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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E30">Th54</font></span>: <a NAME="T54"><span class="comment"><font color="firebrick">:: MEASURE6:54</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">r</font> being   <a href="xreal_0.html#NM1" title="XREAL_0:NM.1">Real</a><br/>  for <font color="Olive" title="b2">X</font> being   <a href="subset_1.html#NM2" title="SUBSET_1:NM.2">Subset</a> of <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a> holds <br/> ( <font color="Olive" title="b1">r</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Olive" title="b2">X</font> iff 1 <a href="xcmplx_0.html#K7" title="XCMPLX_0:func.7">/</a> <font color="Olive" title="b1">r</font> <a href="tarski.html#R2" title="TARSKI:pred.2">in</a>  <a href="measure6.html#K4" title="MEASURE6:func.4">Inv</a> <font color="Olive" title="b2">X</font> )</div></div>
