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Theorem set.exists_mem_of_ne_empty

Modification history

2020-02-05 06:25
src/data/set/basic.lean
refactor(*): migrate from `≠ ∅` to `set.nonempty` (#1954) …
Deleted set.exists_mem_of_ne_emptyView on Github →
2018-04-01 22:10
data/set/basic.lean
feat(data/set/basic): add some more set lemmas
Modified set.exists_mem_of_ne_emptyView on Github →
2017-07-23 18:07
data/set/basic.lean
refactor(algebra/lattice): use *experiment files, move set.lattice to .basic
Modified set.exists_mem_of_ne_emptyView on Github →
2017-07-23 15:16
data/set/lattice.lean
refactor(*): import content from lean/library/data and library_dev
Added set.exists_mem_of_ne_emptyView on Github →