Mathlib v3 is deprecated. Go to Mathlib v4

Theorem nhds_sets

Modification history

2020-02-06 12:20
src/topology/basic.lean
refactor(topology/basic): rewrite some proofs using filter bases (#1967)
Deleted nhds_setsView on Github →
2019-11-12 11:23
src/topology/basic.lean
style(*): use notation `𝓝` for `nhds` (#1582) …
Modified nhds_setsView on Github →
2017-08-10 16:41
topology/topological_space.lean
rename open -> is_open, closed -> is_closed
Modified nhds_setsView on Github →
2017-08-10 16:36
topology/topological_space.lean
construct reals as complete, linear ordered field
Modified nhds_setsView on Github →
2017-07-23 18:29
topology/topological_space.lean
refactor(*): use 'lemma' iff statement is private
Modified nhds_setsView on Github →
2017-07-23 18:13
topology/topological_space.lean
refactor(*): use . instead of ^.
Modified nhds_setsView on Github →
2017-07-23 15:16
topology/topological_space.lean
refactor(*): import content from lean/library/data and library_dev
Added nhds_setsView on Github →