Difference between revisions of "Class"

(New page: In set theory, a class refers to a set made up of other sets. For example, if <math>A=\{a,b,c\}</math> is a set, then <math>\mathscr{A}=\{\{a\},\{b\},\{b,c\}\}</math> is a class ma...)
(No difference)

Revision as of 23:29, 10 June 2008

In set theory, a class refers to a set made up of other sets. For example, if $A=\{a,b,c\}$ is a set, then $\mathscr{A}=\{\{a\},\{b\},\{b,c\}\}$ (Error compiling LaTeX. Unknown error_msg) is a class made up of some of the subsets of $A$.

This article is a stub. Help us out by expanding it.