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<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="11_3_1_1"><b>now </b></a><div class="add"><b>let </b><font color="Maroon">x</font> be    <a href="hidden.html#M1">set</a> ;<br/><a NAME="E1:11_3_1_1"/>
( <font color="Maroon">x</font> <a href="hidden.html#R2">in</a> <font color="Maroon">P</font> implies  ex <font color="Olive">y</font>, <font color="Olive">z</font> being   <a href="hidden.html#M1">set</a>  st <font color="Maroon">x</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="tarski.html#K4">[</a><span class="default"><font color="Olive">y</font>,<font color="Olive">z</font></span><a href="tarski.html#K4">]</a></span> )
 <b>by </b><i/>;<br/><b>hence </b><a NAME="E2:11_3_1_1"/>
( <font color="Maroon">x</font> <a href="hidden.html#R2">in</a> <font color="Maroon">P</font> <a href="subset_1.html#K6">\</a> <font color="Maroon">R</font> implies  ex <font color="Olive">y</font>, <font color="Olive">z</font> being   <a href="hidden.html#M1">set</a>  st <font color="Maroon">x</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="tarski.html#K4">[</a><span class="default"><font color="Olive">y</font>,<font color="Olive">z</font></span><a href="tarski.html#K4">]</a></span> )
 ;<br/></div><b>end;</b></div>
<b>hence </b><a NAME="E2:11_3_1"/>
<font color="Maroon">P</font> <a href="subset_1.html#K6">\</a> <font color="Maroon">R</font> is <a href="relat_1.html#V1" target="_self">Relation-like</a>
 <b>by </b><i/>;<br/>


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