Nonmonotonicity and the Scope of Reasoning

  title={Nonmonotonicity and the Scope of Reasoning},
  author={David W. Etherington and Sarit Kraus and Donald Perlis},
  journal={Artif. Intell.},
Circumscription, Default Logic, and Autoepistemic Logic capture aspects of the nonmonotonicity of human commonsense reasoning. However, Perlis has shown that circumscription suuers from certain counterintuitive limitations, concerning exceptions or \counterexam-ples" to defaults. We observe that the unfortunate limitations of circumscription are even broader than Perlis originally pointed out. Moreover, these limitations are not peculiar to circumscription; they appear to be endemic in… CONTINUE READING

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