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<b>set </b><font color="Maroon">c<sub>1</sub></font> =  <a href="grcat_1.html#K7">id</a> <a href="topmetr.html#K5">I[01]</a> ;<br/>
<a NAME="E1:9"/>
( <span class="p1">(<span class="default"><a href="grcat_1.html#K7">id</a> <a href="topmetr.html#K5">I[01]</a> </span>)</span> <a href="funct_1.html#K1">.</a> 0 <a href="hidden.html#R1">=</a>  <a href="borsuk_1.html#K21">0[01]</a>  &amp; <span class="p1">(<span class="default"><a href="grcat_1.html#K7">id</a> <a href="topmetr.html#K5">I[01]</a> </span>)</span> <a href="funct_1.html#K1">.</a> 1 <a href="hidden.html#R1">=</a>  <a href="borsuk_1.html#K22">1[01]</a>  )
 
<b>by </b><i><a class="ref" href="borsuk_1.html#D17">BORSUK_1:def 17</a>, <a class="ref" href="borsuk_1.html#D18">BORSUK_1:def 18</a>, <a class="ref" href="tmap_1.html#T91">TMAP_1:91</a></i>;<br/>
<b>hence </b><a NAME="E2:9"/>
 <a href="grcat_1.html#K7">id</a> <a href="topmetr.html#K5">I[01]</a>  is    <a href="borsuk_2.html#M1">Path</a> of  <a href="borsuk_1.html#K21">0[01]</a> , <a href="borsuk_1.html#K22">1[01]</a> 
 <b>by </b><i><a class="ref" href="borsuk_2.html#D4">BORSUK_2:def 4</a></i>;<br/>


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