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Theorem set.Ioi_ne_empty

Modification history

2020-02-05 06:25
src/data/set/intervals/basic.lean
refactor(*): migrate from `≠ ∅` to `set.nonempty` (#1954) …
Deleted set.Ioi_ne_emptyView on Github →
2019-03-16 09:28
src/data/set/intervals.lean
feat(data/set/intervals): add missing intervals + some lemmas (#805) …
Added set.Ioi_ne_emptyView on Github →