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<div><span class="kw">theorem </span><a NAME="T10"><span class="comment"><font color="firebrick">:: MATRIX_1:10</font></span><br/></a><div class="add"> <a href="matrix_1.html#K9" title="MATRIX_1:func.9">Permutations</a> 1 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><span class="p2">(<span class="default"><a href="finseq_2.html#K1" title="FINSEQ_2:func.1">idseq</a> 1</span>)</span></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span></div></div>
