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<div><span class="kw">theorem </span><a NAME="T9"><span class="comment"><font color="firebrick">:: INTEGRA1:9</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">A</font> being   non  <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>   <a href="xxreal_2.html#V5" title="XXREAL_2:attr.5">real-bounded</a>  <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   <a href="numbers.html#K5" title="NUMBERS:func.5">0</a>  <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a>  <a href="integra1.html#K3" title="INTEGRA1:func.3">vol</a> <font color="Olive" title="b1">A</font> <span class="kw">by</span> <span class="lab"><a class="ref" href="seq_4.html#T11" onmouseover="rs('seq_4/T11')" onmouseout="rh()">SEQ_4:11</a>, <a class="ref" href="xreal_1.html#T48" onmouseover="rs('xreal_1/T48')" onmouseout="rh()">XREAL_1:48</a></span>;<br/></div></div>
