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<span class="kw">take </span>
 <a href="topmetr.html#K5" title="TOPMETR:func.5">I[01]</a> 
; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="Red">::  thesis: </font></span></a><span class="hide"> ( not  <a href="topmetr.html#K5" title="TOPMETR:func.5">I[01]</a>  is  <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a>  &amp;  <a href="topmetr.html#K5" title="TOPMETR:func.5">I[01]</a>  is  <a href="borsuk_4.html#V1" title="BORSUK_4:attr.1">real-membered</a>  )</span><br/>

<span class="kw">thus </span><a NAME="E1:19_2_1"/>
( not  <a href="topmetr.html#K5" title="TOPMETR:func.5">I[01]</a>  is  <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a>  &amp;  <a href="topmetr.html#K5" title="TOPMETR:func.5">I[01]</a>  is  <a href="borsuk_4.html#V1" title="BORSUK_4:attr.1">real-membered</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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