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<b>let </b><font color="Maroon">D</font> be  non <a href="xboole_0.html#V1">empty</a>  <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">f</font> be   <a href="finseq_1.html#NM1">FinSequence</a>;<br/><b>let </b><font color="Maroon">R</font> be    <a href="finseq_1.html#M2">FinSequence</a> of  <a href="numbers.html#K1">REAL</a> ;<br/><b>let </b><font color="Maroon">d</font> be    <a href="subset_1.html#M1">Element</a> of <font color="Maroon">D</font>;<br/>







<a NAME="E1:50"/>
<font color="Maroon">d</font> <a href="rfunct_3.html#R1" target="_self">is_common_for_dom</a>  <a href="rfunct_3.html#K16" target="_self">CHI</a> <font color="Maroon">f</font>,<font color="Maroon">D</font>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:50"/>
<font color="Maroon">d</font> <a href="rfunct_3.html#R1" target="_self">is_common_for_dom</a> <font color="Maroon">R</font> <a href="rfunct_3.html#K17" target="_self">(#)</a> <span class="p1">(<span class="default"><a href="rfunct_3.html#K16" target="_self">CHI</a> <font color="Maroon">f</font>,<font color="Maroon">D</font></span>)</span>
 <b>by </b><i/>;<br/>


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