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<a NAME="E1:61_1_1"/>
(  <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a>  is <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a> &amp;  <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a>  is   <a href="partfun1.html#NM1" title="PARTFUN1:NM.1">PartFunc</a> of <font color="Maroon" title="c1">A</font>,<font color="Maroon" title="c2">B</font> )
 
<b>by </b><i><a class="ref" href="partfun1.html#T56" title="PARTFUN1:th.56">PARTFUN1:56</a></i>;<br/>
<b>hence </b><a NAME="E2:61_1_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being  <a href="partfun1.html#NM1" title="PARTFUN1:NM.1">PartFunc</a> of <font color="Maroon" title="c1">A</font>,<font color="Maroon" title="c2">B</font> st <font color="Olive">b<sub>1</sub></font> is <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a>
 ;<br/>


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