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<div><span class="kw">theorem </span><a NAME="T38"><span class="comment"><font color="firebrick">:: CLASSES5:38</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">x</font> being    <a href="hidden.html#M1" title="HIDDEN:mode.1">object</a>   ex <font color="Olive" title="b2">U</font> being   <a href="classes2.html#NM1" title="CLASSES2:NM.1">Universe</a> st <font color="Olive" title="b1">x</font> is <font color="Olive" title="b2">U</font> <a href="classes5.html#V2" title="CLASSES5:attr.2">-set</a> </div></div>
