Theorem Ordinal.add_left_cancel

Modification history

2025-01-04 21:33
Mathlib/SetTheory/Ordinal/Arithmetic.lean
chore(SetTheory/Ordinal/Arithmetic): `IsLeftCancelAdd Ordinal` (#19888) …
Deleted Ordinal.add_left_cancelView on Github →
2023-02-16 08:59
Mathlib/SetTheory/Ordinal/Arithmetic.lean
feat: port SetTheory.Ordinal.Arithmetic (#2271)
Added Ordinal.add_left_cancelView on Github →