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<div><span class="kw">theorem </span><a NAME="T18"><span class="comment"><font color="firebrick">:: SCPINVAR:18</font></span><br/></a><div class="add"> <a href="card_1.html#K4" title="CARD_1:func.4">card</a> <a href="scpinvar.html#K4" title="SCPINVAR:func.4">GCD-Algorithm</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 12</div></div>
