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Theorem set.Union_pos

Modification history

2021-08-01 19:11
src/data/set/lattice.lean
refactor(data/set/lattice): add congr lemmas for `Prop`-indexed `Union` and `Inter` (#8260) …
Deleted set.Union_posView on Github →
2017-09-28 18:07
data/set/lattice.lean
feat(topology): add Borel spaces
Added set.Union_posView on Github →
2017-09-22 12:52
data/set/lattice.lean
feat(data/set): add functions over sets
Deleted set.Union_posView 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_posView on Github →