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<div><span class="kw">theorem </span><a NAME="T90"><span class="comment"><font color="firebrick">:: CLASSES5:90</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">C</font>, <font color="Olive" title="b2">D</font> being   <a href="classes5.html#NM3" title="CLASSES5:NM.3">CategorySet</a> holds <br/> (  <a href="classes5.html#K17" title="CLASSES5:func.17">Obj</a> <span class="p1">(<span class="default"><a href="classes5.html#K22" title="CLASSES5:func.22">Functors</a> (<font color="Olive" title="b1">C</font>,<font color="Olive" title="b2">D</font>)</span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="cat_2.html#K4" title="CAT_2:func.4">Funct</a> (<span class="p1">(<span class="default"><a href="classes5.html#K19" title="CLASSES5:func.19">SetToCat</a> <font color="Olive" title="b1">C</font></span>)</span>,<span class="p1">(<span class="default"><a href="classes5.html#K19" title="CLASSES5:func.19">SetToCat</a> <font color="Olive" title="b2">D</font></span>)</span>) &amp;  <a href="classes5.html#K18" title="CLASSES5:func.18">Mor</a> <span class="p1">(<span class="default"><a href="classes5.html#K22" title="CLASSES5:func.22">Functors</a> (<font color="Olive" title="b1">C</font>,<font color="Olive" title="b2">D</font>)</span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="nattra_1.html#K8" title="NATTRA_1:func.8">NatTrans</a> (<span class="p1">(<span class="default"><a href="classes5.html#K19" title="CLASSES5:func.19">SetToCat</a> <font color="Olive" title="b1">C</font></span>)</span>,<span class="p1">(<span class="default"><a href="classes5.html#K19" title="CLASSES5:func.19">SetToCat</a> <font color="Olive" title="b2">D</font></span>)</span>) ) <span class="kw">by</span> <span class="lab"><a class="ref" href="nattra_1.html#D17" onmouseover="rs('nattra_1/D17')" onmouseout="rh()">NATTRA_1:def 17</a></span>;<br/></div></div>
