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<a NAME="E1:46_1_1"/>
not  <a href="finseq_1.html#K4">dom</a> <font color="Maroon">c<sub>1</sub></font> is <a href="xboole_0.html#V1">empty</a>
 
;<br/>
<b>then reconsider </b><font color="Maroon">c<sub>2</sub></font> =  <a href="funct_6.html#K3">rngs</a> <font color="Maroon">c<sub>1</sub></font> as  non <a href="xboole_0.html#V1">empty</a> <a href="relat_1.html#V2">non-empty</a> <a href="funct_1.html#NM1">Function</a> <b>by </b><i><a class="ref" href="funct_6.html#T90">FUNCT_6:90</a>, <a class="ref" href="relat_1.html#T60">RELAT_1:60</a></i>;<br/>
<a NAME="E3:46_1_1"/>
not  <a href="card_3.html#K3">Union</a> <font color="Maroon">c<sub>2</sub></font> is <a href="xboole_0.html#V1">empty</a>
 
;<br/>
<b>hence </b><a NAME="E4:46_1_1"/>
not  <a href="jordan1h.html#K2" target="_self">Values</a> <font color="Maroon">c<sub>1</sub></font> is <a href="xboole_0.html#V1">empty</a>
 <b>by </b><i><a class="ref" href="gobrd13.html#D1">GOBRD13:def 1</a></i>;<br/>


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