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<div><span class="kw">theorem </span><a NAME="T7"><span class="comment"><font color="firebrick">:: SUPINF_2:7</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">z</font> being   <a href="supinf_1.html#NM1" title="SUPINF_1:NM.1">R_eal</a> holds <br/> ( <font color="Olive" title="b1">z</font> <a href="tarski.html#R2" title="TARSKI:pred.2">in</a>  <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>  iff  <a href="supinf_2.html#K2" title="SUPINF_2:func.2">-</a> <font color="Olive" title="b1">z</font> <a href="tarski.html#R2" title="TARSKI:pred.2">in</a>  <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>  )</div></div>
