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<b>reconsider </b><font color="Maroon" title="c2">sE</font> = <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><font color="Maroon" title="c1">E</font></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span> as   <a href="setfam_1.html#NM1" title="SETFAM_1:NM.1">Subset-Family</a> of <font color="Maroon" title="c1">E</font> <b>by </b><i><a class="ref" href="zfmisc_1.html#T80" title="ZFMISC_1:th.80">ZFMISC_1:80</a></i>;<br/>
<b>take </b>
<font color="Maroon" title="c2">sE</font>
;<br/>

<b>thus </b><a NAME="E2:29_1_1"/>
( not <font color="Maroon" title="c2">sE</font> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> &amp; <font color="Maroon" title="c2">sE</font> is <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a> )
 ;<br/>

<a NAME="E3:29_1_1"/>
 <a href="setfam_1.html#K5" title="SETFAM_1:func.5">union</a> <font color="Maroon" title="c2">sE</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">E</font>
 
<b>by </b><i><a class="ref" href="zfmisc_1.html#T31" title="ZFMISC_1:th.31">ZFMISC_1:31</a></i>;<br/>
<b>hence </b><a NAME="E4:29_1_1"/>
<font color="Maroon" title="c2">sE</font> is <a href="abian.html#V2" title="ABIAN:attr.2">covering</a>
 <b>by </b><i><a class="ref" href="abian.html#T4" target="_self" title="ABIAN:th.4">Th4</a></i>;<br/>


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