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Theorem finset.ssubset_iff_exists_insert_subset

Modification history

2022-06-08 07:33
src/data/finset/basic.lean
chore(data/finset): remove duplicated lemma (#14607) …
Deleted finset.ssubset_iff_exists_insert_subsetView on Github →
2022-03-01 17:25
src/data/finset/basic.lean
feat(combinatorics/set_family/lym): Lubell-Yamamoto-Meshalkin inequalities (#11248) …
Added finset.ssubset_iff_exists_insert_subsetView on Github →