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Profile: Jan Heylen (Katholieke Universiteit Leuven)
  1. Lorenz Demey & Jan Heylen (2013). Syntactical Treatment of Modalities, 6 February. The Reasoner 7 (4):45-45.
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  2. Jan Heylen (2013). Modal-Epistemic Arithmetic and the Problem of Quantifying In. Synthese 190 (1):89-111.
    The subject of this article is Modal-Epistemic Arithmetic (MEA), a theory introduced by Horsten to interpret Epistemic Arithmetic (EA), which in turn was introduced by Shapiro to interpret Heyting Arithmetic. I will show how to interpret MEA in EA such that one can prove that the interpretation of EA is MEA is faithful. Moreover, I will show that one can get rid of a particular Platonist assumption. Then I will discuss models for MEA in light of the problems of logical (...)
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  3. Jan Heylen (2010). Carnap's Theory of Descriptions and its Problems. Studia Logica 94 (3):355-380.
    Carnap’s theory of descriptions was restricted in two ways. First, the descriptive conditions had to be non-modal. Second, only primitive predicates or the identity predicate could be used to predicate something of the descriptum . The motivating reasons for these two restrictions that can be found in the literature will be critically discussed. Both restrictions can be relaxed, but Carnap’s theory can still be blamed for not dealing adequately with improper descriptions.
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  4. Jan Heylen (2010). Descriptions and Unknowability. Analysis 70 (1):50-52.
  5. Jan Heylen (2007). Bremmer, R., Ten Kate, L., Warrink, E.(red.), Encyclopedie van de Filosofie. Van de Oudheid tot vandaag. Termen, begrippen, namen en stromingen. Amsterdam, Boom, 2007. [REVIEW] Algemeen Nederlands Tijdschrift Voor Wijsbegeerte 99 (4):313-315.
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  6. Jan Heylen (2007). Gerecenseerde Werken-Boekbesprekingen-Rescher, N., Cognitive Harmony. Tijdschrift Voor Filosofie 69 (1):165.
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  7. Jan Heylen (2007). Nicholas Rescher, Cognitive Harmony. The Role of Systemic Harmony in the Constitution of Knowledge. Pittsburgh (PA), University of Pittsburgh Press, 2005. Tijdschrift Voor Filosofie 69 (2):373-374.
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  8. Jan Heylen (2007). Nicholas Rescher, Realism and Pragmatic Epistemology. Pittsburgh (PA), University of Pittsburgh Press, 2005. Tijdschrift Voor Filosofie 69 (1):162-164.
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  9. Jan Heylen (2006). Nicholas Rescher, Epistemic Logic. A Survey of the Logic of Knowledge. Pittsburgh, University of Pittsburgh Press, 2005. [REVIEW] Tijdschrift Voor Filosofie 68 (3):644-646.
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  10. Jan Heylen & Leon Horsten (2006). Strict Conditionals: A Negative Result. Philosophical Quarterly 56 (225):536–549.
    Jonathan Lowe has argued that a particular variation on C.I. Lewis' notion of strict implication avoids the paradoxes of strict implication. We show that Lowe's notion of implication does not achieve this aim, and offer a general argument to demonstrate that no other variation on Lewis' notion of constantly strict implication describes the logical behaviour of natural-language conditionals in a satisfactory way.
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  11. Jan Heylen (2004). Lieven Decock, Trading Ontology for Ideology. The Interplay of Logic, Set Theory and Semantics in Quine's Philosophy (Synthese Library, Vol. 313). Dordrecht, Kluwer Academic Publishers, 2002. [REVIEW] Tijdschrift Voor Filosofie 66 (2):370-371.
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