Single premise deduction and risk |
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Authors: | Maria Lasonen-Aarnio |
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Affiliation: | (1) Merton College, Oxford, OX1 4JD, UK |
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Abstract: | It is tempting to think that multi premise closure creates a special class of paradoxes having to do with the accumulation of risks, and that these paradoxes could be escaped by rejecting the principle, while still retaining single premise closure. I argue that single premise deduction is also susceptible to risks. I show that what I take to be the strongest argument for rejecting multi premise closure is also an argument for rejecting single premise closure. Because of the symmetry between the principles, they come as a package: either both will have to be rejected or both will have to be revised. |
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Keywords: | Closure Knowledge Deduction |
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