<?xml version="1.0"?>
<div class="add">

<b>let </b><font color="Maroon">r</font> be  <a href="xreal_0.html#V1">real</a>  <a href="ordinal1.html#NM1" target="_self">number</a> ;<br/>

<a NAME="E1:55"/>
<font color="Maroon">r</font> <a href="xcmplx_0.html#K6">-</a> 1 <a href="xxreal_0.html#NR3" target="_self">&lt;</a> <span class="p1"><a href="int_1.html#K1" target="_self">[\</a><span class="default"><font color="Maroon">r</font></span><a href="int_1.html#K1" target="_self">/]</a></span>
 
<b>by </b><i/>;<br/>
<a NAME="E2:55"/><b>then </b>
<span class="p1">(<span class="default"><font color="Maroon">r</font> <a href="xcmplx_0.html#K6">-</a> 1</span>)</span> <a href="xcmplx_0.html#K2">+</a> 1 <a href="xxreal_0.html#NR3" target="_self">&lt;</a> <span class="p1"><a href="int_1.html#K1" target="_self">[\</a><span class="default"><font color="Maroon">r</font></span><a href="int_1.html#K1" target="_self">/]</a></span> <a href="xcmplx_0.html#K2">+</a> 1
 
<b>by </b><i><a class="ref" href="xreal_1.html#T8">XREAL_1:8</a></i>;<br/>
<b>hence </b><a NAME="E3:55"/>
<font color="Maroon">r</font> <a href="xxreal_0.html#NR3" target="_self">&lt;</a> <span class="p1"><a href="int_1.html#K1" target="_self">[\</a><span class="default"><font color="Maroon">r</font></span><a href="int_1.html#K1" target="_self">/]</a></span> <a href="xcmplx_0.html#K2">+</a> 1
 ;<br/>


</div>
