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<b>let </b><font color="Maroon">seq</font> be   <a href="seq_1.html#NM1">Real_Sequence</a>;<br/><b>let </b><font color="Maroon">seq1</font> be   <a href="seq_1.html#NM1">Real_Sequence</a>;<br/>



<b>assume </b><b>that </b><br/><a NAME="E1:68"/><i><font color="Green">E28</font></i>: 
<font color="Maroon">seq</font> is <a href="relat_1.html#V2">being_not_0</a>
 <b>and </b><br/><a NAME="E2:68"/><i><font color="Green">E29</font></i>: 
<font color="Maroon">seq1</font> is <a href="relat_1.html#V2">being_not_0</a>
 ;<br/>

<a NAME="E3:68"/>
<font color="Maroon">seq1</font> <a href="seq_1.html#K18" target="_self">"</a>  is <a href="relat_1.html#V2">being_not_0</a>
 
<b>by </b><i>, <a class="ref" href="seq_1.html#T4" target="_self">Th4</a></i>;<br/>
<a NAME="E4:68"/><b>then </b>
<font color="Maroon">seq</font> <a href="seq_1.html#K11" target="_self">(#)</a> <span class="p1">(<span class="default"><font color="Maroon">seq1</font> <a href="seq_1.html#K18" target="_self">"</a> </span>)</span> is <a href="relat_1.html#V2">being_not_0</a>
 
<b>by </b><i>, </i>;<br/>
<b>hence </b><a NAME="E5:68"/>
<font color="Maroon">seq</font> <a href="seq_1.html#K19" target="_self">/"</a> <font color="Maroon">seq1</font> is <a href="relat_1.html#V2">being_not_0</a>
 ;<br/>


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