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<b>let </b><font color="Maroon">f</font> be   <a href="struct_0.html#NM7">FinSequence</a> of <span class="p1">(<span class="default"><a href="euclid.html#K15">TOP-REAL</a> 2</span>)</span>;<br/><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> 2</span>)</span>;<br/>



<b>assume </b><b>that </b><br/><a NAME="E1:61"/><i><font color="Green">E35</font></i>: 
( <font color="Maroon">f</font> is <a href="jordan23.html#V1" target="_self">almost-one-to-one</a> &amp; <font color="Maroon">f</font> is <a href="topreal1.html#V1">special</a> &amp; <font color="Maroon">f</font> is <a href="topreal1.html#V2">unfolded</a> &amp; <font color="Maroon">f</font> is <a href="topreal1.html#V3">s.n.c.</a> )
 <b>and </b><br/><a NAME="E2:61"/><i><font color="Green">E45</font></i>: 
<font color="Maroon">p</font> <a href="hidden.html#R2">in</a>  <a href="topreal1.html#K5">L~</a> <font color="Maroon">f</font>
 <b>and </b><br/><a NAME="E3:61"/><i><font color="Green">E46</font></i>: 
<font color="Maroon">p</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Maroon">f</font> <a href="funct_1.html#K1">.</a> 1
 ;<br/>

<a NAME="E4:61"/>
 <a href="jordan3.html#K4">R_Cut</a> <font color="Maroon">f</font>,<font color="Maroon">p</font> <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><a href="jordan3.html#K1">mid</a> <font color="Maroon">f</font>,1,<span class="p2">(<span class="default"><a href="jordan3.html#K2">Index</a> <font color="Maroon">p</font>,<font color="Maroon">f</font></span>)</span></span>)</span> <a href="finseq_1.html#K8">^</a> <span class="p1"><a href="binarith.html#K11">&lt;*</a><span class="default"><font color="Maroon">p</font></span><a href="binarith.html#K11">*&gt;</a></span>
 
<b>by </b><i><a class="txt" href="jordan23.html#E1:61"><i><font color="Green">E35</font></i></a>, <a class="ref" href="jordan3.html#D5">JORDAN3:def 5</a></i>;<br/>
<b>hence </b><a NAME="E5:61"/>
 <a href="jordan3.html#K4">R_Cut</a> <font color="Maroon">f</font>,<font color="Maroon">p</font> <a href="jordan3.html#R1">is_S-Seq_joining</a> <font color="Maroon">f</font> <a href="finseq_4.html#K4">/.</a> 1,<font color="Maroon">p</font>
 <b>by </b><i>, , <a class="txt" href="jordan23.html#E1:61"><i><font color="Green">E35</font></i></a>, </i>;<br/>


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