closure system

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|mathematics|group theory}} A [[collection]] of [[subset]]s of a [[large]]r [[set]] that is [[closed]] under [[arbitrary]] [[intersection]]s and [[contain]]s the [[entire]] [[set]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.