Citizendium - a community developing a quality, comprehensive compendium of knowledge, online and free.
Click here to join and contribute
CZ thanks our previous donors. Donate here. Treasurer's Financial Report

Empty set

From Citizendium
Jump to: navigation, search
Empty set [r]: In set theory, this is a set without elements, usually denoted or . The empty set is a subset of any set. [e]

This article contains just a definition and optionally other subpages (such as a list of related articles), but no metadata. Create the metadata page if you want to expand this into a full article.