← Back to search

Meaning of Helly family | Babel Free

Noun CEFR B2

Definitions

A family of order k of sets, such that any minimal subfamily with an empty intersection has k or fewer sets in it.

CEFR level

B2

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

See also

Helly-Bray theorem Helly's selection theorem Helly's theorem Hellyer hellyerite Helm