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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E31">Th47</font></span>: <a NAME="T48"><span class="comment"><font color="firebrick">:: RING_3:48</font></span><br/></a><div class="add"> <a href="vectsp_1.html#K2" title="VECTSP_1:func.2">F_Real</a>  is    <a href="ec_pf_1.html#M1" title="EC_PF_1:mode.1">Subfield</a> of  <a href="complfld.html#K1" title="COMPLFLD:func.1">F_Complex</a>  <span class="kw">by</span> <span class="lab"><a class="txt" href="ring_3.html#E48"><span class="lab"><font color="Green" title="E28">Lm2</font></span></a>, <a class="ref" href="ec_pf_1.html#T2" onmouseover="rs('ec_pf_1/T2')" onmouseout="rh()">EC_PF_1:2</a></span>;<br/></div></div>
