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Theorem set.nonempty.of_ssubset'

Modification history

2020-02-02 10:49
src/data/set/basic.lean
feat(data/set/basic): define `set.subsingleton` (#1939) …
Deleted set.nonempty.of_ssubset'View on Github →
2019-12-05 01:31
src/data/set/basic.lean
feat(data/set/basic): define `set.nonempty` (#1779) …
Added set.nonempty.of_ssubset'View on Github →