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29Bootstrap ContractionStudia Logica 101 (5): 1013-1029. 2013.We can often specify how we would contract by a certain sentence by saying that this contraction would coincide with some other contraction that we know how to perform. We can for instance clarify that our contraction by p&q would coincide with our contraction by p, or by q, or by {p, q}. In a framework where the set of potential outcomes is known, some contractions are “self-evident” in the sense that there is only one serious candidate that can be the outcome of such a contraction. Contraction…Read more
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708Som de första vetenskapliga tidskrifterna brukar man räkna den franska Journal des Sça- vants och den engelska Philosophical Transactions, som båda började ges ut år 1665. Redan under dessa tidskrifters första årtionden skaffade sig redaktörerna vanan att ta hjälp av experter inom olika områden med att granska manuskript. Detta system har sedan dess kommit att utvecklas och systematiseras, och kallas med en svåröversättlig engelsk term ”peer review”. Termen anger att manuskripten granskas av exp…Read more
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86Coherentist ContractionJournal of Philosophical Logic 29 (3). 2000.A model of coherentist belief contraction is constructed. The outcome of belief contraction is required to be one of the coherent subsets of the original belief set, and a set of plausible properties is proposed for this set of coherent subsets. The contraction operators obtained in this way are shown to coincide with well-known belief base operations. This connection between coherentist and "foundationalist" approaches to belief change has important implications for the philosophical interpreta…Read more
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66A survey of non-prioritized belief revisionErkenntnis 50 (2-3): 413-427. 1999.This paper summarizes and systematizes recent and ongoing work on non-prioritized belief change, i.e., belief revision in which the new information has no special priority due to its novelty.
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Are natural risks less dangerous than technological risks?Philosophia Naturalis 40 (1): 43-54. 2003.
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12Beyond Language: Using Logic to Introduce New Philosophical DistinctionsFrontiers of Philosophy in China 8 (3): 498-506. 2013.
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32A Theoria Bibliography: A Theoria Bibliography: Swedish Theses in Philosophy 2005Theoria 72 (3): 259-262. 2006.
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6Acceptable premises. An epistemic approach to an informal logic problemHistory and Philosophy of Logic 27 (2): 209-210. 2006.
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3Beyond Recovery? A Reply to TennantErkenntnis 49 (3): 387-392. 1998.In his paper 'Changing the Theory of Theory Change: Reply to My Critics', N. Tennant (1997b) reacts to the critical reception of an earlier article of his. The present note rectifies some of the most serious misrepresentations in Tennant's reply
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24A Theoria Bibliography: Swedish Theses in Philosophy in the Year 2000Theoria 67 (3): 281-285. 2001.
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105A Textbook of Belief Dynamics: Theory Change and Database UpdatingKluwer Academic Publishers. 1999.SUGGESTED COURSES Introductory level A (Requires very little background in logic .): 4: -9 - - -7 -2 Introductory level B: -9,:+-+ -,2:+,2: -,3:20+-22+ -7 -2 ...
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179A history of theoriaTheoria 75 (1): 2-27. 2009.Theoria , the international Swedish philosophy journal, was founded in 1935. Its contributors in the first 75 years include the major Swedish philosophers from this period and in addition a long list of international philosophers, including A. J. Ayer, C. D. Broad, Ernst Cassirer, Hector Neri Castañeda, Arthur C. Danto, Donald Davidson, Nelson Goodman, R. M. Hare, Carl G. Hempel, Jaakko Hintikka, Saul Kripke, Henry E. Kyburg, Keith Lehrer, Isaac Levi, David Lewis, Gerald MacCallum, Richard Monta…Read more
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41European public advice on nanobiotechnology—four convergence seminarsNanoEthics 3 (1): 43-59. 2009.In order to explore public views on nanobiotechnology (NBT), convergence seminars were held in four places in Europe; namely in Visby (Sweden), Sheffield (UK), Lublin (Poland), and Porto (Portugal). A convergence seminar is a new form of public participatory activity that can be used to deal systematically with the uncertainty associated for instance with the development of an emerging technology like nanobiotechnology. In its first phase, the participants are divided into three “scenario groups…Read more
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25Should Probabilistic Design Replace Safety Factors?Philosophy and Technology 24 (2): 151-168. 2011.Safety is a concern in almost all branches of engineering. Whereas safety was traditionally introduced by applying safety factors or margins to the calculated maximum load, this approach is increasingly replaced with probabilistic risk assessment (PRA) as a tool for dimensioning safety measures. In this paper, the two approaches are compared in terms of what they aim at and what they can, in fact, achieve. The outcome of this comparison suggests that the two approaches should be seen as compleme…Read more
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21Editorial Introduction—25 Years of AGM TheoryJournal of Philosophical Logic 40 (2): 113-114. 2011.
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15A Milestone in the Philosophy of Technology (review)Techné: Research in Philosophy and Technology 17 (3): 368-373. 2013.
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105Selective revisionStudia Logica 63 (3): 331-342. 1999.We introduce a constructive model of selective belief revision in which it is possible to accept only a part of the input information. A selective revision operator ο is defined by the equality K ο α = K * f(α), where * is an AGM revision operator and f a function, typically with the property ⊢ α → f(α). Axiomatic characterizations are provided for three variants of selective revision.
Areas of Specialization
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Areas of Interest
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