Self-defeating arguments

Minds and Machines 1 (4):367-392 (1991)
An argument is self-defeating when it contains defeaters for some of its own defeasible lines. It is shown that the obvious rules for defeat among arguments do not handle self-defeating arguments correctly. It turns out that they constitute a pervasive phenomenon that threatens to cripple defeasible reasoning, leading to almost all defeasible reasoning being defeated by unexpected interactions with self-defeating arguments. This leads to some important changes in the general theory of defeasible reasoning.
Keywords Argument  defeasible  nonmonotonic
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DOI 10.1007/BF00352916
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John L. Pollock (1992). Rationality, Function, and Content. Philosophical Studies 65 (1-2):129-151.
John L. Pollock (2012). Oscar. Journal of Applied Non-Classical Logics 6 (1):89-113.

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