Theorem Cardinal.isNormal_beth

Modification history

2025-08-20 18:51
Mathlib/SetTheory/Cardinal/Aleph.lean
feat: `aleph` and `beth` are normal functions (#27015) …
Modified Cardinal.isNormal_bethView 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_bethView on Github →
2025-03-04 18:52
Mathlib/SetTheory/Cardinal/Aleph.lean
feat(SetTheory/Cardinal/Aleph): introduce pre-beth function (#20749) …
Modified Cardinal.isNormal_bethView on Github →
2024-10-14 09:30
Mathlib/SetTheory/Cardinal/Aleph.lean
chore(SetTheory/Ordinal/Arithmetic): `sub_isNormal` → `isNormal_sub`, etc. (#17673) …
Added Cardinal.isNormal_bethView on Github →