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<div><span class="kw">theorem </span><a NAME="T20"><span class="comment"><font color="firebrick">:: CLASSES3:20</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font> being   <a href="finset_1.html#NV2" title="FINSET_1:NV.2">infinite</a>   <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>  holds   <a href="classes1.html#K1" title="CLASSES1:func.1">Tarski-Class</a> <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><font color="Olive" title="b1">X</font></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span> <a href="xboole_0.html#R2" title="XBOOLE_0:pred.2">c&lt;</a>  <a href="classes3.html#K1" title="CLASSES3:func.1">GrothendieckUniverse</a> <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><font color="Olive" title="b1">X</font></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span></div></div>
