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Theorem set.range_ne_empty

Modification history

2020-02-05 06:25

src/data/set/basic.lean

refactor(*): migrate from `≠ ∅` to `set.nonempty` (#1954) …

Deleted set.range_ne_empty View 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 View on Github →