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<span class="kw">let </span><font color="Maroon" title="c1">x</font> be    <a href="ordinal1.html#NM1" title="ORDINAL1:NM.1">number</a> ; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> ( <font color="Maroon" title="c1">x</font> is  <a href="fvaluat1.html#V1" title="FVALUAT1:attr.1">ext-integer</a>  implies <font color="Maroon" title="c1">x</font> is  <a href="xxreal_0.html#V1" title="XXREAL_0:attr.1">ext-real</a>  )</span><br/>

<span class="kw">assume </span><a NAME="E1:13_1_1"/>
( <font color="Maroon" title="c1">x</font> is  <a href="int_1.html#V1" title="INT_1:attr.1">integer</a>  or <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="comment"><font color="firebrick">:: according to </font></span><a class="ref" href="fvaluat1.html#D1" target="_self" title="FVALUAT1:def.1">FVALUAT1:def 1</a> <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> <font color="Maroon" title="c1">x</font> is  <a href="xxreal_0.html#V1" title="XXREAL_0:attr.1">ext-real</a> </span><br/>

<span class="kw">hence </span><a NAME="E2:13_1_1"/>
<font color="Maroon" title="c1">x</font> is  <a href="xxreal_0.html#V1" title="XXREAL_0:attr.1">ext-real</a> 
 ; <a class="txt" 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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