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<b>let </b><font color="Maroon">Omega</font> be  non <a href="xboole_0.html#V1">empty</a>  <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">Sigma</font> be   <a href="prob_1.html#NM3">SigmaField</a> of <font color="Maroon">Omega</font>;<br/><b>let </b><font color="Maroon">A</font> be    <a href="prob_1.html#M2" target="_self">Event</a> of <font color="Maroon">Sigma</font>;<br/><b>let </b><font color="Maroon">P</font> be    <a href="prob_1.html#M3" target="_self">Probability</a> of <font color="Maroon">Sigma</font>;<br/>







<a NAME="E1:61"/><i><font color="Green">E33</font></i>: 
<font color="Maroon">P</font> <a href="prob_1.html#K10" target="_self">.</a> <span class="p1">(<span class="default"><a href="prob_1.html#K5" target="_self">[#]</a> <font color="Maroon">Sigma</font></span>)</span> <a href="hidden.html#R1">=</a> 1
 
<b>by </b><i><a class="txt" href="prob_1.html#E1:61"><i><font color="Green">E33</font></i></a></i>;<br/>
<b>thus </b><a NAME="E2:61"/>
<font color="Maroon">P</font> <a href="prob_1.html#K10" target="_self">.</a> <font color="Maroon">A</font> <a href="xxreal_0.html#R1">&lt;=</a> 1
 <b>by </b><i>, </i>;<br/>


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