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<div><span class="kw">theorem </span><a NAME="T4"><span class="comment"><font color="firebrick">:: CATALG_1:4</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">A1</font>, <font color="Olive" title="b2">A2</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a> <br/>  for <font color="Olive" title="b3">S</font> being    <a href="catalg_1.html#M1" title="CATALG_1:mode.1">CatSignature</a> of <font color="Olive" title="b1">A1</font>  st <font color="Olive" title="b3">S</font> is    <a href="catalg_1.html#M1" title="CATALG_1:mode.1">CatSignature</a> of <font color="Olive" title="b2">A2</font> holds <br/><font color="Olive" title="b1">A1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b2">A2</font></div></div>
