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<b>let </b><font color="Maroon" title="c1">seq</font>, <font color="Maroon" title="c2">seq1</font> be   <a href="seq_1.html#NM1" title="SEQ_1:NM.1">Real_Sequence</a>;<br/>



<b>assume </b><b>that </b><br/><a NAME="E1:80"/><i><font color="Green" title="E48">A1</font></i>: 
<font color="Maroon" title="c1">seq</font> is <a href="funct_1.html#V3" title="FUNCT_1:attr.3">constant</a>
 <b>and </b><br/><a NAME="E2:80"/><i><font color="Green" title="E49">A2</font></i>: 
<font color="Maroon" title="c2">seq1</font> is <a href="funct_1.html#V3" title="FUNCT_1:attr.3">constant</a>
 ;<br/>

<a NAME="E3:80"/>
 <a href="valued_1.html#K32" title="VALUED_1:func.32">-</a> <font color="Maroon" title="c2">seq1</font> is <a href="funct_1.html#V3" title="FUNCT_1:attr.3">constant</a>
 
<b>by </b><i><a class="txt" href="seqm_3.html#E2:80"><i><font color="Green" title="E49">A2</font></i></a>, <a class="ref" href="seqm_3.html#T65" target="_self" title="SEQM_3:th.65">Th65</a></i>;<br/>
<b>hence </b><a NAME="E4:80"/>
<font color="Maroon" title="c1">seq</font> <a href="valued_1.html#K47" title="VALUED_1:func.47">-</a> <font color="Maroon" title="c2">seq1</font> is <a href="funct_1.html#V3" title="FUNCT_1:attr.3">constant</a>
 <b>by </b><i><a class="txt" href="seqm_3.html#E1:80"><i><font color="Green" title="E48">A1</font></i></a>, <a class="ref" href="seqm_3.html#T66" target="_self" title="SEQM_3:th.66">Th66</a></i>;<br/>


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