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<b>let </b><font color="Maroon">n</font> be    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K5">NAT</a> ;<br/><b>let </b><font color="Maroon">X</font> be    <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">A1</font> be   <a href="prob_1.html#NM2">SetSequence</a> of <font color="Maroon">X</font>;<br/><b>let </b><font color="Maroon">A2</font> be   <a href="prob_1.html#NM2">SetSequence</a> of <font color="Maroon">X</font>;<br/>







<span class="p1">(<span class="default"><a href="setlim_1.html#K2">superior_setsequence</a> <span class="p2">(<span class="default"><font color="Maroon">A1</font> <a href="setlim_2.html#K1" target="_self">(/\)</a> <font color="Maroon">A2</font></span>)</span></span>)</span> <a href="prob_1.html#K1">.</a> <font color="Maroon">n</font> = 
 <a href="prob_1.html#K2">Union</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><font color="Maroon">A1</font> <a href="setlim_2.html#K1" target="_self">(/\)</a> <font color="Maroon">A2</font></span>)</span> <a href="kurato_2.html#K3">^\</a> <font color="Maroon">n</font></span>)</span>
<b>by </b><i/>
<br/>.= 
 <a href="prob_1.html#K2">Union</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><font color="Maroon">A1</font> <a href="kurato_2.html#K3">^\</a> <font color="Maroon">n</font></span>)</span> <a href="setlim_2.html#K1" target="_self">(/\)</a> <span class="p2">(<span class="default"><font color="Maroon">A2</font> <a href="kurato_2.html#K3">^\</a> <font color="Maroon">n</font></span>)</span></span>)</span>
<b>by </b><i/>
;<br/>
<a NAME="E2:48"/><b>then </b>
<span class="p1">(<span class="default"><a href="setlim_1.html#K2">superior_setsequence</a> <span class="p2">(<span class="default"><font color="Maroon">A1</font> <a href="setlim_2.html#K1" target="_self">(/\)</a> <font color="Maroon">A2</font></span>)</span></span>)</span> <a href="prob_1.html#K1">.</a> <font color="Maroon">n</font> <a href="tarski.html#R1">c=</a> <span class="p1">(<span class="default"><a href="prob_1.html#K2">Union</a> <span class="p2">(<span class="default"><font color="Maroon">A1</font> <a href="kurato_2.html#K3">^\</a> <font color="Maroon">n</font></span>)</span></span>)</span> <a href="subset_1.html#K9">/\</a> <span class="p1">(<span class="default"><a href="prob_1.html#K2">Union</a> <span class="p2">(<span class="default"><font color="Maroon">A2</font> <a href="kurato_2.html#K3">^\</a> <font color="Maroon">n</font></span>)</span></span>)</span>
 
<b>by </b><i/>;<br/>
<a NAME="E3:48"/><b>then </b>
<span class="p1">(<span class="default"><a href="setlim_1.html#K2">superior_setsequence</a> <span class="p2">(<span class="default"><font color="Maroon">A1</font> <a href="setlim_2.html#K1" target="_self">(/\)</a> <font color="Maroon">A2</font></span>)</span></span>)</span> <a href="prob_1.html#K1">.</a> <font color="Maroon">n</font> <a href="tarski.html#R1">c=</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="setlim_1.html#K2">superior_setsequence</a> <font color="Maroon">A1</font></span>)</span> <a href="prob_1.html#K1">.</a> <font color="Maroon">n</font></span>)</span> <a href="subset_1.html#K9">/\</a> <span class="p1">(<span class="default"><a href="prob_1.html#K2">Union</a> <span class="p2">(<span class="default"><font color="Maroon">A2</font> <a href="kurato_2.html#K3">^\</a> <font color="Maroon">n</font></span>)</span></span>)</span>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E4:48"/>
<span class="p1">(<span class="default"><a href="setlim_1.html#K2">superior_setsequence</a> <span class="p2">(<span class="default"><font color="Maroon">A1</font> <a href="setlim_2.html#K1" target="_self">(/\)</a> <font color="Maroon">A2</font></span>)</span></span>)</span> <a href="prob_1.html#K1">.</a> <font color="Maroon">n</font> <a href="tarski.html#R1">c=</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="setlim_1.html#K2">superior_setsequence</a> <font color="Maroon">A1</font></span>)</span> <a href="prob_1.html#K1">.</a> <font color="Maroon">n</font></span>)</span> <a href="subset_1.html#K9">/\</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="setlim_1.html#K2">superior_setsequence</a> <font color="Maroon">A2</font></span>)</span> <a href="prob_1.html#K1">.</a> <font color="Maroon">n</font></span>)</span>
 <b>by </b><i/>;<br/>


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