Theorem Ordinal.out_nonempty_iff_ne_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_nonempty_iff_ne_zeroView on Github →
2023-02-13 06:43
Mathlib/SetTheory/Ordinal/Basic.lean
feat: port SetTheory.Ordinal.Basic (#2217) …
Added Ordinal.out_nonempty_iff_ne_zeroView on Github →