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<a NAME="E1:13_1_1"/>
<font color="Maroon" title="c4">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="struct_0.html#K4" title="STRUCT_0:func.4">0.</a> <font color="Maroon" title="c3">X</font>
 
<span class="kw">by</span> <span class="lab"><a class="ref" href="struct_0.html#D12" onmouseover="rs('struct_0/D12')" onmouseout="rh()">STRUCT_0:def 12</a></span>;<br/>
<span class="kw">hence </span><a NAME="E2:13_1_1"/>
<span class="p1"><a href="normsp_0.html#K2" title="NORMSP_0:func.2">||.</a><span class="default"><font color="Maroon" title="c4">x</font></span><a href="normsp_0.html#K2" title="NORMSP_0:func.2">.||</a></span> is  <a href="ordinal1.html#V8" title="ORDINAL1:attr.8">zero</a> 
 <span class="kw">by</span> <span class="lab"><a class="ref" href="normsp_0.html#D6" target="_self" onmouseover="rs('normsp_0/D6')" onmouseout="rh()">Def6</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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