Associations to the word «Ultrafilter»

Wiktionary

ULTRAFILTER, noun. (mathematics) (of a set, whose subsets are partially ordered by inclusion) A proper filter which has a law of dichotomy for complements.
ULTRAFILTER, noun. (mathematics) (order theory) A filter (subset of a poset) that is maximal as a set with respect to the definition of proper .

Wise words

In words are seen the state of mind and character and disposition of the speaker.
Plutarch