<?xml version="1.0" encoding="UTF-8"?>

<record version="1" id="11490">
 <title>operations with events</title>
 <name>OperationsWithEvents</name>
 <created>2009-01-11 22:22:35</created>
 <modified>2009-01-11 22:22:35</modified>
 <type>Derivation</type>
<parent id="3704">random event</parent>
 <creator id="3475" name="polarbear"/>
 <author id="3475" name="polarbear"/>
 <classification>
	<category scheme="msc" code="60A05"/>
 </classification>
 <defines>
	<concept>mutually exclusive events</concept>
 </defines>
 <preamble>% this is the default PlanetMath preamble.  as your knowledge
% of TeX increases, you will probably want to edit this, but
% it should be fine as is for beginners.

% almost certainly you want these
\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{amsfonts}

% used for TeXing text within eps files
%\usepackage{psfrag}
% need this for including graphics (\includegraphics)
%\usepackage{graphicx}
% for neatly defining theorems and propositions
%\usepackage{amsthm}
% making logically defined graphics
%\usepackage{xypic}

% there are many more packages, add them here as you need them

% define commands here
</preamble>
 <content>Two events E and F are disjoint or mutually exclusive iff their intersection is empty:\newline
$E\cap F=EF=\emptyset$

</content>
</record>
