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<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="struct_0.html#NM8">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">c<sub>2</sub></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/>



<a NAME="E1:35"/>
<font color="Maroon">c<sub>1</sub></font> <a href="finseq_5.html#K1">-:</a> <font color="Maroon">c<sub>2</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>1</sub></font> <a href="finseq_1.html#K17">|</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="finseq_4.html#K5">..</a> <font color="Maroon">c<sub>1</sub></font></span>)</span>
 
<b>by </b><i><a class="ref" href="finseq_5.html#D1">FINSEQ_5:def 1</a></i>;<br/>
<b>hence </b><a NAME="E2:35"/>
( <font color="Maroon">c<sub>1</sub></font> is <a href="topreal1.html#V2">unfolded</a> implies <font color="Maroon">c<sub>1</sub></font> <a href="finseq_5.html#K1">-:</a> <font color="Maroon">c<sub>2</sub></font> is <a href="topreal1.html#V2">unfolded</a> )
 <b>by </b><i><a class="txt" href="sppol_2.html#E30"><i><font color="Green">Lemma27</font></i></a></i>;<br/>


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