Difference between revisions of "Empty set"
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| − | The ''' | + | The '''Empty Set''' (generally denoted <math>\emptyset</math> or <math>\varnothing</math>) is the (unique) [[set]] containing no elements. It is therefore a [[subset]] of every set.\\ |
| + | In Set Theory, this is the only set that we know exists. All other sets must be formed using the EmptySet and a series of axioms. Thus, in a sense, the Empty Set is the basis of all mathematics as we know it - the "nothing" from which everything is formed. | ||
{{stub}} | {{stub}} | ||
[[Category:Set theory]] | [[Category:Set theory]] | ||
Revision as of 04:03, 28 March 2011
The Empty Set (generally denoted 
or 
) is the (unique) set containing no elements. It is therefore a subset of every set.\\
In Set Theory, this is the only set that we know exists. All other sets must be formed using the EmptySet and a series of axioms. Thus, in a sense, the Empty Set is the basis of all mathematics as we know it - the "nothing" from which everything is formed.
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