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<div><span class="kw">theorem </span><a NAME="T16"><span class="comment"><font color="firebrick">:: MATRIX_1:16</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">n</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds   <a href="partfun1.html#K6" title="PARTFUN1:func.6">id</a> <span class="p1">(<span class="default"><a href="finseq_1.html#K2" title="FINSEQ_1:func.2">Seg</a> <font color="Olive" title="b1">n</font></span>)</span> is  <a href="matrix_1.html#V6" title="MATRIX_1:attr.6">even</a> </div></div>
