Stable Closures, Defeasible Logic and Contradiction Tolerant Reasoning

  title={Stable Closures, Defeasible Logic and Contradiction Tolerant Reasoning},
  author={Paul Morris},
A solution to the Yale shooting problem has been previously proposed that uses so-called non-normal defaults. This approach produces a single extension. One disadvantage, however, is that new conflicting information causes the extension to collapse. In this paper we propose a new formal counterpart to the intuitive notion of a reasonable set of beliefs. The new formalization reduces to the previous one when there are no conflicts. However, when fresh conflicting information is added, instead… CONTINUE READING


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