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<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="pre_topc.html#NM1">TopSpace</a>;<br/><b>let </b><font color="Maroon">c<sub>2</sub></font>, <font color="Maroon">c<sub>3</sub></font> be   <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">c<sub>1</sub></font>;<br/>





<b>assume </b><b>that </b><br/><a NAME="E1:41"/><i><font color="Green">E34</font></i>: 
<font color="Maroon">c<sub>2</sub></font> <a href="connsp_1.html#R3" target="_self">is_a_component_of</a> <font color="Maroon">c<sub>1</sub></font>
 <b>and </b><br/><a NAME="E2:41"/><i><font color="Green">E35</font></i>: 
<font color="Maroon">c<sub>3</sub></font> <a href="connsp_1.html#R3" target="_self">is_a_component_of</a> <font color="Maroon">c<sub>1</sub></font>
 ;<br/>

<a NAME="E3:41"/>
( <font color="Maroon">c<sub>2</sub></font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a> <font color="Maroon">c<sub>3</sub></font> implies <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font> <a href="connsp_1.html#R1" target="_self">are_separated</a>  )
 
<b>by </b><i><a class="txt" href="connsp_1.html#E1:41"><i><font color="Green">E34</font></i></a>, <a class="txt" href="connsp_1.html#E2:41"><i><font color="Green">E35</font></i></a>, <a class="ref" href="connsp_1.html#T36" target="_self">Th36</a></i>;<br/>
<b>hence </b><a NAME="E4:41"/>
( <font color="Maroon">c<sub>2</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>3</sub></font> or <font color="Maroon">c<sub>2</sub></font> <a href="xboole_0.html#R1">misses</a> <font color="Maroon">c<sub>3</sub></font> )
 <b>by </b><i><a class="ref" href="connsp_1.html#T2" target="_self">Th2</a></i>;<br/>


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