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<b>let </b><font color="Maroon">seq</font> be   <a href="seq_1.html#NM1">Real_Sequence</a>;<br/>

<b>assume </b><a NAME="E1:37"/><i><font color="Green">E37</font></i>: 
<font color="Maroon">seq</font> is <a href="seq_2.html#V2">bounded_below</a>
 ;<br/>

<b>let </b><font color="Maroon">n</font> be    <a href="subset_1.html#M2">Element</a> of  <a href="numbers.html#K5">NAT</a> ;<br/><b>let </b><font color="Maroon">R</font> be   <a href="subset_1.html#NM2">Subset</a> of <a href="numbers.html#K1">REAL</a> ;<br/>



<b>assume </b><a NAME="E2:37"/><i><font color="Green">E39</font></i>: 
<font color="Maroon">R</font> <a href="hidden.html#R1">=</a> <span class="p1">{<span class="default"> <span class="p2">(<span class="default"><font color="Maroon">seq</font> <a href="seq_1.html#K2">.</a> <font color="Olive">k</font></span>)</span> where <font color="Olive">k</font> is    <a href="subset_1.html#M2">Element</a> of  <a href="numbers.html#K5">NAT</a>  : <font color="Maroon">n</font> <a href="xxreal_0.html#R1">&lt;=</a> <font color="Olive">k</font> </span>}</span> 
 ;<br/>

<b>set </b><font color="Maroon">seq1</font> = <font color="Maroon">seq</font> <a href="seqm_3.html#K1">^\</a> <font color="Maroon">n</font>;<br/>
<a NAME="E3:37"/>
<font color="Maroon">seq</font> <a href="seqm_3.html#K1">^\</a> <font color="Maroon">n</font> is <a href="seq_2.html#V2">bounded_below</a>
 
<b>by </b><i>, </i>;<br/>
<a NAME="E4:37"/><b>then </b>
 <a href="relset_1.html#K5">rng</a> <span class="p1">(<span class="default"><font color="Maroon">seq</font> <a href="seqm_3.html#K1">^\</a> <font color="Maroon">n</font></span>)</span> is <a href="seq_4.html#V2">bounded_below</a>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E5:37"/>
<font color="Maroon">R</font> is <a href="seq_4.html#V2">bounded_below</a>
 <b>by </b><i>, </i>;<br/>


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