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<b>reconsider </b><font color="Maroon" title="c4">a</font> = <font color="Maroon" title="c2">a</font>, <font color="Maroon" title="c5">b</font> = <font color="Maroon" title="c3">b</font> as    <a href="fraenkel.html#M2" title="FRAENKEL:mode.2">Element</a> of  <a href="fraenkel.html#K1" title="FRAENKEL:func.1">Funcs</a> <font color="Maroon" title="c1">Y</font>,<a href="margrel1.html#K6" title="MARGREL1:func.6">BOOLEAN</a>  ;<br/>
<a NAME="E2:14_2_1"/>
<font color="Maroon" title="c4">a</font> <a href="bvfunc_1.html#K13" title="BVFUNC_1:func.13">'eqv'</a> <font color="Maroon" title="c5">b</font> is    <a href="fraenkel.html#M2" title="FRAENKEL:mode.2">Element</a> of  <a href="fraenkel.html#K1" title="FRAENKEL:func.1">Funcs</a> <font color="Maroon" title="c1">Y</font>,<a href="margrel1.html#K6" title="MARGREL1:func.6">BOOLEAN</a> 
 
;<br/>
<b>hence </b><a NAME="E3:14_2_1"/>
<font color="Maroon" title="c2">a</font> <a href="bvfunc_1.html#K11" title="BVFUNC_1:func.11">'eqv'</a> <font color="Maroon" title="c3">b</font> is    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of  <a href="bvfunc_1.html#K1" title="BVFUNC_1:func.1">BVF</a> <font color="Maroon" title="c1">Y</font>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


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