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Theorem ordinal.infinite_pigeonhole

Modification history

2022-06-05 07:36
src/set_theory/cardinal/cofinality.lean
refactor(set_theory/*): change `omega` to `aleph_0` + golf (#14467) …
Modified ordinal.infinite_pigeonholeView on Github →
2021-09-18 02:27
src/set_theory/cofinality.lean
chore(set_theory/cardinal): use notation `#`, add notation `ω` (#9217) …
Modified ordinal.infinite_pigeonholeView on Github →
2019-05-10 00:53
src/set_theory/cofinality.lean
feat(set_theory): add to cardinal, ordinal, cofinality (#963) …
Added ordinal.infinite_pigeonholeView on Github →