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

<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> ;<br/><b>let </b><font color="Maroon" title="c2">S</font> be   <a href="prob_1.html#NM3" title="PROB_1:NM.3">SigmaField</a> of <font color="Maroon" title="c1">X</font>;<br/><b>let </b><font color="Maroon" title="c3">f</font> be  <a href="mesfunc8.html#V1" title="MESFUNC8:attr.1">with_the_same_dom</a>  <a href="mesfunc8.html#M1" title="MESFUNC8:mode.1">Functional_Sequence</a> of <font color="Maroon" title="c1">X</font>, <a href="numbers.html#K7" title="NUMBERS:func.7">ExtREAL</a> ;<br/><b>let </b><font color="Maroon" title="c4">E</font> be    <a href="subset_1.html#M2" title="SUBSET_1:mode.2">Element</a> of <font color="Maroon" title="c2">S</font>;<br/>







<b>assume </b><a NAME="E1:38"/><i><font color="Green" title="E31">A1</font></i>: 
 <a href="relset_1.html#K4" title="RELSET_1:func.4">dom</a> <span class="p1">(<span class="default"><font color="Maroon" title="c3">f</font> <a href="mesfunc5.html#K4" title="MESFUNC5:func.4">.</a> <a href="numbers.html#K6" title="NUMBERS:func.6">0</a> </span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c4">E</font>
 ;<br/>

<a NAME="E2:38"/><b>then </b><i><font color="Green" title="E32">A2</font></i>: 
(  <a href="relset_1.html#K4" title="RELSET_1:func.4">dom</a> <span class="p1">(<span class="default"><a href="mesfunc8.html#K8" title="MESFUNC8:func.8">lim</a> <font color="Maroon" title="c3">f</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c4">E</font> &amp;  <a href="relset_1.html#K4" title="RELSET_1:func.4">dom</a> <span class="p1">(<span class="default"><a href="mesfunc8.html#K7" title="MESFUNC8:func.7">lim_sup</a> <font color="Maroon" title="c3">f</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c4">E</font> )
 
<b>by </b><i><a class="ref" href="mesfunc8.html#D9" target="_self" title="MESFUNC8:def.9">Def9</a>, <a class="ref" href="mesfunc8.html#D10" target="_self" title="MESFUNC8:def.10">Def10</a></i>;<br/>
<b>assume </b><b>that </b><br/><a NAME="E3:38"/><i><font color="Green" title="E33">A3</font></i>: 
for <font color="Olive" title="b1">n</font> being <a href="ordinal1.html#V7" title="ORDINAL1:attr.7">natural</a>  <a href="ordinal1.html#NM1" title="ORDINAL1:NM.1">number</a>  holds  <font color="Maroon" title="c3">f</font> <a href="mesfunc5.html#K4" title="MESFUNC5:func.4">.</a> <font color="Olive" title="b1">n</font> <a href="mesfunc1.html#R1" title="MESFUNC1:pred.1">is_measurable_on</a> <font color="Maroon" title="c4">E</font>
 <b>and </b><br/><a NAME="E4:38"/><i><font color="Green" title="E34">A4</font></i>: 
for <font color="Olive" title="b1">x</font> being   <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c1">X</font>  st <font color="Olive" title="b1">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c4">E</font> holds <br/><font color="Maroon" title="c3">f</font> <a href="mesfunc5.html#K3" title="MESFUNC5:func.3">#</a> <font color="Olive" title="b1">x</font> is <a href="mesfunc5.html#V10" title="MESFUNC5:attr.10">convergent</a>
 ;<br/>

<div><i><font color="Green" title="E35">A5</font></i>: <a class="txt" onclick="hs2(this)" href="javascript:()" title="38_1"><b>now </b></a><div class="add"><b>let </b><font color="Maroon" title="c5">x</font> be    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c1">X</font>;<br/><b>assume </b><a NAME="E1:38_1"/><i><font color="Green" title="E36">A6</font></i>: 
<font color="Maroon" title="c5">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relset_1.html#K4" title="RELSET_1:func.4">dom</a> <span class="p1">(<span class="default"><a href="mesfunc8.html#K8" title="MESFUNC8:func.8">lim</a> <font color="Maroon" title="c3">f</font></span>)</span>
 ;<br/><a NAME="E2:38_1"/><b>then </b>
<font color="Maroon" title="c3">f</font> <a href="mesfunc5.html#K3" title="MESFUNC5:func.3">#</a> <font color="Maroon" title="c5">x</font> is <a href="mesfunc5.html#V10" title="MESFUNC5:attr.10">convergent</a>
 <b>by </b><i><a class="txt" href="mesfunc8.html#E2:38"><i><font color="Green" title="E32">A2</font></i></a>, <a class="txt" href="mesfunc8.html#E4:38"><i><font color="Green" title="E34">A4</font></i></a></i>;<br/><b>hence </b><a NAME="E3:38_1"/>
<span class="p1">(<span class="default"><a href="mesfunc8.html#K8" title="MESFUNC8:func.8">lim</a> <font color="Maroon" title="c3">f</font></span>)</span> <a href="supinf_2.html#K12" title="SUPINF_2:func.12">.</a> <font color="Maroon" title="c5">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><a href="mesfunc8.html#K7" title="MESFUNC8:func.7">lim_sup</a> <font color="Maroon" title="c3">f</font></span>)</span> <a href="supinf_2.html#K12" title="SUPINF_2:func.12">.</a> <font color="Maroon" title="c5">x</font>
 <b>by </b><i><a class="txt" href="mesfunc8.html#E1:38_1"><i><font color="Green" title="E36">A6</font></i></a>, <a class="ref" href="mesfunc8.html#T14" target="_self" title="MESFUNC8:th.14">Th14</a></i>;<br/></div><b>end;</b></div>
<a NAME="E6:38"/>
 <a href="mesfunc8.html#K7" title="MESFUNC8:func.7">lim_sup</a> <font color="Maroon" title="c3">f</font> <a href="mesfunc1.html#R1" title="MESFUNC1:pred.1">is_measurable_on</a> <font color="Maroon" title="c4">E</font>
 
<b>by </b><i><a class="txt" href="mesfunc8.html#E1:38"><i><font color="Green" title="E31">A1</font></i></a>, <a class="txt" href="mesfunc8.html#E3:38"><i><font color="Green" title="E33">A3</font></i></a>, <a class="ref" href="mesfunc8.html#T23" target="_self" title="MESFUNC8:th.23">Th23</a></i>;<br/>
<b>hence </b><a NAME="E7:38"/>
 <a href="mesfunc8.html#K8" title="MESFUNC8:func.8">lim</a> <font color="Maroon" title="c3">f</font> <a href="mesfunc1.html#R1" title="MESFUNC1:pred.1">is_measurable_on</a> <font color="Maroon" title="c4">E</font>
 <b>by </b><i><a class="txt" href="mesfunc8.html#E2:38"><i><font color="Green" title="E32">A2</font></i></a>, <a class="txt" href="mesfunc8.html#E5:38"><i><font color="Green" title="E35">A5</font></i></a>, <a class="ref" href="partfun1.html#T34" title="PARTFUN1:th.34">PARTFUN1:34</a></i>;<br/>


</div>
