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<div><span class="kw">theorem </span><a NAME="T21"><span class="comment"><font color="firebrick">:: SQUARE_1:21</font></span><br/></a><div class="add"> <a href="square_1.html#K3" title="SQUARE_1:func.3">sqrt</a> 2 <a href="xxreal_0.html#NR3" title="XXREAL_0:NR.3">&lt;</a> 2 <span class="kw">by</span> <span class="lab"><a class="txt" href="square_1.html#E23"><span class="lab"><font color="Green" title="E12">Lm3</font></span></a>, <a class="ref" href="square_1.html#T20" target="_self" onmouseover="rs('square_1/T20')" onmouseout="rh()">Th20</a></span>;<br/></div></div>
