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<b>let </b><font color="Maroon" title="c2">a</font> be  <a href="xreal_0.html#V1" title="XREAL_0:attr.1">real</a>  <a href="ordinal1.html#NM1" title="ORDINAL1:NM.1">number</a> ;<br/>

<b>assume </b><a NAME="E1:229"/><i><font color="Green" title="E84">A1</font></i>: 
0 <a href="xxreal_0.html#NR3" title="XXREAL_0:NR.3">&lt;</a> <font color="Maroon" title="c2">a</font>
 ;<br/>

<a NAME="E2:229"/>
0 <a href="xcmplx_0.html#K7" title="XCMPLX_0:func.7">/</a> 4 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 0
 
;<br/>
<b>hence </b><a NAME="E3:229"/>
0 <a href="xxreal_0.html#NR3" title="XXREAL_0:NR.3">&lt;</a> <font color="Maroon" title="c2">a</font> <a href="xcmplx_0.html#K7" title="XCMPLX_0:func.7">/</a> 4
 <b>by </b><i><a class="txt" href="xreal_1.html#E1:229"><i><font color="Green" title="E84">A1</font></i></a>, <a class="txt" href="xreal_1.html#E74"><i><font color="Green" title="E42">Lm31</font></i></a></i>;<br/>


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