Mathlib Changelog
v4
Changelog
About
Github
Theorem
TopologicalSpace.Opens.ne_bot_iff_nonempty
Modification history
2023-02-11 07:51
Mathlib/Topology/Sets/Opens.lean
feat: port Topology.Sets.Opens (#2118)
Added
TopologicalSpace.Opens.ne_bot_iff_nonempty
View on Github →