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Ordinal.omega0_lt_omega1
Modification history
2024-10-23 21:11
Mathlib/SetTheory/Cardinal/Aleph.lean
feat(SetTheory/Cardinal/Aleph): introduce `omega` function (#17669) …
Added
Ordinal.omega0_lt_omega1
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2024-10-11 12:40
Mathlib/SetTheory/Cardinal/Arithmetic.lean
chore(SetTheory/Cardinal/Ordinal): split file (#16990) …
Deleted
Ordinal.omega0_lt_omega1
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2024-10-03 10:05
Mathlib/SetTheory/Cardinal/Ordinal.lean
refactor(SetTheory/Ordinal/Basic): deprecate Ordinal.omega in favor of Ordinal.omega0 (#17158) …
Added
Ordinal.omega0_lt_omega1
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