principal ultrafilter
principal ultrafilter · principal ultrafilters
An ultrafilter such that every set belonging to it is the superset of some fixed…An ultrafilter such that every set belonging to it is the superset of some fixed singleton set.
Meaning
1 sensesAn ultrafilter such that every set belonging to it is the superset of some fixed singleton set.
Forms
plural: principal ultrafilters| Singular | principal ultrafilter |
|---|---|
| Plural | principal ultrafilters |
regular