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Deontic Logic Viewed as Defeasible Reasoning
1997The notion of defeasibility in normative reasoning has been discussed by legal philosophers such as Gardner (1987), Hart (1948, 1958), and MacCormick (1974). For instance, MacCormick, in his 1974 article and also in an unpublished research note “Defeasibility in Law and Logic,” stated that an “institutional fact,” supporting the validity of a certain ...
Ryu, Y, Lee, RM
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The Reasoning View and Defeasible Practical Reasoning
Philosophy and Phenomenological Research, 2017According to the Reasoning View about normative reasons, facts about normative reasons for action can be understood in terms of facts about the norms of practical reasoning. I argue that this view is subject to an overlooked class of counterexamples, familiar from debates about Subjectivist theories of normative reasons.
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Analysis of Defeasible Reasoning
2018This chapter describes implementation of abductive and modified conclusions by means of NTA. The algorithm and rules to form hypotheses for abductive conclusions are proposed. They can be applied not only to NTA objects expressing formulas of propositional calculus, but also to a more general case when attribute domains contain more than two values ...
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Semantics for Pollock’s Defeasible Reasoning
1999Many researchers have proposed argumentation-based reasoning as a viable alternative to reasoning systems with a flat epistemological structure. Perhaps one of the longest standing approaches heis been in the Oscar project, led by John Pollock. Unfortunately, without a formal semaintics, it is often difficult to evaluate the various incarnations of ...
Quoc Bao Vo, Joe Thurbon
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Alchourron's Defeasible Conditionals and Defeasible Reasoning
1996Tohme, Fernando, Loui, Ronald P.
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Knowledge Representation and Defeasible Reasoning
1990This series will include monographs and collections of studies devoted to the investigation and exploration of knowledge, information, and data processing systems of all kinds, no matter whether human, (other) ani mal, or machine. Its scope is intended to span the full range of interests from classical problems in the philosophy of mind and ...
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