Theorem t2_iff_nhds
Modification history
2020-07-19 21:18
src/topology/separation.lean
refactor(order/filter/basic): add class `filter.ne_bot` (#3454) …
Modified t2_iff_nhdsView on Github →2019-11-12 11:23
src/topology/separation.lean
style(*): use notation `𝓝` for `nhds` (#1582) …
Modified t2_iff_nhdsView on Github →