principal ultrafilter

noun

Definitions

  1. An ultrafilter such that every set belonging to it is the superset of some fixed…

    An ultrafilter such that every set belonging to it is the superset of some fixed singleton set.

The neighborhood

Vish — recursive loop

No curated loop yet for principal ultrafilter. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA