Singleton set: Difference between revisions

Latest revision as of 12:58, 7 February 2009

Citable Version ^[?]

This editable Main Article is under development and subject to a disclaimer.

[edit intro]

In set theory, a singleton is a set with exactly one element:

\{a\}.\,

We have

x\in \{a\}\Leftrightarrow x=a.\,

Revision as of 08:04, 23 November 2008 (view source) imported>Richard Pinch m (Singleton moved to Singleton set: more precise title, someone may write a Bridge article one day) ← Older edit		Latest revision as of 12:58, 7 February 2009 (view source) imported>Bruce M. Tindall mNo edit summary
Line 1:		Line 1:
			{{subpages}}
	In [[set theory]], a '''singleton''' is a [[set (mathematics)\|set]] with exactly one element:		In [[set theory]], a '''singleton''' is a [[set (mathematics)\|set]] with exactly one element: