Theorem Ordinal.mul_ne_zero

Modification history

2025-09-06 05:41
Mathlib/SetTheory/Ordinal/Arithmetic.lean
feat: `PosMulStrictMono Ordinal` (#28943) …
Deleted Ordinal.mul_ne_zeroView on Github →
2023-02-16 08:59
Mathlib/SetTheory/Ordinal/Arithmetic.lean
feat: port SetTheory.Ordinal.Arithmetic (#2271)
Added Ordinal.mul_ne_zeroView on Github →