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v3
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Mathlib v3 is deprecated.
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Theorem
set.nontrivial.ne_empty
Modification history
2022-10-03 17:40
src/data/set/basic.lean
refactor(data/set/basic): review API of `set.nontrivial` (#16737) …
Deleted
set.nontrivial.ne_empty
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2022-08-16 13:24
src/data/set/basic.lean
feat(data/set/basic): Add `set.nontrivial` predicate and API (#15867) …
Added
set.nontrivial.ne_empty
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