Empty Set

Author

Eric W. Weisstein
January 2, 2008

This notebook downloaded from http://mathworld.wolfram.com/notebooks/SetTheory/EmptySet.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/EmptySet.html.

©2007 Wolfram Research, Inc. except for portions noted otherwise

Empty Set

FullForm/@{∅,⌀}

Intersection[{1},{2}]