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<b>let </b><font color="Maroon" title="c1">X</font> be  non <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>  <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> for <font color="Olive" title="b1">f</font> being  <a href="partfun1.html#NM1" title="PARTFUN1:NM.1">PartFunc</a> of <font color="Maroon" title="c1">X</font>, <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>   st <font color="Olive" title="b1">f</font> <a href="partfun1.html#K2" title="PARTFUN1:func.2">|</a> <font color="Maroon" title="c1">X</font> is <a href="seq_2.html#V3" title="SEQ_2:attr.3">bounded</a> holds <br/> <a href="rvsum_1.html#K1" title="RVSUM_1:func.1">rng</a> <font color="Olive" title="b1">f</font> is <a href="xxreal_2.html#V5" title="XXREAL_2:attr.5">bounded</a></span><br/><b>let </b><font color="Maroon" title="c2">f</font> be   <a href="partfun1.html#NM1" title="PARTFUN1:NM.1">PartFunc</a> of <font color="Maroon" title="c1">X</font>, <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a> ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> ( <font color="Maroon" title="c2">f</font> <a href="partfun1.html#K2" title="PARTFUN1:func.2">|</a> <font color="Maroon" title="c1">X</font> is <a href="seq_2.html#V3" title="SEQ_2:attr.3">bounded</a> implies  <a href="rvsum_1.html#K1" title="RVSUM_1:func.1">rng</a> <font color="Maroon" title="c2">f</font> is <a href="xxreal_2.html#V5" title="XXREAL_2:attr.5">bounded</a> )</span><br/>



<b>assume </b><a NAME="E1:37"/><i><font color="Green" title="E25">A1</font></i>: 
<font color="Maroon" title="c2">f</font> <a href="partfun1.html#K2" title="PARTFUN1:func.2">|</a> <font color="Maroon" title="c1">X</font> is <a href="seq_2.html#V3" title="SEQ_2:attr.3">bounded</a>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide">  <a href="rvsum_1.html#K1" title="RVSUM_1:func.1">rng</a> <font color="Maroon" title="c2">f</font> is <a href="xxreal_2.html#V5" title="XXREAL_2:attr.5">bounded</a></span><br/>

<a NAME="E2:37"/><b>then </b><i><font color="Green" title="E26">A2</font></i>: 
<font color="Maroon" title="c2">f</font> <a href="partfun1.html#K2" title="PARTFUN1:func.2">|</a> <font color="Maroon" title="c1">X</font> is <a href="seq_2.html#V2" title="SEQ_2:attr.2">bounded_below</a>
 
;<br/>
<a NAME="E3:37"/><i><font color="Green" title="E27">A3</font></i>: 
<font color="Maroon" title="c2">f</font> <a href="partfun1.html#K2" title="PARTFUN1:func.2">|</a> <font color="Maroon" title="c1">X</font> is <a href="seq_2.html#V1" title="SEQ_2:attr.1">bounded_above</a>
 
<b>by </b><i><a class="txt" href="#E1:37"><i><font color="Green" title="E25">A1</font></i></a></i>;<br/>
<a NAME="E4:37"/><i><font color="Green" title="E28">A4</font></i>: 
 <a href="rvsum_1.html#K1" title="RVSUM_1:func.1">rng</a> <font color="Maroon" title="c2">f</font> is <a href="xxreal_2.html#V3" title="XXREAL_2:attr.3">bounded_below</a>
 
<b>by </b><i><a class="txt" href="#E2:37"><i><font color="Green" title="E26">A2</font></i></a>, <a class="ref" href="integra1.html#T13" target="_self" title="INTEGRA1:th.13">Th13</a></i>;<br/>
<a NAME="E5:37"/>
 <a href="rvsum_1.html#K1" title="RVSUM_1:func.1">rng</a> <font color="Maroon" title="c2">f</font> is <a href="xxreal_2.html#V4" title="XXREAL_2:attr.4">bounded_above</a>
 
<b>by </b><i><a class="txt" href="#E3:37"><i><font color="Green" title="E27">A3</font></i></a>, <a class="ref" href="integra1.html#T15" target="_self" title="INTEGRA1:th.15">Th15</a></i>;<br/>
<b>hence </b><a NAME="E6:37"/>
 <a href="rvsum_1.html#K1" title="RVSUM_1:func.1">rng</a> <font color="Maroon" title="c2">f</font> is <a href="xxreal_2.html#V5" title="XXREAL_2:attr.5">bounded</a>
 <b>by </b><i><a class="txt" href="#E4:37"><i><font color="Green" title="E28">A4</font></i></a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


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