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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E1">Th0</font></span>: <a NAME="T1"><span class="comment"><font color="firebrick">:: AFINSQ_1:1</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">n</font> being   non  <a href="ordinal1.html#V8" title="ORDINAL1:attr.8">zero</a>  <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds <br/> ( <font color="Olive" title="b1">n</font> <a href="xcmplx_0.html#K6" title="XCMPLX_0:func.6">-</a> 1 is   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> &amp; 1 <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <font color="Olive" title="b1">n</font> )</div></div>
