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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E49">Th47</font></span>: <a NAME="T48"><span class="comment"><font color="firebrick">:: EUCLID_7:48</font></span><br/></a><div class="add"> <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a>  is    <a href="rlvect_3.html#M1" title="RLVECT_3:mode.1">Basis</a> of  <a href="funcsdom.html#K10" title="FUNCSDOM:func.10">RealVectSpace</a> <span class="p1">(<span class="default"><a href="finseq_1.html#K2" title="FINSEQ_1:func.2">Seg</a> <a href="numbers.html#K5" title="NUMBERS:func.5">0</a></span>)</span></div></div>
