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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E14">Th7</font></span>: <a NAME="T7"><span class="comment"><font color="firebrick">:: C0SP1:7</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font> being   non  <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>   <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>  holds   <a href="funcsdom.html#K12" title="FUNCSDOM:func.12">RAlgebra</a> <font color="Olive" title="b1">X</font> is   <a href="rlvect_1.html#NM2" title="RLVECT_1:NM.2">RealLinearSpace</a></div></div>
