<?xml version="1.0"?>
<div class="add">

<b>let </b><font color="Maroon">f</font> be  <a href="sprect_1.html#V1">rectangular</a> <a href="goboard5.html#NM1">special_circular_sequence</a>;<br/>

<b>consider </b><font color="Maroon">D</font> being  non <a href="xboole_0.html#V1">empty</a> <a href="compts_1.html#V6">compact</a> non <a href="sppol_1.html#V1">horizontal</a> non <a href="sppol_1.html#V2">vertical</a> <a href="struct_0.html#NM2">Subset</a> of <span class="p1">(<span class="default"><a href="euclid.html#K15">TOP-REAL</a> 2</span>)</span><b> such that </b><br/><a NAME="E2:43_1_1"/><i><font color="Green">E35</font></i>: 
<font color="Maroon">f</font> <a href="hidden.html#R1">=</a>  <a href="sprect_1.html#K1">SpStSeq</a> <font color="Maroon">D</font>
 <b>by </b><i><a class="ref" href="sprect_1.html#D2">SPRECT_1:def 2</a></i>;<br/>
<b>thus </b><a NAME="E3:43_1_1"/>
<font color="Maroon">f</font> is <a href="sprect_2.html#V1">clockwise_oriented</a>
 <b>by </b><i/>;<br/>


</div>
