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Theorem set.subset_iff_inter_eq_left

Modification history

2021-04-06 18:32
src/data/set/basic.lean
feat(data/basic/lean): add lemmas finset.subset_iff_inter_eq_{left, right} (#7053) …
Deleted set.subset_iff_inter_eq_leftView on Github →
2021-01-27 18:19
src/data/set/basic.lean
refactor(data/set/basic): simpler proofs (#5920) …
Added set.subset_iff_inter_eq_leftView on Github →