<?xml version="1.0"?>
<div>:: <span class="kw">deftheorem </span>   defines <a href="interva1.html#K22" title="INTERVA1:func.22">ERS</a> <a onclick="hs(this)" href="javascript:()">INTERVA1:def 24 : <br/></a><span> for <font color="Olive" title="b1">X</font> being   <a href="roughs_1.html#NM2" title="ROUGHS_1:NM.2">Tolerance_Space</a> holds   <a href="interva1.html#K22" title="INTERVA1:func.22">ERS</a> <font color="Olive" title="b1">X</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="tarski.html#K4" title="TARSKI:func.4">[</a><span class="default"><a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a>,<a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a></span><a href="tarski.html#K4" title="TARSKI:func.4">]</a></span>;<br/></span></div>
