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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E81">Th75</font></span>: <a NAME="T76"><span class="comment"><font color="firebrick">:: COMPUT_1:76</font></span><br/></a><div class="add"> <a href="prob_1.html#K1" title="PROB_1:func.1">Union</a> <a href="comput_1.html#K13" title="COMPUT_1:func.13">PrimRec-Approximation</a> is  <a href="comput_1.html#V6" title="COMPUT_1:attr.6">primitive-recursively_closed</a> </div></div>
