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Pollock on Practical Reasoning

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The American epistemologist John Pollock has implemented computationally an architecture for a rational agent which he calls OSCAR. OSCAR models both practical and theoretical (or epistemic) reasoning. I argue that Pollock’s model of practical reasoning, which has seven components, is superior not only to the two-component belief-desire model stemming from Aristotle, but also to the three-component belief-desire-intention model developed especially by the contemporary American philosopher Michael Bratman. Despite its advantages, Pollock’s model of practical reasoning is incomplete in at least three respects: it is solipsistic, it is egoistic and it is unsocial.




Hitchcock, D. (2017). Pollock on Practical Reasoning. In Argumentation Library (Vol. 30, pp. 215–224). Springer Nature.

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