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

<b>let </b><font color="Maroon">c<sub>1</sub></font> be  non <a href="struct_0.html#V3">empty</a>  <a href="pre_topc.html#L1">TopStruct</a> ;<br/><b>let </b><font color="Maroon">c<sub>2</sub></font> be   <a href="pre_topc.html#NM2">Point</a> of <font color="Maroon">c<sub>1</sub></font>;<br/>



<a NAME="E1:27"/><i><font color="Green">E17</font></i>: 
( <span class="p1"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>2</sub></font></span><a href="domain_1.html#K6">}</a></span> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a>  <a href="xboole_0.html#K1">{}</a>  &amp; <span class="p1"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>2</sub></font></span><a href="domain_1.html#K6">}</a></span> <a href="hidden.html#R1">=</a>  <a href="setfam_1.html#K6">meet</a> <span class="p1">(<span class="default"><a href="tex_4.html#K1" target="_self">MaxADSF</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> )
 
<b>by </b><i><a class="ref" href="tex_4.html#T13" target="_self">Th13</a></i>;<br/>
<a NAME="E2:27"/>
 <a href="tex_4.html#K1" target="_self">MaxADSF</a> <font color="Maroon">c<sub>2</sub></font> is <a href="tex_4.html#V2" target="_self">anti-discrete-set-family</a>
 
<b>by </b><i><a class="ref" href="tex_4.html#T12" target="_self">Th12</a></i>;<br/>
<b>hence </b><a NAME="E3:27"/>
 <a href="setfam_1.html#K5">union</a> <span class="p1">(<span class="default"><a href="tex_4.html#K1" target="_self">MaxADSF</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> is <a href="tex_4.html#V1" target="_self">anti-discrete</a>
 <b>by </b><i><a class="txt" href="tex_4.html#E1:27"><i><font color="Green">E17</font></i></a>, <a class="ref" href="tex_4.html#T10" target="_self">Th10</a></i>;<br/>


</div>
