Empty set/Definition: Difference between revisions

From Citizendium
Jump to navigation Jump to search
imported>Chris Day
No edit summary
imported>Chris Day
No edit summary
 
Line 1: Line 1:
{{subpages}}
<noinclude>{{subpages}}</noinclude>
In set theory, this is a set without elements, usually denoted <math>\{~\}</math> or <math>\empty</math>.  The empty set is a [[subset]] of any set.
In set theory, this is a set without elements, usually denoted <math>\{~\}</math> or <math>\empty</math>.  The empty set is a [[subset]] of any set.

Latest revision as of 00:06, 19 February 2009

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.


Empty set [r]: In set theory, this is a set without elements, usually denoted or . The empty set is a subset of any set.