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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E1">Th1</font></span>: <a NAME="T1"><span class="comment"><font color="firebrick">:: MMLQUERY:1</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">R1</font>, <font color="Olive" title="b2">R2</font> being   <a href="relat_1.html#NM1" title="RELAT_1:NM.1">Relation</a> holds <br/> ( <font color="Olive" title="b1">R1</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Olive" title="b2">R2</font> iff  for <font color="Olive" title="b3">z</font> being    <a href="hidden.html#M1" title="HIDDEN:mode.1">object</a>  holds   <a href="relat_1.html#K9" title="RELAT_1:func.9">Im</a> (<font color="Olive" title="b1">R1</font>,<font color="Olive" title="b3">z</font>) <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="relat_1.html#K9" title="RELAT_1:func.9">Im</a> (<font color="Olive" title="b2">R2</font>,<font color="Olive" title="b3">z</font>) )</div></div>
