Theorem Ordinal.IsNormal.le_set'

Modification history

2025-12-26 17:05
Mathlib/SetTheory/Ordinal/Arithmetic.lean
refactor: deprecate `Ordinal.IsNormal` for `Order.IsNormal` (#33294)
Modified Ordinal.IsNormal.le_set'View on Github →
2023-02-16 08:59
Mathlib/SetTheory/Ordinal/Arithmetic.lean
feat: port SetTheory.Ordinal.Arithmetic (#2271)
Added Ordinal.IsNormal.le_set'View on Github →