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

<b>let </b><font color="Maroon">I</font> be    <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">X</font> be    <a href="pboole.html#M1" target="_self">ManySortedSet</a> of <font color="Maroon">I</font>;<br/><b>let </b><font color="Maroon">Y</font> be    <a href="pboole.html#M1" target="_self">ManySortedSet</a> of <font color="Maroon">I</font>;<br/><b>let </b><font color="Maroon">Z</font> be    <a href="pboole.html#M1" target="_self">ManySortedSet</a> of <font color="Maroon">I</font>;<br/>







<a NAME="E1:109"/>
<font color="Maroon">Y</font> <a href="pboole.html#K4" target="_self">\</a> <font color="Maroon">Z</font> <a href="pboole.html#R2" target="_self">c=</a> <font color="Maroon">Y</font>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:109"/>
( <font color="Maroon">X</font> <a href="pboole.html#R4" target="_self">overlaps</a> <font color="Maroon">Y</font> <a href="pboole.html#K4" target="_self">\</a> <font color="Maroon">Z</font> implies <font color="Maroon">X</font> <a href="pboole.html#R4" target="_self">overlaps</a> <font color="Maroon">Y</font> )
 <b>by </b><i><a class="ref" href="pboole.html#T4" target="_self">Th4</a></i>;<br/>


</div>
