isClosedView on Github →
2024-01-25 16:42
Mathlib/Topology/Basic.lean
feat(Topology/Basic): add TopologicalSpace.ext_isClosed (#9963) …
Added TopologicalSpace.ext_iff_isClosedView on Github →