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Theorem filter.principal_ne_bot_iff

Modification history

2020-12-10 13:58
src/order/filter/basic.lean
refactor(order/filter/ultrafilter): drop `filter.is_ultrafilter` (#5264) …
Modified filter.principal_ne_bot_iffView on Github →
2020-07-19 21:18
src/order/filter/basic.lean
refactor(order/filter/basic): add class `filter.ne_bot` (#3454) …
Modified filter.principal_ne_bot_iffView on Github →
2020-06-25 12:26
src/order/filter/basic.lean
feat(filter, topology): cluster_pt and principal notation, redefine compactness (#3160) …
Modified filter.principal_ne_bot_iffView on Github →
2020-03-03 11:51
src/order/filter/basic.lean
feat(tactic/lint): check for redundant simp lemmas (#2066) …
Modified filter.principal_ne_bot_iffView on Github →
2020-02-05 06:25
src/order/filter/basic.lean
refactor(*): migrate from `≠ ∅` to `set.nonempty` (#1954) …
Added filter.principal_ne_bot_iffView on Github →