
 style="font-family: arial; font-weight: bold;">
</span> &#8594; <span style="font-family: arial; font-weight: bold;">Language</span><small
 style="font-family: arial;"><sup>&#8869;</sup></small>, via intent,
form the <span style="font-style: italic;">free model</span>
generalized inverse <span style="font-family: arial;">&#969;</span>.<br>
<p>Relation classification is inductively extended to expression
classification. In the expression classification, tuples satisfy
expressions. When a tuple is classifie