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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E35">Th60</font></span>: <a NAME="T58"><span class="comment"><font color="firebrick">:: CLASSES5:58</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">o1</font>, <font color="Olive" title="b2">o2</font>, <font color="Olive" title="b3">m1</font>, <font color="Olive" title="b4">m2</font> being    <a href="hidden.html#M1" title="HIDDEN:mode.1">object</a>  holds   <a href="cat_1.html#K3" title="CAT_1:func.3">1Cat</a> (<font color="Olive" title="b1">o1</font>,<font color="Olive" title="b3">m1</font>) <a href="isocat_1.html#NR2" title="ISOCAT_1:NR.2">~=</a>  <a href="cat_1.html#K3" title="CAT_1:func.3">1Cat</a> (<font color="Olive" title="b2">o2</font>,<font color="Olive" title="b4">m2</font>)</div></div>
