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Like all sufficiently strong mathematical theories, set theory is incomplete, as shown by [[Kurt Godel]].  However, set theory is the received axiomatization of mathematics today, with subjects like analysis, [[algebra]], topology, and [[geometry]] using set theory and its language for their own foundation.
 
Like all sufficiently strong mathematical theories, set theory is incomplete, as shown by [[Kurt Godel]].  However, set theory is the received axiomatization of mathematics today, with subjects like analysis, [[algebra]], topology, and [[geometry]] using set theory and its language for their own foundation.
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==The Empty Set==
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The empty set is the set with no members.  Because sets are uniquely defined by membership, the empty set is unique.  The empty set is usually denoted by {} or ∅.
    
==References==
 
==References==

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