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Ordinal.aleph0_le_cof
Modification history
2025-07-11 17:39
Mathlib/SetTheory/Cardinal/Cofinality.lean
refactor(SetTheory/Ordinal/Arithmetic): `Ordinal.IsLimit` → `Order.IsSuccLimit` (#26643) …
Modified
Ordinal.aleph0_le_cof
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2023-02-24 13:27
Mathlib/SetTheory/Cardinal/Cofinality.lean
feat port: SetTheory.Cardinal.Cofinality (#2479)
Added
Ordinal.aleph0_le_cof
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