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<font color="Maroon" title="c1">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="xxreal_0.html#K1" title="XXREAL_0:func.1">+infty</a> 
 
<span class="kw">by</span> <span class="lab"><a class="ref" href="xxreal_3.html#T1" target="_self" onmouseover="rs('xxreal_3/T1')" onmouseout="rh()">Th1</a></span>;<br/>
<span class="kw">hence </span><a NAME="E2:15_1_1"/>
 not <font color="Maroon" title="c1">x</font> <a href="xxreal_3.html#K1" title="XXREAL_3:func.1">+</a> <font color="Maroon" title="c2">y</font> is  <a href="xreal_0.html#V1" title="XREAL_0:attr.1">real</a> 
 <span class="kw">by</span> <span class="lab"><a class="ref" href="xxreal_3.html#D2" target="_self" onmouseover="rs('xxreal_3/D2')" onmouseout="rh()">Def2</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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