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<b>let </b><font color="Maroon">b</font> be  <a href="ordinal1.html#V7">natural</a>  <a href="ordinal1.html#NM1" target="_self">number</a> ;<br/><b>let </b><font color="Maroon">a</font> be  <a href="ordinal1.html#V7">natural</a>  <a href="ordinal1.html#NM1" target="_self">number</a> ;<br/>



<b>assume </b><b>that </b><br/><a NAME="E1:59"/><i><font color="Green">E41</font></i>: 
<font color="Maroon">b</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> 1
 <b>and </b><br/><a NAME="E2:59"/><i><font color="Green">E43</font></i>: 
<font color="Maroon">a</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> 0
 <b>and </b><br/><a NAME="E3:59"/><i><font color="Green">E47</font></i>: 
<font color="Maroon">b</font> <a href="nat_1.html#R1">divides</a> <font color="Maroon">b</font> <a href="newton.html#K2">|^</a> <span class="p1">(<span class="default"><font color="Maroon">b</font> <a href="nat_3.html#K11" target="_self">|-count</a> <font color="Maroon">a</font></span>)</span>
 ;<br/>

<a NAME="E4:59"/>
<font color="Maroon">b</font> <a href="newton.html#K2">|^</a> <span class="p1">(<span class="default"><font color="Maroon">b</font> <a href="nat_3.html#K11" target="_self">|-count</a> <font color="Maroon">a</font></span>)</span> <a href="nat_1.html#R1">divides</a> <font color="Maroon">a</font>
 
<b>by </b><i>, , </i>;<br/>
<b>hence </b><a NAME="E5:59"/>
<font color="Maroon">b</font> <a href="nat_1.html#R1">divides</a> <font color="Maroon">a</font>
 <b>by </b><i>, <a class="ref" href="nat_1.html#T51">NAT_1:51</a></i>;<br/>


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