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2 <a href="comput_1.html#K5" title="COMPUT_1:func.5">proj</a> 2 <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="comput_1.html#K9" title="COMPUT_1:func.9">PrimRec</a> 
 
<span class="kw">by</span> <span class="lab"><a class="ref" href="comput_1.html#D17" target="_self" title="COMPUT_1:def.17">Def17</a></span>;<br/>
<span class="kw">hence </span><a NAME="E2:144_3_1"/>
2 <a href="comput_1.html#K5" title="COMPUT_1:func.5">proj</a> 2 is  <a href="comput_1.html#V7" title="COMPUT_1:attr.7">primitive-recursive</a> 
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="Red">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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