Source: wikibot/field-of-sets
= Field of sets
{wiki=Field_of_sets}
In mathematics, particularly in set theory, a **field of sets** (also known as a **system of sets**) is a collection of sets that is closed under certain operations. Specifically, a field of sets must satisfy the following properties: 1. **Contains the Universal Set**: The collection contains the universal set (the set containing all elements under consideration).