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<div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="137_1_1_1"><b>per </b></a><a class="txt" onclick="hs(this)" href="javascript:()"><b>cases </b></a><span class="hide"><a NAME="E1:137_1_1_1"/>
( <font color="Maroon" title="c2">a</font> is <a href="abcmiz_1.html#V6" title="ABCMIZ_1:attr.6">positive</a> or <font color="Maroon" title="c2">a</font> is <a href="abcmiz_1.html#V7" title="ABCMIZ_1:attr.7">negative</a> )
 </span>;<br/><div class="add"><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="137_1_1_1_1"><b>suppose </b></a><a NAME="E1:137_1_1_1_1"/>
<font color="Maroon" title="c2">a</font> is <a href="abcmiz_1.html#V6" title="ABCMIZ_1:attr.6">positive</a>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide">  <a href="abcmiz_1.html#K37" title="ABCMIZ_1:func.37">Non</a> <font color="Maroon" title="c2">a</font> is <a href="abcmiz_1.html#V8" title="ABCMIZ_1:attr.8">regular</a></span><br/><div class="add"><b>then reconsider </b><font color="Maroon" title="c3">a'</font> = <font color="Maroon" title="c2">a</font> as  <a href="abcmiz_1.html#V6" title="ABCMIZ_1:attr.6">positive</a>  <a href="abcmiz_1.html#M1" title="ABCMIZ_1:mode.1">expression</a> of <font color="Maroon" title="c1">C</font>, <a href="abcmiz_1.html#K13" title="ABCMIZ_1:func.13">an_Adj</a> <font color="Maroon" title="c1">C</font> ;<br/><a NAME="E3:137_1_1_1_1"/>
 <a href="abcmiz_1.html#K37" title="ABCMIZ_1:func.37">Non</a> <font color="Maroon" title="c3">a'</font> is <a href="abcmiz_1.html#V7" title="ABCMIZ_1:attr.7">negative</a>
 ;<br/><b>hence </b><a NAME="E4:137_1_1_1_1"/>
 <a href="abcmiz_1.html#K37" title="ABCMIZ_1:func.37">Non</a> <font color="Maroon" title="c2">a</font> is <a href="abcmiz_1.html#V8" title="ABCMIZ_1:attr.8">regular</a>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/></div><b>end;</b></div><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="137_1_1_1_2"><b>suppose </b></a><a NAME="E1:137_1_1_1_2"/>
<font color="Maroon" title="c2">a</font> is <a href="abcmiz_1.html#V7" title="ABCMIZ_1:attr.7">negative</a>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide">  <a href="abcmiz_1.html#K37" title="ABCMIZ_1:func.37">Non</a> <font color="Maroon" title="c2">a</font> is <a href="abcmiz_1.html#V8" title="ABCMIZ_1:attr.8">regular</a></span><br/><div class="add"><b>then reconsider </b><font color="Maroon" title="c3">a'</font> = <font color="Maroon" title="c2">a</font> as  <a href="abcmiz_1.html#V7" title="ABCMIZ_1:attr.7">negative</a>  <a href="abcmiz_1.html#M1" title="ABCMIZ_1:mode.1">expression</a> of <font color="Maroon" title="c1">C</font>, <a href="abcmiz_1.html#K13" title="ABCMIZ_1:func.13">an_Adj</a> <font color="Maroon" title="c1">C</font> ;<br/><a NAME="E3:137_1_1_1_2"/>
 <a href="abcmiz_1.html#K37" title="ABCMIZ_1:func.37">Non</a> <font color="Maroon" title="c3">a'</font> is <a href="abcmiz_1.html#V6" title="ABCMIZ_1:attr.6">positive</a>
 ;<br/><b>hence </b><a NAME="E4:137_1_1_1_2"/>
 <a href="abcmiz_1.html#K37" title="ABCMIZ_1:func.37">Non</a> <font color="Maroon" title="c2">a</font> is <a href="abcmiz_1.html#V8" title="ABCMIZ_1:attr.8">regular</a>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/></div><b>end;</b></div></div><b>end;</b></div>

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