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<b>let </b><font color="Maroon">p</font> be   <a href="pre_topc.html#NM2">Point</a> of <span class="p1">(<span class="default"><a href="euclid.html#K15">TOP-REAL</a> 3</span>)</span>;<br/>

<b>consider </b><font color="Maroon">x</font> being   <a href="real_1.html#NM1">Real</a>, <font color="Maroon">y</font> being   <a href="real_1.html#NM1">Real</a>, <font color="Maroon">z</font> being   <a href="real_1.html#NM1">Real</a><b> such that </b><br/><a NAME="E2:5"/><i><font color="Green">E34</font></i>: 
<font color="Maroon">p</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="finseq_4.html#K3">&lt;*</a><span class="default"><font color="Maroon">x</font>,<font color="Maroon">y</font>,<font color="Maroon">z</font></span><a href="finseq_4.html#K3">*&gt;</a></span>
 <b>by </b><i/>;<br/>
<b>reconsider </b><font color="Maroon">f</font> = <font color="Maroon">p</font> as   <a href="finseq_1.html#NM1">FinSequence</a> <b>by </b><i><a class="ref" href="euclid.html#T27">EUCLID:27</a></i>;<br/>
<i><font color="Green">E35</font></i>: <font color="Maroon">p</font> <a href="euclid_5.html#K1" target="_self">`1</a>  = 
<font color="Maroon">f</font> <a href="funct_1.html#K1">.</a> 1
<b>by </b><i/>
<br/>.= 
<font color="Maroon">x</font>
<b>by </b><i>, <a class="ref" href="finseq_1.html#T62">FINSEQ_1:62</a></i>
;<br/>
<i><font color="Green">E37</font></i>: <font color="Maroon">p</font> <a href="euclid_5.html#K2" target="_self">`2</a>  = 
<font color="Maroon">f</font> <a href="funct_1.html#K1">.</a> 2
<b>by </b><i/>
<br/>.= 
<font color="Maroon">y</font>
<b>by </b><i>, <a class="ref" href="finseq_1.html#T62">FINSEQ_1:62</a></i>
;<br/>
<font color="Maroon">p</font> <a href="euclid_5.html#K3" target="_self">`3</a>  = 
<font color="Maroon">f</font> <a href="funct_1.html#K1">.</a> 3
<b>by </b><i/>
<br/>.= 
<font color="Maroon">z</font>
<b>by </b><i>, <a class="ref" href="finseq_1.html#T62">FINSEQ_1:62</a></i>
;<br/>
<b>hence </b><a NAME="E7:5"/>
<font color="Maroon">p</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="euclid_5.html#K4" target="_self">|[</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon">p</font> <a href="euclid_5.html#K1" target="_self">`1</a> </span>)</span>,<span class="p2">(<span class="default"><font color="Maroon">p</font> <a href="euclid_5.html#K2" target="_self">`2</a> </span>)</span>,<span class="p2">(<span class="default"><font color="Maroon">p</font> <a href="euclid_5.html#K3" target="_self">`3</a> </span>)</span></span><a href="euclid_5.html#K4" target="_self">]|</a></span>
 <b>by </b><i>, , </i>;<br/>


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