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Theorem cardinal.two_le_iff'

Modification history

2022-10-12 13:05
src/set_theory/cardinal/basic.lean
refactor(set_theory/cardinal): review API about `#α = 2`/`nat.card α = 2` (#16899) …
Modified cardinal.two_le_iff'View on Github →
2021-09-18 02:27
src/set_theory/cardinal.lean
chore(set_theory/cardinal): use notation `#`, add notation `ω` (#9217) …
Modified cardinal.two_le_iff'View on Github →
2019-05-10 00:53
src/set_theory/cardinal.lean
feat(set_theory): add to cardinal, ordinal, cofinality (#963) …
Added cardinal.two_le_iff'View on Github →