Difference of two sets
From Encyclopedia of Mathematics
An operation on sets. Let 
and 
be two sets (where the second need not be contained in the first). Then the set of those elements of 
that are not elements of 
is called the difference of these sets.
The difference between two sets 
and 
is denoted by 
.
Comments
See also Symmetric difference of sets.
How to Cite This Entry:
Difference of two sets. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Difference_of_two_sets&oldid=31399
Difference of two sets. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Difference_of_two_sets&oldid=31399
This article was adapted from an original article by M.I. Voitsekhovskii (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article