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<b>consider </b><font color="Maroon">c<sub>2</sub></font> being   <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="E2:144_1_1"/><i><font color="Green">E120</font></i>: 
<font color="Maroon">c<sub>2</sub></font> <a href="jordan2c.html#R2" target="_self">is_outside_component_of</a> <font color="Maroon">c<sub>1</sub></font>
 <b>and </b><br/><a NAME="E3:144_1_1"/><i><font color="Green">E121</font></i>: 
<font color="Maroon">c<sub>2</sub></font> <a href="hidden.html#R1">=</a>  <a href="jordan2c.html#K2" target="_self">UBD</a> <font color="Maroon">c<sub>1</sub></font>
 <b>by </b><i><a class="ref" href="jordan2c.html#T76" target="_self">Th76</a></i>;<br/>
<a NAME="E4:144_1_1"/><i><font color="Green">E122</font></i>: 
 <a href="jordan2c.html#K2" target="_self">UBD</a> <font color="Maroon">c<sub>1</sub></font> <a href="connsp_1.html#R4">is_a_component_of</a> <font color="Maroon">c<sub>1</sub></font> <a href="subset_1.html#K3">`</a> 
 
<b>by </b><i><a class="txt" href="jordan2c.html#E2:144_1_1"><i><font color="Green">E120</font></i></a>, <a class="txt" href="jordan2c.html#E3:144_1_1"><i><font color="Green">E121</font></i></a>, <a class="ref" href="jordan2c.html#D4" target="_self">Def4</a></i>;<br/>
<a NAME="E5:144_1_1"/>
<font color="Maroon">c<sub>1</sub></font> <a href="subset_1.html#K3">`</a>  <a href="hidden.html#NR2" target="_self">&lt;&gt;</a>  <a href="xboole_0.html#K1">{}</a> 
 
<b>by </b><i><a class="ref" href="jordan2c.html#T74" target="_self">Th74</a></i>;<br/>
<b>hence </b><a NAME="E6:144_1_1"/>
not  <a href="jordan2c.html#K2" target="_self">UBD</a> <font color="Maroon">c<sub>1</sub></font> is <a href="xboole_0.html#V1">empty</a>
 <b>by </b><i><a class="txt" href="jordan2c.html#E4:144_1_1"><i><font color="Green">E122</font></i></a>, <a class="ref" href="sprect_1.html#T6">SPRECT_1:6</a></i>;<br/>


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