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 <a href="relset_1.html#K1" title="RELSET_1:func.1">dom</a> <a href="sin_cos9.html#K1" title="SIN_COS9:func.1">arctan</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a> 
 
<span class="kw">by</span> <span class="lab"><a class="ref" href="leibniz1.html#T1" target="_self" onmouseover="rs('leibniz1/T1')" onmouseout="rh()">Th1</a>, <a class="ref" href="funct_1.html#T33" onmouseover="rs('funct_1/T33')" onmouseout="rh()">FUNCT_1:33</a></span>;<br/>
<span class="kw">hence </span><a NAME="E2:5_1_1"/>
 <a href="sin_cos9.html#K1" title="SIN_COS9:func.1">arctan</a>  is  <a href="partfun1.html#V1" title="PARTFUN1:attr.1">total</a> 
 <span class="kw">by</span> <span class="lab"><a class="ref" href="partfun1.html#D2" onmouseover="rs('partfun1/D2')" onmouseout="rh()">PARTFUN1:def 2</a></span>; <a class="txt" onmouseover="tooltip.show('hs',this)" onmouseout="tooltip.hide()" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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