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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E2">lemcontr1</font></span>: <a NAME="T2"><span class="comment"><font color="firebrick">:: FIELD_10:2</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">r</font> being   <a href="rat_1.html#NM1" title="RAT_1:NM.1">Rational</a> holds <br/> ( <font color="Olive" title="b1">r</font> <a href="newton.html#K1" title="NEWTON:func.1">|^</a> 3 <a href="xxreal_0.html#NR2" title="XXREAL_0:NR.2">&gt;=</a>  <a href="numbers.html#K5" title="NUMBERS:func.5">0</a>  iff <font color="Olive" title="b1">r</font> <a href="xxreal_0.html#NR2" title="XXREAL_0:NR.2">&gt;=</a>  <a href="numbers.html#K5" title="NUMBERS:func.5">0</a>  )</div></div>
