Theorem Ordinal.aleph_cof

Modification history

2024-11-01 19:53
Mathlib/SetTheory/Cardinal/Cofinality.lean
feat(SetTheory/Cardinal/Aleph): simpler definition of `aleph` (#17674) …
Modified Ordinal.aleph_cofView on Github →
2024-10-22 15:31
Mathlib/SetTheory/Cardinal/Cofinality.lean
chore: use new `ℵ_` and `ℶ_` notation (#18066)
Modified Ordinal.aleph_cofView on Github →
2023-02-24 13:27
Mathlib/SetTheory/Cardinal/Cofinality.lean
feat port: SetTheory.Cardinal.Cofinality (#2479)
Added Ordinal.aleph_cofView on Github →