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<b>let </b><font color="Maroon" title="c1">n</font> be    <a href="subset_1.html#M2" title="SUBSET_1:mode.2">Element</a> of  <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a> ;<br/><b>let </b><font color="Maroon" title="c2">seq</font> be   <a href="seq_1.html#NM1" title="SEQ_1:NM.1">Real_Sequence</a>;<br/>



<b>assume </b><a NAME="E1:69"/>
<font color="Maroon" title="c2">seq</font> is <a href="seq_2.html#V1" title="SEQ_2:attr.1">bounded_above</a>
 ;<br/>

<a NAME="E2:69"/><b>then </b><i><font color="Green" title="E64">A1</font></i>: 
(  <a href="partfun3.html#K6" title="PARTFUN3:func.6">-</a> <font color="Maroon" title="c2">seq</font> is <a href="seq_2.html#V2" title="SEQ_2:attr.2">bounded_below</a> &amp; <font color="Maroon" title="c2">seq</font> <a href="seqm_3.html#K1" title="SEQM_3:func.1">^\</a> <font color="Maroon" title="c1">n</font> is <a href="seq_2.html#V1" title="SEQ_2:attr.1">bounded_above</a> )
 
<b>by </b><i><a class="ref" href="rinfsup1.html#T26" target="_self" title="RINFSUP1:th.26">Th26</a>, <a class="ref" href="rinfsup1.html#T11" target="_self" title="RINFSUP1:th.11">Th11</a></i>;<br/>
<span class="p1">(<span class="default"><a href="rinfsup1.html#K4" title="RINFSUP1:func.4">superior_realsequence</a> <font color="Maroon" title="c2">seq</font></span>)</span> <a href="seq_1.html#K2" title="SEQ_1:func.2">.</a> <font color="Maroon" title="c1">n</font> = 
 <a href="rinfsup1.html#K1" title="RINFSUP1:func.1">sup</a> <span class="p1">(<span class="default"><font color="Maroon" title="c2">seq</font> <a href="seqm_3.html#K1" title="SEQM_3:func.1">^\</a> <font color="Maroon" title="c1">n</font></span>)</span>
<b>by </b><i><a class="ref" href="rinfsup1.html#T39" target="_self" title="RINFSUP1:th.39">Th39</a></i>
<br/>.= 
 <a href="real_1.html#K1" title="REAL_1:func.1">-</a> <span class="p1">(<span class="default"><a href="rinfsup1.html#K2" title="RINFSUP1:func.2">inf</a> <span class="p2">(<span class="default"><a href="partfun3.html#K6" title="PARTFUN3:func.6">-</a> <span class="p3">(<span class="default"><font color="Maroon" title="c2">seq</font> <a href="seqm_3.html#K1" title="SEQM_3:func.1">^\</a> <font color="Maroon" title="c1">n</font></span>)</span></span>)</span></span>)</span>
<b>by </b><i><a class="txt" href="rinfsup1.html#E2:69"><i><font color="Green" title="E64">A1</font></i></a>, <a class="ref" href="rinfsup1.html#T13" target="_self" title="RINFSUP1:th.13">Th13</a></i>
<br/>.= 
 <a href="real_1.html#K1" title="REAL_1:func.1">-</a> <span class="p1">(<span class="default"><a href="rinfsup1.html#K2" title="RINFSUP1:func.2">inf</a> <span class="p2">(<span class="default"><span class="p3">(<span class="default"><a href="partfun3.html#K6" title="PARTFUN3:func.6">-</a> <font color="Maroon" title="c2">seq</font></span>)</span> <a href="seqm_3.html#K1" title="SEQM_3:func.1">^\</a> <font color="Maroon" title="c1">n</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="seqm_3.html#T38" title="SEQM_3:th.38">SEQM_3:38</a></i>
;<br/>
<b>hence </b><a NAME="E4:69"/>
<span class="p1">(<span class="default"><a href="rinfsup1.html#K4" title="RINFSUP1:func.4">superior_realsequence</a> <font color="Maroon" title="c2">seq</font></span>)</span> <a href="seq_1.html#K2" title="SEQ_1:func.2">.</a> <font color="Maroon" title="c1">n</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="real_1.html#K1" title="REAL_1:func.1">-</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="rinfsup1.html#K3" title="RINFSUP1:func.3">inferior_realsequence</a> <span class="p3">(<span class="default"><a href="partfun3.html#K6" title="PARTFUN3:func.6">-</a> <font color="Maroon" title="c2">seq</font></span>)</span></span>)</span> <a href="seq_1.html#K2" title="SEQ_1:func.2">.</a> <font color="Maroon" title="c1">n</font></span>)</span>
 <b>by </b><i><a class="ref" href="rinfsup1.html#T38" target="_self" title="RINFSUP1:th.38">Th38</a></i>;<br/>


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