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<div><span class="kw">theorem </span><a NAME="T31"><span class="comment"><font color="firebrick">:: SCMFSA8A:31</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">l</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds <br/> (  <a href="numbers.html#K5" title="NUMBERS:func.5">0</a>  <a href="tarski.html#R2" title="TARSKI:pred.2">in</a>  <a href="afinsq_1.html#K2" title="AFINSQ_1:func.2">dom</a> <span class="p1">(<span class="default"><a href="scmfsa8a.html#K1" title="SCMFSA8A:func.1">Goto</a> <font color="Olive" title="b1">l</font></span>)</span> &amp; <span class="p1">(<span class="default"><a href="scmfsa8a.html#K1" title="SCMFSA8A:func.1">Goto</a> <font color="Olive" title="b1">l</font></span>)</span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <a href="numbers.html#K5" title="NUMBERS:func.5">0</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="scmfsa_2.html#K11" title="SCMFSA_2:func.11">goto</a> <font color="Olive" title="b1">l</font> ) <span class="kw">by</span> <span class="lab"><a class="txt" href="scmfsa8a.html#E14"><span class="lab"><font color="Green" title="E7">Lm1</font></span></a></span>;<br/></div></div>
