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<b>thus </b><a NAME="E1:36_1_1"/>
( the <a href="unialg_1.html#U1">charact</a> of <a href="unialg_1.html#G1">UAStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">c<sub>1</sub></font>,the <a href="unialg_1.html#U1">charact</a> of <font color="Maroon">c<sub>1</sub></font> #) <a href="hidden.html#NR2" target="_self">&lt;&gt;</a>  <a href="xboole_0.html#K1">{}</a>  &amp; the <a href="unialg_1.html#U1">charact</a> of <a href="unialg_1.html#G1">UAStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">c<sub>1</sub></font>,the <a href="unialg_1.html#U1">charact</a> of <font color="Maroon">c<sub>1</sub></font> #) is <a href="relat_1.html#V2">non-empty</a> )
 ; <i><font color="Red">:: according to </font></i><a class="ref" href="unialg_1.html#D9">UNIALG_1:def 9</a><br/>


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