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

<b>let </b><font color="Maroon">C</font> be  non <a href="xboole_0.html#V1">empty</a>  <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">f</font> be   <a href="partfun1.html#NM1">PartFunc</a> of <font color="Maroon">C</font>, <a href="numbers.html#K2">COMPLEX</a> ;<br/><b>let </b><font color="Maroon">r</font> be    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K2">COMPLEX</a> ;<br/>





<b>thus </b><a NAME="E1:60"/>
( <font color="Maroon">f</font> is <a href="partfun1.html#V1">total</a> implies <font color="Maroon">r</font> <a href="comseq_1.html#K4">(#)</a> <font color="Maroon">f</font> is <a href="partfun1.html#V1">total</a> )
 <div><a class="txt" onclick="hs2(this)" href="javascript:()" title="60_1"><b>proof </b></a><div class="add">

<b>assume </b><a NAME="E1:60_1"/>
<font color="Maroon">f</font> is <a href="partfun1.html#V1">total</a>
 ;<br/>

<a NAME="E2:60_1"/><b>then </b>
 <a href="relset_1.html#K4">dom</a> <font color="Maroon">f</font> <a href="hidden.html#R1">=</a> <font color="Maroon">C</font>
 
<b>by </b><i><a class="ref" href="partfun1.html#D4">PARTFUN1:def 4</a></i>;<br/>
<b>hence </b><a NAME="E3:60_1"/>
 <a href="relset_1.html#K4">dom</a> <span class="p1">(<span class="default"><font color="Maroon">r</font> <a href="comseq_1.html#K4">(#)</a> <font color="Maroon">f</font></span>)</span> <a href="hidden.html#R1">=</a> <font color="Maroon">C</font>
 <b>by </b><i/>; <i><font color="Red">:: according to </font></i><a class="ref" href="partfun1.html#D4">PARTFUN1:def 4</a><br/>


</div><b>end;</b></div>

<b>assume </b><a NAME="E2:60"/>
<font color="Maroon">r</font> <a href="comseq_1.html#K4">(#)</a> <font color="Maroon">f</font> is <a href="partfun1.html#V1">total</a>
 ;<br/>

<a NAME="E3:60"/><b>then </b>
 <a href="relset_1.html#K4">dom</a> <span class="p1">(<span class="default"><font color="Maroon">r</font> <a href="comseq_1.html#K4">(#)</a> <font color="Maroon">f</font></span>)</span> <a href="hidden.html#R1">=</a> <font color="Maroon">C</font>
 
<b>by </b><i><a class="ref" href="partfun1.html#D4">PARTFUN1:def 4</a></i>;<br/>
<b>hence </b><a NAME="E4:60"/>
 <a href="relset_1.html#K4">dom</a> <font color="Maroon">f</font> <a href="hidden.html#R1">=</a> <font color="Maroon">C</font>
 <b>by </b><i/>; <i><font color="Red">:: according to </font></i><a class="ref" href="partfun1.html#D4">PARTFUN1:def 4</a><br/>


</div>
