Mathlib v3 is deprecated. Go to Mathlib v4

Theorem set.countable.union

Modification history

2022-07-25 19:35

src/data/set/countable.lean

feat(data/set/countable): add `iff` versions of some lemmas (#15671)

Modified set.countable.union View on Github →

2021-02-28 07:50

src/data/set/countable.lean

chore(*): more line lengths (#6472)

Modified set.countable.union View on Github →

2020-05-06 22:41

src/data/set/countable.lean

chore(data/set/countable): use dot syntax here and there (#2617) …

Added set.countable.union View on Github →