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<b>let </b><font color="Maroon">A</font> be    <a href="hidden.html#M1">set</a> ;<br/>

<a NAME="E1:25"/>
<span class="p1"><a href="domain_1.html#K1">[</a><span class="default"><span class="p2">(<span class="default"><a href="setwiseo.html#K1">{}.</a> <font color="Maroon">A</font></span>)</span>,<span class="p2">(<span class="default"><a href="setwiseo.html#K1">{}.</a> <font color="Maroon">A</font></span>)</span></span><a href="domain_1.html#K1">]</a></span> <a href="binop_1.html#R3">is_a_unity_wrt</a>  <a href="normform.html#K5" target="_self">FinPairUnion</a> <font color="Maroon">A</font>
 
<b>by </b><i><a class="ref" href="normform.html#T4" target="_self">Th4</a></i>;<br/>
<b>hence </b><a NAME="E2:25"/>
 <a href="binop_1.html#K3">the_unity_wrt</a> <span class="p1">(<span class="default"><a href="normform.html#K5" target="_self">FinPairUnion</a> <font color="Maroon">A</font></span>)</span> <a href="hidden.html#R1">=</a> <span class="p1"><a href="domain_1.html#K1">[</a><span class="default"><span class="p2">(<span class="default"><a href="setwiseo.html#K1">{}.</a> <font color="Maroon">A</font></span>)</span>,<span class="p2">(<span class="default"><a href="setwiseo.html#K1">{}.</a> <font color="Maroon">A</font></span>)</span></span><a href="domain_1.html#K1">]</a></span>
 <b>by </b><i><a class="ref" href="binop_1.html#D8">BINOP_1:def 8</a></i>;<br/>


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