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Theorem filter.inf_principal_ne_bot_iff

Modification history

2020-10-31 13:30
src/order/filter/bases.lean
refactor(order/filter): move some proofs to `bases` (#3478) …
Modified filter.inf_principal_ne_bot_iffView on Github →
2020-07-02 20:45
src/order/filter/basic.lean
feat(topology/basic): add `eventually_eventually_nhds` (#3266)
Modified filter.inf_principal_ne_bot_iffView on Github →
2020-06-20 15:10
src/order/filter/basic.lean
feat(*): random lemmas about sets and filters (#3118) …
Added filter.inf_principal_ne_bot_iffView on Github →