Theorem Ordinal.out_empty_iff_eq_zero

Modification history

2024-08-27 18:38

Mathlib/SetTheory/Ordinal/Basic.lean

chore(SetTheory/Ordinal/*): `o.out.α` → `o.toType` (#16161) …

Deleted Ordinal.out_empty_iff_eq_zero View on Github →

2023-02-13 06:43

Mathlib/SetTheory/Ordinal/Basic.lean

feat: port SetTheory.Ordinal.Basic (#2217) …

Added Ordinal.out_empty_iff_eq_zero View on Github →