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30Bootstrap 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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709Som 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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67A 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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53Should Probabilistic Design Replace Safety Factors?Philosophy and Technology 24 (2): 151-168. 2011.Should Probabilistic Design Replace Safety Factors? Content Type Journal Article Pages 151-168 DOI 10.1007/s13347-010-0003-6 Authors Neelke Doorn, Department of Technology, Policy and Management, Delft University of Technology, PO Box 5015, 2600 GA Delft, The Netherlands Sven Ove Hansson, Department of Philosophy and the History of Technology, Royal Institute of Technology, Teknikringen 78 B, 100 44 Stockholm, Sweden Journal Philosophy & Technology Online ISSN 2210-5441 Print ISSN 2210-5433 Jour…Read more
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55Blockage ContractionJournal of Philosophical Logic 42 (2): 415-442. 2013.Blockage contraction is an operation of belief contraction that acts directly on the outcome set, i.e. the set of logically closed subsets of the original belief set K that are potential contraction outcomes. Blocking is represented by a binary relation on the outcome set. If a potential outcome X blocks another potential outcome Y, and X does not imply the sentence p to be contracted, then Y ≠ K ÷ p. The contraction outcome K ÷ p is equal to the (unique) inclusion-maximal unblocked element of t…Read more
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14A Plea for AccuracyJournal of Applied Non-Classical Logics 8 (3): 221-224. 1998.ABSTRACT In his paper ?On Having Bad Contractions, Or: No Room for Recovery? [Te97], N. Tennant attacks the AGM research program of belief revision. We show that he misrepresents the state of affairs in this field of research
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50Crop Biotechnology for the Environment?Journal of Agricultural and Environmental Ethics 26 (4): 759-770. 2013.In public debates, agricultural biotechnology is almost invariably discussed as a potential threat to the environment and to human health. Without downplaying the risks associated with this technology we emphasize that if properly regulated, it can be a forceful tool to solve environmental problems and promote human health. Agricultural biotechnology can reduce environmental problems in at least three ways: it can diminish the need for environmentally damaging agricultural practices such as pest…Read more
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A Note On Anti-cyclic Properties Of Complete Binary RelationsReports on Mathematical Logic 41-44. 1993.A simplified notation is introduced for transitivity and related properties of binary relations. Interrelations of such properties can be proved in a facilitated way with manipulation-rules that the new notation makes possible.
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75Belief contraction without recoveryStudia Logica 50 (2). 1991.The postulate of recovery is commonly regarded to be the intuitively least compelling of the six basic Gärdenfors postulates for belief contraction. We replace recovery by the seemingly much weaker postulate of core-retainment, which ensures that if x is excluded from K when p is contracted, then x plays some role for the fact that K implies p. Surprisingly enough, core-retainment together with four of the other Gärdenfors postulates implies recovery for logically closed belief sets. Reasonable …Read more
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