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<div>:: <span class="kw">deftheorem </span>   defines <a href="toprealb.html#K4" title="TOPREALB:func.4">R^1</a> <a onclick="hs(this)" href="javascript:()">TOPREALB:def 2 : <br/></a><span> for <font color="Olive" title="b1">r</font> being   <a href="xreal_0.html#NM1" title="XREAL_0:NM.1">Real</a> holds   <a href="toprealb.html#K4" title="TOPREALB:func.4">R^1</a> <font color="Olive" title="b1">r</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b1">r</font>;<br/></span></div>
