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<b>consider </b><font color="Maroon" title="c1">A</font>, <font color="Maroon" title="c2">B</font> being  non <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a>  <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/>
<b>take </b><font color="Maroon" title="c3">P</font> =  <a href="partfun1.html#K4" title="PARTFUN1:func.4">PFuncs</a> <font color="Maroon" title="c1">A</font>,<font color="Maroon" title="c2">B</font>;<br/>

<b>thus </b><a NAME="E2:7_1_1"/>
<font color="Maroon" title="c3">P</font> is <a href="fraenkel.html#V1" title="FRAENKEL:attr.1">functional</a>
 ;<br/>

<b>thus </b><a NAME="E3:7_1_1"/>
<font color="Maroon" title="c3">P</font> is <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a>
 <b>by </b><i><a class="ref" href="heyting2.html#T5" target="_self" title="HEYTING2:th.5">Th5</a></i>;<br/>

<b>thus </b><a NAME="E4:7_1_1"/>
not <font color="Maroon" title="c3">P</font> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>
 ;<br/>


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