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Theorem set.empty_not_nonempty

Modification history

2022-11-07 03:20
src/data/set/basic.lean
chore(data/set/basic): Make `set.nonempty.ne_empty` an alias (#17382) …
Deleted set.empty_not_nonemptyView on Github →
2021-01-27 18:19
src/data/set/basic.lean
refactor(data/set/basic): simpler proofs (#5920) …
Modified set.empty_not_nonemptyView on Github →
2020-02-05 06:25
src/data/set/basic.lean
refactor(*): migrate from `≠ ∅` to `set.nonempty` (#1954) …
Added set.empty_not_nonemptyView on Github →