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Theorem finset.union_subset_union

Modification history

2022-02-12 19:33
src/data/finset/basic.lean
chore(data/finset/basic): Golf and compress (#11987) …
Modified finset.union_subset_unionView on Github →
2021-04-30 00:14
src/data/finset/basic.lean
feat(finset/basic): fill in holes in the finset API (#7386) …
Modified finset.union_subset_unionView on Github →
2020-09-01 03:18
src/data/finset/basic.lean
feat(data/{finset,finsupp,multiset}): more assorted lemmas (#4006) …
Added finset.union_subset_unionView on Github →