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<Paper uid="C92-1016">
  <Title>Using Active Constraints to I)arse &amp;quot;&amp;quot;)~'(' ',.:, \[ ,~ k,,&lt;;</Title>
  <Section position="3" start_page="0" end_page="0" type="intro">
    <SectionTitle>
2 Parsing and deduction
</SectionTitle>
    <Paragraph position="0"> IIoth for historical itllll \[orlilal reasolls, parsing turn ck)se relalions with logic The birth of Prolog, for example, w~s conditioimd by Ihat aud NLP was one of the early applications of this language. One of the re~molls, a.s shown in \[PereiraS,g\], is tiiat we ('.all compare |)arsdlg and dednet, ion, More precisely, it phrase- structure rule (hereafter PS-rule) can be interpreted its a Rmnula (an ilnplication), like a classical inDrenee rule.</Paragraph>
    <Paragraph position="1"> '\['hus, a PS-rule of the form :</Paragraph>
  </Section>
class="xml-element"></Paper>