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<span class="kw">consider </span><font color="Maroon" title="c2">B</font> being    <a href="finseq_1.html#M2" title="FINSEQ_1:mode.2">FinSequence</a> of  <a href="zfmisc_1.html#K1" title="ZFMISC_1:func.1">bool</a> <font color="Maroon" title="c1">D</font><span class="kw"> such that </span><br/><a NAME="E2:8_1_1"/><span class="lab"><font color="Green" title="E8">A1</font></span>: 
(  <a href="finseq_1.html#K3" title="FINSEQ_1:func.3">len</a> <font color="Maroon" title="c2">B</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="card_1.html#K5" title="CARD_1:func.5">card</a> <font color="Maroon" title="c1">D</font> &amp; <font color="Maroon" title="c2">B</font> is  <a href="rearran1.html#V2" title="REARRAN1:attr.2">ascending</a>  &amp; <font color="Maroon" title="c2">B</font> is  <a href="rearran1.html#V1" title="REARRAN1:attr.1">terms've_same_card_as_number</a>  )
 <span class="kw">by</span> <span class="lab"><a class="txt" href="rearran1.html#E6"><span class="lab"><font color="Green" title="E6">Lm4</font></span></a></span>;<br/>
<span class="kw">take </span>
<font color="Maroon" title="c2">B</font>
; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> ( <font color="Maroon" title="c2">B</font> is  <a href="rearran1.html#V1" title="REARRAN1:attr.1">terms've_same_card_as_number</a>  &amp; <font color="Maroon" title="c2">B</font> is  <a href="rearran1.html#V2" title="REARRAN1:attr.2">ascending</a>  &amp; <font color="Maroon" title="c2">B</font> is  <a href="rearran1.html#V3" title="REARRAN1:attr.3">lenght_equal_card_of_set</a>  )</span><br/>

<a NAME="E3:8_1_1"/>
 <a href="tarski.html#K3" title="TARSKI:func.3">union</a> <span class="p1">(<span class="default"><a href="zfmisc_1.html#K1" title="ZFMISC_1:func.1">bool</a> <font color="Maroon" title="c1">D</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">D</font>
 
<span class="kw">by</span> <span class="lab"><a class="ref" href="zfmisc_1.html#T81" title="ZFMISC_1:th.81">ZFMISC_1:81</a></span>;<br/>
<span class="kw">hence </span><a NAME="E4:8_1_1"/>
( <font color="Maroon" title="c2">B</font> is  <a href="rearran1.html#V1" title="REARRAN1:attr.1">terms've_same_card_as_number</a>  &amp; <font color="Maroon" title="c2">B</font> is  <a href="rearran1.html#V2" title="REARRAN1:attr.2">ascending</a>  &amp; <font color="Maroon" title="c2">B</font> is  <a href="rearran1.html#V3" title="REARRAN1:attr.3">lenght_equal_card_of_set</a>  )
 <span class="kw">by</span> <span class="lab"><a class="txt" href="#E2:8_1_1"><span class="lab"><font color="Green" title="E8">A1</font></span></a>, <a class="ref" href="rearran1.html#D3" target="_self" title="REARRAN1:def.3">Def3</a></span>; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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