Theorem Ordinal.deriv_isNormal

Modification history

2024-10-14 09:30
Mathlib/SetTheory/Ordinal/FixedPoint.lean
chore(SetTheory/Ordinal/Arithmetic): `sub_isNormal` → `isNormal_sub`, etc. (#17673) …
Deleted Ordinal.deriv_isNormalView on Github →
2023-02-21 15:14
Mathlib/SetTheory/Ordinal/FixedPoint.lean
feat: port SetTheory.Ordinal.FixedPoint (#2416)
Added Ordinal.deriv_isNormalView on Github →