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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E9">Th4</font></span>: <a NAME="T4"><span class="comment"><font color="firebrick">:: RAMSEY_1:4</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font>, <font color="Olive" title="b2">Y</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>   st <font color="Olive" title="b1">X</font> is  <a href="finset_1.html#NV2" title="FINSET_1:NV.2">infinite</a>  &amp; <font color="Olive" title="b2">Y</font> is  <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a>  holds <br/><font color="Olive" title="b1">X</font> <a href="subset_1.html#K6" title="SUBSET_1:func.6">\</a> <font color="Olive" title="b2">Y</font> is  <a href="finset_1.html#NV2" title="FINSET_1:NV.2">infinite</a> </div></div>
