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Topic:
Principal Filters
Replies:
4
Last Post:
Dec 4, 2013 3:18 AM




Principal Filters
Posted:
Dec 1, 2013 12:40 AM


If F is not a principal filter, is F an intersection of free ultrafilters?
If F is a principal ultrafilter generated by an infinite subset, . . is F an intersection of free ultrafilters?



