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<div>:: <span class="kw">deftheorem </span>   defines <a href="counters.html#K1" title="COUNTERS:func.1">ExtNAT</a> <a onclick="hs(this)" href="javascript:()">COUNTERS:def 1 : <br/></a><span> <a href="counters.html#K1" title="COUNTERS:func.1">ExtNAT</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <a href="numbers.html#NK1" title="NUMBERS:NK.1">NAT</a> <a href="xboole_0.html#K2" title="XBOOLE_0:func.2">\/</a> <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><a href="xxreal_0.html#K1" title="XXREAL_0:func.1">+infty</a></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span>;<br/></span></div>
