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<div><span class="kw">theorem </span><a NAME="T4"><span class="comment"><font color="firebrick">:: CARD_1:4</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">M</font>, <font color="Olive" title="b2">N</font> being   <a href="card_1.html#NM1" title="CARD_1:NM.1">Cardinal</a> holds <br/> ( <font color="Olive" title="b1">M</font> <a href="tarski.html#R2" title="TARSKI:pred.2">in</a> <font color="Olive" title="b2">N</font> iff  not <font color="Olive" title="b2">N</font> <a href="ordinal1.html#R1" title="ORDINAL1:pred.1">c=</a> <font color="Olive" title="b1">M</font> ) <span class="kw">by</span> <span class="lab"><a class="ref" href="ordinal1.html#T5" onmouseover="rs('ordinal1/T5')" onmouseout="rh()">ORDINAL1:5</a>, <a class="ref" href="ordinal1.html#T16" onmouseover="rs('ordinal1/T16')" onmouseout="rh()">ORDINAL1:16</a></span>;<br/></div></div>
