Infinitely often and almost always
Let be a sequence of events in some sample space .
| perspective | infinitely often | almost always |
|---|---|---|
| unions and intersections | ||
| first-order quantifiers | ||
| verbal expression | for infinitely many | for almost all , i.e. for all but finitely many , i.e. for finitely many |
| lim sup/lim inf | ||
| limit of sup/inf |