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Theorem set.univ_ne_empty

Modification history

2020-02-05 06:25
src/data/set/basic.lean
refactor(*): migrate from `≠ ∅` to `set.nonempty` (#1954) …
Deleted set.univ_ne_emptyView on Github →
2018-12-24 20:12
data/set/basic.lean
feat(analysis/topology): miscellaneous topology (#484) …
Added set.univ_ne_emptyView on Github →