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<a href="funct_8.html#K1" title="FUNCT_8:func.1">signum</a>  <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <a href="numbers.html#K6" title="NUMBERS:func.6">0</a>  = 
 <a href="absvalue.html#K2" title="ABSVALUE:func.2">sgn</a> <a href="numbers.html#K6" title="NUMBERS:func.6">0</a> 
<span class="kw">by</span> <span class="lab"><a class="ref" href="funct_8.html#D9" target="_self" title="FUNCT_8:def.9">Def9</a></span>
<br/>.= 
 <a href="numbers.html#K6" title="NUMBERS:func.6">0</a> 
<span class="kw">by</span> <span class="lab"><a class="ref" href="absvalue.html#D2" title="ABSVALUE:def.2">ABSVALUE:def 2</a></span>
;<br/>
<span class="kw">hence </span><a NAME="E2:72"/>
<a href="funct_8.html#K1" title="FUNCT_8:func.1">signum</a>  <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <a href="numbers.html#K6" title="NUMBERS:func.6">0</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="numbers.html#K6" title="NUMBERS:func.6">0</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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