Theorem Cardinal.isNormal_preBeth

Modification history

2025-08-20 18:51
Mathlib/SetTheory/Cardinal/Aleph.lean
feat: `aleph` and `beth` are normal functions (#27015) …
Modified Cardinal.isNormal_preBethView on Github →
2025-07-25 18:35
Mathlib/SetTheory/Cardinal/Aleph.lean
refactor(SetTheory/Ordinal/Arithmetic): redefine `Ordinal.IsNormal` as `Order.IsNormal` (#26900) …
Modified Cardinal.isNormal_preBethView on Github →
2025-03-04 18:52
Mathlib/SetTheory/Cardinal/Aleph.lean
feat(SetTheory/Cardinal/Aleph): introduce pre-beth function (#20749) …
Added Cardinal.isNormal_preBethView on Github →