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<b>let </b><font color="Maroon">F</font> be    <a href="borsuk_6.html#M1">Homotopy</a> of <font color="Maroon">P</font>,<font color="Maroon">Q</font>;<br/>

<a NAME="E1:11_1_1"/>
<font color="Maroon">P</font>,<font color="Maroon">Q</font> <a href="borsuk_2.html#R4">are_homotopic</a> 
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:11_1_1"/>
<font color="Maroon">F</font> is <a href="pre_topc.html#V5">continuous</a>
 <b>by </b><i><a class="ref" href="borsuk_6.html#D13">BORSUK_6:def 13</a></i>;<br/>


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