Cobounded filter on a regular cardinal
= Cobounded filter on a regular cardinal
The cobounded filter on a regular cardinal $\kappa$ consists of sets whose complements have cardinality below $\kappa$. Regularity makes it $\kappa$-complete.
= Cobounded filter on a regular cardinal
The cobounded filter on a regular cardinal $\kappa$ consists of sets whose complements have cardinality below $\kappa$. Regularity makes it $\kappa$-complete.