Ordinal partition bound
= Ordinal partition bound
If an ordinal is partitioned into two copies of type $\beta$, its type is below $\beta+\beta+\beta$; two copies do not always give a strict bound.
= Ordinal partition bound
If an ordinal is partitioned into two copies of type $\beta$, its type is below $\beta+\beta+\beta$; two copies do not always give a strict bound.