Mathlib v3 is deprecated. Go to Mathlib v4

Theorem set.countable_bUnion

Modification history

2020-05-06 22:41
src/data/set/countable.lean
chore(data/set/countable): use dot syntax here and there (#2617) …
Deleted set.countable_bUnionView on Github →
2017-09-28 18:08
data/set/countable.lean
feat(topology): add Lebesgue measure
Added set.countable_bUnionView on Github →