free ultrafilter
Noun
Meaning
free ultrafilter (plural free ultrafilters)
(mathematical analysis, especially nonstandard analysis) An ultrafilter which contains all cofinite subsets of the set which is being "filtered" by it.
Noun
free ultrafilter (plural free ultrafilters)
(mathematical analysis, especially nonstandard analysis) An ultrafilter which contains all cofinite subsets of the set which is being "filtered" by it.