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Theorem set.range_ne_empty_iff_nonempty

Modification history

2020-02-05 06:25
src/data/set/basic.lean
refactor(*): migrate from `≠ ∅` to `set.nonempty` (#1954) …
Deleted set.range_ne_empty_iff_nonemptyView on Github →
2019-11-18 14:10
src/data/set/basic.lean
chore(data/set): use `Sort*` in more lemmas (#1706) …
Added set.range_ne_empty_iff_nonemptyView on Github →