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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E77">Th73</font></span>: <a NAME="T74"><span class="comment"><font color="firebrick">:: COMPUT_1:74</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font> being   <a href="subset_1.html#NM2" title="SUBSET_1:NM.2">Subset</a> of <span class="p1">(<span class="default"><a href="comput_1.html#K2" title="COMPUT_1:func.2">HFuncs</a> <a href="numbers.html#NK1" title="NUMBERS:NK.1">NAT</a></span>)</span>  st <font color="Olive" title="b1">X</font> is  <a href="comput_1.html#V6" title="COMPUT_1:attr.6">primitive-recursively_closed</a>  holds <br/> <a href="comput_1.html#K9" title="COMPUT_1:func.9">PrimRec</a>  <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Olive" title="b1">X</font></div></div>
