Mathlib Changelog
v3
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Mathlib v3 is deprecated.
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Theorem
ordinal.infinite_pigeonhole_card
Modification history
2021-09-18 02:27
src/set_theory/cofinality.lean
chore(set_theory/cardinal): use notation `#`, add notation `ω` (#9217) …
Modified
ordinal.infinite_pigeonhole_card
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2019-05-10 00:53
src/set_theory/cofinality.lean
feat(set_theory): add to cardinal, ordinal, cofinality (#963) …
Added
ordinal.infinite_pigeonhole_card
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