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<b>let </b><font color="Maroon">A</font> be   <a href="ordinal1.html#NM2">Ordinal</a>;<br/>

<a NAME="E1:75"/>
( <font color="Maroon">A</font> <a href="hidden.html#R1">=</a> <font color="Maroon">A</font> <a href="ordinal2.html#K11">*^</a> 1 &amp; <font color="Maroon">A</font> <a href="hidden.html#R1">=</a> <font color="Maroon">A</font> <a href="ordinal2.html#K10">+^</a> <a href="xboole_0.html#K1">{}</a>  &amp;  <a href="xboole_0.html#K1">{}</a>  <a href="hidden.html#R2">in</a> 1 )
 
<b>by </b><i>, <a class="ref" href="ordinal2.html#T44">ORDINAL2:44</a>, <a class="ref" href="ordinal2.html#T56">ORDINAL2:56</a></i>;<br/>
<b>hence </b><a NAME="E2:75"/>
<font color="Maroon">A</font> <a href="ordinal3.html#K6" target="_self">div^</a> 1 <a href="hidden.html#R1">=</a> <font color="Maroon">A</font>
 <b>by </b><i/>;<br/>

<b>hence </b><font color="Maroon">A</font> <a href="ordinal3.html#K7" target="_self">mod^</a> 1 = 
<font color="Maroon">A</font> <a href="ordinal3.html#K5" target="_self">-^</a> <font color="Maroon">A</font>
<b>by </b><i><a class="ref" href="ordinal2.html#T56">ORDINAL2:56</a></i>
<br/>.= 
 <a href="xboole_0.html#K1">{}</a> 
<b>by </b><i/>
;<br/><br/>


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