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Theorem set.Union_empty

Modification history

2021-08-11 02:38
src/data/set/lattice.lean
docs(data/set/lattice): add module docstring (#8250) …
Modified set.Union_emptyView on Github →
2021-01-09 12:23
src/data/set/lattice.lean
chore(data/set/lattice): add a few simp lemmas (#5671)
Modified set.Union_emptyView on Github →
2017-09-28 18:07
data/set/lattice.lean
feat(topology): add Borel spaces
Added set.Union_emptyView on Github →
2017-09-22 12:52
data/set/lattice.lean
feat(data/set): add functions over sets
Deleted set.Union_emptyView on Github →
2017-09-22 12:31
data/set/lattice.lean
feat(topology/topological_space): add countablility and separability axioms for topological spaces
Added set.Union_emptyView on Github →