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<b>let </b><font color="Maroon">f</font> be   <a href="partfun1.html#NM1">PartFunc</a> of <font color="Maroon">X</font>,<font color="Maroon">D</font>;<br/>

<b>assume </b><a NAME="E1:84_1_1"/>
<font color="Maroon">f</font> is <a href="funct_2.html#V1" target="_self">quasi_total</a>
 ;<br/>

<a NAME="E2:84_1_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">X</font>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E3:84_1_1"/>
<font color="Maroon">f</font> is <a href="partfun1.html#V1">total</a>
 <b>by </b><i><a class="ref" href="partfun1.html#D4">PARTFUN1:def 4</a></i>;<br/>


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