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<div class="add">

<b>take </b>
1,1 <a href="matrix_2.html#K2">--&gt;</a> <span class="p1">(<span class="default"><a href="real_1.html#K1">-</a> 1</span>)</span>
;<br/>

<b>thus </b><a NAME="E1:9_2_1"/>
( 1,1 <a href="matrix_2.html#K2">--&gt;</a> <span class="p1">(<span class="default"><a href="real_1.html#K1">-</a> 1</span>)</span> is <a href="matrix10.html#V2" target="_self">Negative</a> &amp; 1,1 <a href="matrix_2.html#K2">--&gt;</a> <span class="p1">(<span class="default"><a href="real_1.html#K1">-</a> 1</span>)</span> is <a href="matrix10.html#V3" target="_self">Nonpositive</a> )
 ;<br/>


</div>
