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<div><span class="kw">theorem </span><a NAME="T49"><span class="comment"><font color="firebrick">:: FIELD_9:49</font></span><br/></a><div class="add"> <a href="card_1.html#K4" title="CARD_1:func.4">card</a> <span class="p1">(<span class="default"><a href="field_4.html#K1" title="FIELD_4:func.1">Roots</a> (<span class="p2">(<span class="default"><a href="field_6.html#K6" title="FIELD_6:func.6">FAdj</a> (<span class="p3">(<span class="default"><a href="ring_3.html#NK1" title="RING_3:NK.1">Z/</a> 2</span>)</span>,<span class="p3"><a href="ring_4.html#K1" title="RING_4:func.1">{</a><span class="default"><a href="field_9.html#K14" title="FIELD_9:func.14">alpha</a></span><a href="ring_4.html#K1" title="RING_4:func.1">}</a></span>)</span>)</span>,<a href="field_9.html#K11" title="FIELD_9:func.11">X^2+X+1</a>)</span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 2 <span class="kw">by</span> <span class="lab"><a class="ref" href="field_9.html#T48" target="_self" onmouseover="rs('field_9/T48')" onmouseout="rh()">lemZ2roots</a>, <a class="ref" href="field_9.html#T46" target="_self" onmouseover="rs('field_9/T46')" onmouseout="rh()">lemalph</a>, <a class="ref" href="card_2.html#T57" onmouseover="rs('card_2/T57')" onmouseout="rh()">CARD_2:57</a></span>;<br/></div></div>
