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<b>let </b><font color="Maroon">x</font> be    <a href="pboole.html#M4">ManySortedSubset</a> of <font color="Maroon">A</font>;<br/>

<b>reconsider </b><font color="Maroon">x'</font> = <font color="Maroon">x</font> as    <a href="pboole.html#M1">ManySortedSet</a> of <font color="Maroon">I</font> ;<br/>
<a NAME="E2:24_1_1"/>
<font color="Maroon">x'</font> <a href="pboole.html#R2">c=</a> <font color="Maroon">A</font>
 
<b>by </b><i><a class="ref" href="pboole.html#D23">PBOOLE:def 23</a></i>;<br/>
<b>hence </b><a NAME="E3:24_1_1"/>
<font color="Maroon">x</font> is <a href="finset_1.html#V2">locally-finite</a>
 <b>by </b><i/>;<br/>


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