Mathlib v3 is deprecated. Go to Mathlib v4

Def nhds_within

Modification history

2021-02-10 15:17
src/topology/basic.lean
feat(topology/constructions): add `map_fst_nhds` and `map_snd_nhds` (#6142) …
Modified nhds_withinView on Github →
2020-06-25 12:26
src/topology/continuous_on.lean
feat(filter, topology): cluster_pt and principal notation, redefine compactness (#3160) …
Modified nhds_withinView on Github →
2019-11-12 11:23
src/topology/continuous_on.lean
style(*): use notation `𝓝` for `nhds` (#1582) …
Modified nhds_withinView on Github →
2019-10-08 13:51
src/topology/basic.lean
refactor(topology/continuous_on): move continuous_{on,within_at} to own file (#1516) …
Modified nhds_withinView on Github →
2019-02-08 09:28
src/topology/basic.lean
feat (analysis/topology/topological_space): properties of nhds, nhds_within
Added nhds_withinView on Github →