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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E3">Th3</font></span>: <a NAME="T2"><span class="comment"><font color="firebrick">:: COUNTERS:2</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">x</font> being    <a href="hidden.html#M1" title="HIDDEN:mode.1">object</a>  holds <br/> ( <font color="Olive" title="b1">x</font> is   <a href="counters.html#NM1" title="COUNTERS:NM.1">ExtNat</a> iff ( <font color="Olive" title="b1">x</font> is   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> or <font color="Olive" title="b1">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="xxreal_0.html#K1" title="XXREAL_0:func.1">+infty</a>  ) )</div></div>
