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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">p</font> be   <a href="newton.html#NM1">Prime</a>;<br/><b>let </b><font color="Maroon">a</font> be   <a href="newton.html#NM1">Prime</a>;<br/>





<b>assume </b><a NAME="E1:11"/><i><font color="Green">E41</font></i>: 
<font color="Maroon">a</font> <a href="nat_1.html#R1">divides</a> <font color="Maroon">p</font> <a href="newton.html#K3">|^</a> <font color="Maroon">b</font>
 ;<br/>

<a NAME="E2:11"/><i><font color="Green">E43</font></i>: 
<font color="Maroon">a</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> 1
 
<b>by </b><i><a class="ref" href="int_2.html#D5">INT_2:def 5</a></i>;<br/>
<a NAME="E3:11"/>
<font color="Maroon">a</font> <a href="nat_1.html#R1">divides</a> <font color="Maroon">p</font>
 
<b>by </b><i>, </i>;<br/>
<b>hence </b><a NAME="E4:11"/>
<font color="Maroon">a</font> <a href="hidden.html#R1">=</a> <font color="Maroon">p</font>
 <b>by </b><i>, <a class="ref" href="int_2.html#D5">INT_2:def 5</a></i>;<br/>


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