Commit 2021-04-06 18:32 9b4f0cf8
View on Github →feat(data/basic/lean): add lemmas finset.subset_iff_inter_eq_{left, right} (#7053)
These lemmas are the analogues of set.subset_iff_inter_eq_{left, right}, except stated for finsets.
Zulip:
https://leanprover.zulipchat.com/#narrow/stream/217875-Is-there.20code.20for.20X.3F/topic/finset.2Esubset_iff_inter_eq_left.20.2F.20right