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Theorem Set.subset_iff

Modification history

2022-07-19 07:03

src/set_theory/zfc.lean

feat(set_theory/zfc): `Ø ⊆ x` (#15223)

Modified Set.subset_iff View on Github →

2022-07-17 06:40

src/set_theory/zfc.lean

chore(set_theory/zfc): general cleanup (#15208) …

Modified Set.subset_iff View on Github →

2018-01-11 23:22

set_theory/zfc.lean

doc(*): blurbs galore …

Modified Set.subset_iff View on Github →

2017-07-23 15:16

theories/set_theory.lean

refactor(*): import content from lean/library/data and library_dev

Added Set.subset_iff View on Github →