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<b>let </b><font color="Maroon">x</font> be   <a href="real_1.html#NM1">Real</a>;<br/>

<b>assume </b><a NAME="E1:12"/><i><font color="Green">E31</font></i>: 
<font color="Maroon">x</font> <a href="hidden.html#R2">in</a>  <a href="urysohn1.html#K2">DYADIC</a> 
 ;<br/>

<b>let </b><font color="Maroon">n</font> be    <a href="subset_1.html#M2">Element</a> of  <a href="numbers.html#K5">NAT</a> ;<br/>

<b>assume </b><a NAME="E2:12"/><i><font color="Green">E33</font></i>: 
 <a href="urysohn3.html#K2" target="_self">inf_number_dyadic</a> <font color="Maroon">x</font> <a href="xxreal_0.html#R1">&lt;=</a> <font color="Maroon">n</font>
 ;<br/>

<a NAME="E3:12"/><i><font color="Green">E34</font></i>: 
<font color="Maroon">x</font> <a href="hidden.html#R2">in</a>  <a href="urysohn1.html#K1">dyadic</a> <span class="p1">(<span class="default"><a href="urysohn3.html#K2" target="_self">inf_number_dyadic</a> <font color="Maroon">x</font></span>)</span>
 
<b>by </b><i>, </i>;<br/>
<a NAME="E4:12"/>
 <a href="urysohn1.html#K1">dyadic</a> <span class="p1">(<span class="default"><a href="urysohn3.html#K2" target="_self">inf_number_dyadic</a> <font color="Maroon">x</font></span>)</span> <a href="tarski.html#R1">c=</a>  <a href="urysohn1.html#K1">dyadic</a> <font color="Maroon">n</font>
 
<b>by </b><i>, <a class="ref" href="urysohn2.html#T33">URYSOHN2:33</a></i>;<br/>
<b>hence </b><a NAME="E5:12"/>
<font color="Maroon">x</font> <a href="hidden.html#R2">in</a>  <a href="urysohn1.html#K1">dyadic</a> <font color="Maroon">n</font>
 <b>by </b><i/>;<br/>


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