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<a NAME="E1:32_1_1"/><i><font color="Green" title="E5">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="c4">r</font> <a href="valued_1.html#K9" title="VALUED_1:func.9">+</a> <font color="Maroon" title="c3">f</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="relset_1.html#K4" title="RELSET_1:func.4">dom</a> <font color="Maroon" title="c3">f</font>
 
<b>by </b><i><a class="ref" href="valued_1.html#D2" target="_self" title="VALUED_1:def.2">Def2</a></i>;<br/>
<a NAME="E2:32_1_1"/>
 <a href="relset_1.html#K5" title="RELSET_1:func.5">rng</a> <span class="p1">(<span class="default"><font color="Maroon" title="c4">r</font> <a href="valued_1.html#K9" title="VALUED_1:func.9">+</a> <font color="Maroon" title="c3">f</font></span>)</span> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="numbers.html#K3" title="NUMBERS:func.3">RAT</a> 
 
<b>by </b><i><a class="ref" href="valued_0.html#D4" title="VALUED_0:def.4">VALUED_0:def 4</a></i>;<br/>
<b>hence </b><a NAME="E3:32_1_1"/>
<font color="Maroon" title="c4">r</font> <a href="valued_1.html#K7" title="VALUED_1:func.7">+</a> <font color="Maroon" title="c3">f</font> is   <a href="partfun1.html#NM1" title="PARTFUN1:NM.1">PartFunc</a> of <font color="Maroon" title="c1">C</font>, <a href="numbers.html#K3" title="NUMBERS:func.3">RAT</a> 
 <b>by </b><i><a class="txt" href="valued_1.html#E1:32_1_1"><i><font color="Green" title="E5">A1</font></i></a>, <a class="ref" href="relset_1.html#T11" title="RELSET_1:th.11">RELSET_1:11</a></i>;<br/>


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