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<div><span class="kw">theorem </span><a NAME="T4"><span class="comment"><font color="firebrick">:: TOPREALB:4</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">a</font>, <font color="Olive" title="b2">b</font> being   <a href="xreal_0.html#NM1" title="XREAL_0:NM.1">Real</a>  st <font color="Olive" title="b2">b</font> <a href="xcmplx_0.html#K6" title="XCMPLX_0:func.6">-</a> <font color="Olive" title="b1">a</font> <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> 1 holds <br/> <a href="toprealb.html#K1" title="TOPREALB:func.1">IntIntervals</a> (<font color="Olive" title="b1">a</font>,<font color="Olive" title="b2">b</font>) is  <a href="taxonom2.html#V4" title="TAXONOM2:attr.4">mutually-disjoint</a> </div></div>
