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the    <a href="borsuk_2.html#M1" title="BORSUK_2:mode.1">Path</a> of <font color="Maroon" title="c2">t1</font>,<font color="Maroon" title="c3">t2</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="topalg_1.html#K1" title="TOPALG_1:func.1">Paths</a> <font color="Maroon" title="c2">t1</font>,<font color="Maroon" title="c3">t2</font>
 
<span class="kw">by</span> <span class="lab"><a class="ref" href="topalg_1.html#D1" target="_self" title="TOPALG_1:def.1">Def1</a></span>;<br/>
<span class="kw">hence </span><a NAME="E2:48_1_1"/>
not  <a href="topalg_1.html#K1" title="TOPALG_1:func.1">Paths</a> <font color="Maroon" title="c2">t1</font>,<font color="Maroon" title="c3">t2</font> is  <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> 
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="Red">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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