Theorem Ordinal.cof_add

Modification history

2026-04-07 10:05
Mathlib/SetTheory/Cardinal/Cofinality.lean
feat(SetTheory/Cardinal/Cofinality): cof (a * b) = cof b (#37022) …
Modified Ordinal.cof_addView on Github →
2023-02-24 13:27
Mathlib/SetTheory/Cardinal/Cofinality.lean
feat port: SetTheory.Cardinal.Cofinality (#2479)
Added Ordinal.cof_addView on Github →