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Theorem cardinal.le_one_iff_subsingleton

Modification history

2021-09-18 02:27

src/set_theory/cardinal.lean

chore(set_theory/cardinal): use notation `#`, add notation `ω` (#9217) …

Modified cardinal.le_one_iff_subsingleton View on Github →

2017-12-19 04:59

data/cardinal.lean

feat(data/ordinal): sup, cofinality, subtraction

Added cardinal.le_one_iff_subsingleton View on Github →