Theorem Ordinal.zero_sub

Modification history

2025-11-28 15:51
Mathlib/SetTheory/Ordinal/Arithmetic.lean
refactor(SetTheory/Ordinal): use generic order lemmas (#31883) …
Modified Ordinal.zero_subView on Github →
2023-02-16 08:59
Mathlib/SetTheory/Ordinal/Arithmetic.lean
feat: port SetTheory.Ordinal.Arithmetic (#2271)
Added Ordinal.zero_subView on Github →