Shuffle bound for ordinal partitions
= Shuffle bound for ordinal partitions
If a well-order is the union of suborders of types $\xi$ and $\eta$, its type is at most $\xi\mathbin\#\eta$.
= Shuffle bound for ordinal partitions
If a well-order is the union of suborders of types $\xi$ and $\eta$, its type is at most $\xi\mathbin\#\eta$.