<?xml version="1.0"?>
<div class="add">

<b>let </b><font color="Maroon">c<sub>1</sub></font> be    <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">c<sub>2</sub></font> be   <a href="prob_1.html#NM3">SigmaField</a> of <font color="Maroon">c<sub>1</sub></font>;<br/><b>let </b><font color="Maroon">c<sub>3</sub></font> be    <a href="measure2.html#M1" target="_self">N_Measure_fam</a> of <font color="Maroon">c<sub>2</sub></font>;<br/>





<a NAME="E1:3"/>
<font color="Maroon">c<sub>3</sub></font> <a href="tarski.html#R1">c=</a> <font color="Maroon">c<sub>2</sub></font>
 
<b>by </b><i><a class="ref" href="measure2.html#D1" target="_self">Def1</a></i>;<br/>
<b>hence </b><a NAME="E2:3"/>
(  <a href="setfam_1.html#K6">meet</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a> <font color="Maroon">c<sub>2</sub></font> &amp;  <a href="setfam_1.html#K5">union</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a> <font color="Maroon">c<sub>2</sub></font> )
 <b>by </b><i><a class="ref" href="measure1.html#T49">MEASURE1:49</a>, <a class="ref" href="measure1.html#D9">MEASURE1:def 9</a></i>;<br/>


</div>
