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Theorem finset.sdiff_subset_self

Modification history

2021-04-06 01:49
src/data/finset/basic.lean
refactor(order/boolean_algebra): generalized Boolean algebras (#6775) …
Deleted finset.sdiff_subset_selfView on Github →
2020-03-07 21:37
src/data/finset.lean
feat(data/fin_enum): `fin_enum` class for finite types with an enumeration order (#1368) …
Added finset.sdiff_subset_selfView on Github →