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Meaning of free ultrafilter | Babel Free

Noun CEFR B2

Definitions

An ultrafilter which contains all cofinite subsets of the set which is being "filtered" by it.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

free university free use free variable free variation free verse free vote

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