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<Paper uid="P88-1021">
  <Title>A Practical Nonmonotonic Theory for Reasoning about Speech Acts</Title>
  <Section position="11" start_page="177" end_page="177" type="ackno">
    <SectionTitle>
Acknowledgements
</SectionTitle>
    <Paragraph position="0"> This research was supported in part by a contract with the Nippon Telegraph and Telephone Corporation, in part by the Office of Naval Research under Contract N00014-85-C-0251, and in part under subcontract with Stanford University under Contract N00039-84-C-0211 with the Defense Advanced Research Projects Agency. The original draft of this paper has been substanti .ally improved by comments from Phil Cohen, Shozo Naito, and Ray Perrault. The authors are also grateful to the participants in the Artificial Intelligence Principia seminar at Stanford for providing their stimulating discussion of these and related issues.</Paragraph>
  </Section>
class="xml-element"></Paper>