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<b>let </b><font color="Maroon">c<sub>1</sub></font>, <font color="Maroon">c<sub>2</sub></font> be   <a href="seq_1.html#NM1">Real_Sequence</a>;<br/>



<b>thus </b> <a href="seq_1.html#K22" target="_self">abs</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>1</sub></font> <a href="seq_1.html#K19" target="_self">/"</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> = 
 <a href="seq_1.html#K22" target="_self">abs</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>1</sub></font> <a href="seq_1.html#K11" target="_self">(#)</a> <span class="p2">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="seq_1.html#K18" target="_self">"</a> </span>)</span></span>)</span>

<br/>.= 
<span class="p1">(<span class="default"><a href="seq_1.html#K22" target="_self">abs</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="seq_1.html#K11" target="_self">(#)</a> <span class="p1">(<span class="default"><a href="seq_1.html#K22" target="_self">abs</a> <span class="p2">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="seq_1.html#K18" target="_self">"</a> </span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="seq_1.html#T60" target="_self">Th60</a></i>
<br/>.= 
<span class="p1">(<span class="default"><a href="seq_1.html#K22" target="_self">abs</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="seq_1.html#K11" target="_self">(#)</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="seq_1.html#K22" target="_self">abs</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> <a href="seq_1.html#K18" target="_self">"</a> </span>)</span>
<b>by </b><i><a class="ref" href="seq_1.html#T62" target="_self">Th62</a></i>
<br/>.= 
<span class="p1">(<span class="default"><a href="seq_1.html#K22" target="_self">abs</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="seq_1.html#K19" target="_self">/"</a> <span class="p1">(<span class="default"><a href="seq_1.html#K22" target="_self">abs</a> <font color="Maroon">c<sub>2</sub></font></span>)</span>

;<br/>


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