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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E57">Th54</font></span>: <a NAME="T54"><span class="comment"><font color="firebrick">:: AOFA_000:54</font></span><br/></a><div class="add">(  <a href="finseq_1.html#K3" title="FINSEQ_1:func.3">len</a> <a href="aofa_000.html#K19" title="AOFA_000:func.19">ECIW-signature</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 4 &amp;  <a href="finseq_1.html#K4" title="FINSEQ_1:func.4">dom</a> <a href="aofa_000.html#K19" title="AOFA_000:func.19">ECIW-signature</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="finseq_1.html#K2" title="FINSEQ_1:func.2">Seg</a> 4 &amp; <a href="aofa_000.html#K19" title="AOFA_000:func.19">ECIW-signature</a> <a href="recdef_1.html#K1" title="RECDEF_1:func.1">.</a> 1 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="numbers.html#K5" title="NUMBERS:func.5">0</a>  &amp; <a href="aofa_000.html#K19" title="AOFA_000:func.19">ECIW-signature</a> <a href="recdef_1.html#K1" title="RECDEF_1:func.1">.</a> 2 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 2 &amp; <a href="aofa_000.html#K19" title="AOFA_000:func.19">ECIW-signature</a> <a href="recdef_1.html#K1" title="RECDEF_1:func.1">.</a> 3 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 3 &amp; <a href="aofa_000.html#K19" title="AOFA_000:func.19">ECIW-signature</a> <a href="recdef_1.html#K1" title="RECDEF_1:func.1">.</a> 4 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 2 )</div></div>
