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<a NAME="E1:37_1_1"/>
 <a href="relat_1.html#K1">dom</a> <span class="p1">(<span class="default"><font color="Maroon">p</font> <a href="ordinal4.html#K1">^</a> <font color="Maroon">q</font></span>)</span> <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><a href="afinsq_1.html#K2" target="_self">dom</a> <font color="Maroon">p</font></span>)</span> <a href="ordinal2.html#K10">+^</a> <span class="p1">(<span class="default"><a href="afinsq_1.html#K2" target="_self">dom</a> <font color="Maroon">q</font></span>)</span>
 
<b>by </b><i><a class="ref" href="ordinal4.html#D1">ORDINAL4:def 1</a></i>;<br/>
<a NAME="E2:37_1_1"/><b>then </b>
 <a href="relat_1.html#K1">dom</a> <span class="p1">(<span class="default"><font color="Maroon">p</font> <a href="ordinal4.html#K1">^</a> <font color="Maroon">q</font></span>)</span> is    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K5">NAT</a> 
 
<b>by </b><i><a class="ref" href="ordinal1.html#D13">ORDINAL1:def 13</a></i>;<br/>
<b>hence </b><a NAME="E3:37_1_1"/>
<font color="Maroon">p</font> <a href="ordinal4.html#K1">^</a> <font color="Maroon">q</font> is <a href="finset_1.html#V1">finite</a>
 <b>by </b><i/>;<br/>


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