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Ludger Jansen
University of Münster
  1.  16
    Calculus CL as a Formal System.Jens Lemanski & Ludger Jansen - 2020 - In Ahti Veikko Pietarinen, Peter Chapman, Leonie Bosveld-de Smet, Valeria Giardino, James Corter & Sven Linker (eds.), Diagrammatic Representation and Inference. Diagrams 2020. Lecture Notes in Computer Science, vol 12169. 2020. 93413 Cham, Deutschland: pp. 445-460.
    In recent years CL diagrams inspired by Lange’s Cubus Logicus have been used in various contexts of diagrammatic reasoning. However, whether CL diagrams can also be used as a formal system seemed questionable. We present a CL diagram as a formal system, which is a fragment of propositional logic. Syntax and semantics are presented separately and a variant of bitstring semantics is applied to prove soundness and completeness of the system.
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  2. Tendencies and Other Realizables in Medical Information Sciences.Ludger Jansen - 2007 - The Monist 90 (4):534-554.
    In order to develop the ontology of tendencies for use in the representation of medical knowledge, tendencies are compared with other kinds of entities possessing the realizable-realization structure, specifically: dispositions, propensities, abilities and virtues. The peculiarities of tendencies are discussed and a standard schema of tendency ascription is developed in order to represent the relations between the ascriptions of tendency tokens to particulars and the ascriptions of tendency types to universals. Two nonstandard cases and their epistemic variants are discussed.
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  3.  31
    Classifications.Ludger Jansen - forthcoming - Applied Ontology: An Introduction.
    It has long been a standard practice for the natural sciences to classify things. Thus, it is no wonder that, for two and a half millennia, philosophers have been reflecting on classifications, from Plato and Aristotle to contemporary philosophy of science. Some of the results of these reflections will be presented in this chapter. I will start by discussing a parody of a classification, namely: the purportedly ancient Chinese classification of animals described by Jorge Luis Borges. I will show that (...)
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  4.  28
    Functions and Kinds of Art Works and Other Artifacts.Amrei Bahr, Massimiliano Carrara & Ludger Jansen - 2019 - Grazer Philosophische Studien 96 (1):1-18.
    Currently, there is not yet a full-fledged philosophical sub-discipline devoted to artifacts. In order to establish such a general philosophical discourse on artifacts, two topics are of special importance: artifact functionality and artifact categorization. Both are central to the question of what artifacts are in general and in particular. This introduction first presents the current state of the art in the debates on functions, both in general and in the domain of artifacts in particular. It then unfolds the three debates (...)
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  5. Aristotle’s Categories.Ludger Jansen - 2007 - Topoi 26 (1):153-158.
    Being an "untimely review", this paper reviews Aristotle's 'Categories' as if they were published today, in the era of computerised information, where categorisation becomes more and more essential for information retrieval. I suggest a systematic ordering of Aristotle's list of categories and argue that Aristotle's discussion of ontological dependency and his focus on concrete entities are still a source of new insight and can indeed be read as a contribution to the emerging field of applied ontology and ontological engineering.
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  6. Unity and Constitution of Social Entities.Ludger Jansen - 2009 - In Ludger Honnefelder & Edmund Runggaldier (eds.), Unity and Time in Metaphysics. de Gruyter. pp. 15-45.
    Is a bank note identical with the piece of paper of which it consists? On the one hand, John Searle, in his reply to Barry Smith, suggests that they are “one and the same object” that is a social or non-social object only under certain descriptions. On the other hand, Lynne Rudder Baker puts forward the claim that bank note and paper are distinct entities that are bound together by the relation of material constitution. I suggest two possible analyses for (...)
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  7. Molecular Interactions. On the Ambiguity of Ordinary Statements in Biomedical Literature.Stefan Schulz & Ludger Jansen - 2009 - Applied Ontology (4):21-34.
    Statements about the behavior of biochemical entities (e.g., about the interaction between two proteins) abound in the literature on molecular biology and are increasingly becoming the targets of information extraction and text mining techniques. We show that an accurate analysis of the semantics of such statements reveals a number of ambiguities that have to be taken into account in the practice of biomedical ontology engineering: Such statements can not only be understood as event reporting statements, but also as ascriptions of (...)
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  8.  20
    Representing Dispositions.Johannes Röhl & Ludger Jansen - 2011 - Journal of Biomedical Semantics 2 (4).
    Dispositions and tendencies feature significantly in the biomedical domain and therefore in representations of knowledge of that domain. They are not only important for specific applications like an infectious disease ontology, but also as part of a general strategy for modelling knowledge about molecular interactions. But the task of representing dispositions in some formal ontological systems is fraught with several problems, which are partly due to the fact that Description Logics can only deal well with binary relations. The paper will (...)
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  9. The Ontology of Tendencies and Medical Information Sciences.Ludger Jansen - 2006 - In Ingvar Johansson, Bertin Klein & Thomas Roth-Berghofer (eds.), WSPI 2006: Contributions to the Third International Workshop on Philosophy and Informatics. pp. 1-14.
    In order to develop the ontology of tendencies for use in the representation of medical knowledge, tendencies are compared with other kinds of entities possessing the realizable-realization-structure, specifically: dispositions, propensities, abilities and virtues. The peculiarities of tendencies are discussed and a standard schema of tendency ascription is developed in order to represent the relations between the ascriptions of tendency tokens to particulars and the ascriptions of tendency types to universals. Two non-standard cases and their epistemic variants are discussed.
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  10. The Diachronic Identity of Social Entities.Ludger Jansen - 2007 - In Kanzian Christian (ed.), Persistence,. Ontos. pp. 49-71.
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  11.  4
    Functions, Malfunctioning, and Negative Causation.Ludger Jansen - 2018 - In Antonio Piccolomini D’Aragona, Martin Carrier, Roger Deulofeu, Axel Gelfert, Jens Harbecke, Paul Hoyningen-Huene, Lara Huber, Peter Hucklenbroich, Ludger Jansen, Elizaveta Kostrova, Keizo Matsubara, Anne Sophie Meincke, Andrea Reichenberger, Kian Salimkhani & Javier Suárez (eds.), Philosophy of Science: Between the Natural Sciences, the Social Sciences, and the Humanities. Springer Verlag. pp. 117-135.
    Functional explanations apply not only in cases of normal functioning, but also in the case of malfunctioning. According to a straightforward analysis, a bearer of the function to F is malfunctioning if and only if it does not F although it should do so. This makes malfunctions and malfunctionings analogous to negative causation and thus peculiarly problematic, because they seem to involve absent dispositions and absent processes. This analysis seems also to require that the function to F cannot be identical (...)
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  12.  34
    Categories: The Top-Level Ontology.Ludger Jansen - 2008 - In Katherine Munn & Barry Smith (eds.), Applied Ontology: An Introduction. Ontos. pp. 173--196.
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  13. Permanent Generic Relatedness and Silent Change.Niels Grewe, Ludger Jansen & Barry Smith - 2016 - In Formal Ontology and Information Systems. CEUR, Vol. 1060. pp. 1-5.
    Given the assertion of a relation between two types, like: “Epidermis has part some Keratinocyte”, we define silent change as any kind of change of the instance-relata of the relation in question that does not change the truth-value of the respective type-level assertion. Such assertions are notoriously difficult to model in OWL 2. To address this problem, we distinguish different modes of type-level relatedness giving rise to this problem and describe a conservative extension to the BFO top-level ontology that allows (...)
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  14. On Ascribing Dispositions.Ludger Jansen - 2007 - In Gnassounou Bruno & Kistler Max (eds.), Dispositions and Causal Powers. Ashgate. pp. 161-177.
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  15.  38
    A Plural Subject Approach to the Responsibilities of Groups and Institutions.Ludger Jansen - 2014 - Midwest Studies in Philosophy 38 (1):91-102.
    Margaret Gilbert has defended the claim that her plural subject theory can give a reasonable account of retrospective (or backward-looking) collective responsibility. On one occasion, publishing in this periodical, she writes that she deliberately left out the discussion of prospective (or forward-looking) collective responsibility, or the “responsibilities” of a collective. In the present paper, I want to show that plural subject theory, in fact, also allows accounting for prospective responsibilities of groups and institutions. In order to do so, I will (...)
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  16. Institutionen und die kategoriale Ontologie.Ludger Jansen - 2005 - In Gerhard Schönrich (ed.), Institutionen und ihre Ontologie. Ontos. pp. 45-57.
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  17. Dispositions, Laws, and Categories.Ludger Jansen - 2007 - Metaphysica 8 (2):211-220.
    After a short sketch of Lowe’s account of his four basic categories, I discuss his theory of formal ontological relations and how Lowe wants to account for dispositional predications. I argue that on the ontic level Lowe is a pan-categoricalist, while he is a language dualist and an exemplification dualist with regard to the dispositional/categorical distinction. I argue that Lowe does not present an adequate account of disposition. From an Aristotelian point of view, Lowe conflates dispositional predication with hôs epi (...)
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  18. Aristoteles’ Kategorie des Relativen Zwischen Dialektik Und Ontologie.Ludger Jansen - 2006 - Philosophie­Geschichte Und Logische Analyse 9.
    Like the doctrine of the categories in general, Aristotle’s category of the relative fulfils disparate functions: On the one hand, the category of the pros ti fulfils a dialectic or logical function that aims at the avoidance of fallacies. On the other hand, the category respects the peculiar mode of being of the relative. Taking these two different functions into consideration helps with the interpretation of Aristotle’s two definitions of the relative and his treatment of the properties of the relative (...)
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  19. Staatliche Toleranz und staatliche Wertorientierung.Ludger Jansen - 2006 - In Starck Christian (ed.), Wo hört die Toleranz auf? Wallstein. pp. 20-62.
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  20. Aristoteles’ Kategorie des Relativen zwischen Dialektik und Ontologie.Ludger Jansen - 2006 - History of Philosophy & Logical Analysis 9.
    Like the doctrine of the categories in general, Aristotle’s category of the relative fulfils disparate functions: On the one hand, the category of the pros ti fulfils a dialectic or logical function that aims at the avoidance of fallacies. On the other hand, the category respects the peculiar mode of being of the relative. Taking these two different functions into consideration helps with the interpretation of Aristotle’s two definitions of the relative and his treatment of the properties of the relative (...)
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  21. Konstitution Und Dauer Sozialer Kontinuanten.Ludger Jansen - 2011 - In Gerhard Schönrich & Pedro Schmechtig (eds.), Persistenz – Indexikalität – Zeit­erfahrung. Ontos. pp. 103-128.
    The constituents of social entities (and of social continuants in particular) determine whether or not a social thing comes to be, persists and perishes. John Searle hints at two very different accounts for the persistence of social entities, a mere past related account and an acceptance theoretic account, whereas Margaret Gilbert's account is based on deontic entities like obligations or joint commitments. I demonstrate that Gilbert's account can also accommodate Searle's examples. While oblivion, protests or violence can be historical causes (...)
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  22. The Ship of Theseus.Ludger Jansen - 2011 - In Michael Bruce & Steven Barbone (eds.), Just the Arguments: 100 of the Most Important Arguments in Western Philosophy. Wiley-Blackwell.
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  23. Dispositionen und ihre Realität.Ludger Jansen - 2004 - In Christoph Halbig & Suhm Christian (eds.), Was ist wirklich? Neuere Beiträge zu philosophischen Rea­lismusdebatten. Ontos. pp. 117-137.
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  24. Attribuer des dispositions.Ludger Jansen - 2007 - In Kistler Max & Gnassounou Bruno (eds.), Les Dispositions en philosophie et en sciences. Presses Universitaires de France. pp. 89-106.
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  25.  9
    Analytische Sozialontologie.Ludger Jansen - 2010 - Dissertation,
    This is my habilitation thesis that has now been published under the title "Gruppen und Institutionen. Eine Ontologie des Sozialen" with Springer VS.
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  26.  28
    Grains, Components and Mixtures in Biomedical Ontologies.Ludger Jansen & Schulz Stefan - 2011 - Journal of Biomedical Semantics 2 (4).
    BACKGROUND -/- In biomedical ontologies, mereological relations have always been subject to special interest due to their high relevance in structural descriptions of anatomical entities, cells, and biomolecules. This paper investigates two important subrelations of has_proper_part, viz. the relation has_grain, which relates a collective entity to its multiply occurring uniform parts (e.g., water molecules in a portion of water), and the relation has_component, which relates a compound to its constituents (e.g., molecules to the atoms they consist of). -/- METHOD -/- (...)
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  27.  15
    Dispositions, Laws, and Categories A Critical Study of E. J. Lowe’s The Four-Category Ontology.Ludger Jansen - 2007 - Metaphysica 8 (2):211-220.
    After a short sketch of Lowe's account of his four basic categories, I discuss his theory of formal ontological relations and how Lowe wants to account for dispositional predications. I argue that on the ontic level Lowe is a pan-categoricalist, while he is a language dualist and an exemplification dualist with regard to the dispositional/categorical distinction. I argue that Lowe does not present an adequate account of disposition. From an Aristotelian point of view, Lowe conflates dispositional predication with 'hôs epi (...)
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  28. Liste der Autoren List of Contributors.Jose L. Bermiidez, Nino Cocchiarella, Dirk Greimann, Leila Haaparanta, Ludger Jansen, Dale Jacquette, Reinhard Kahle, Franz von Kutschera, Wolfgang Neuser & Priv Doz Dr Christof Rapp - 2001 - History of Philosophy & Logical Analysis 4:239.
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  29.  14
    Philosophy of Science: Between the Natural Sciences, the Social Sciences, and the Humanities.Antonio Piccolomini D’Aragona, Martin Carrier, Roger Deulofeu, Axel Gelfert, Jens Harbecke, Paul Hoyningen-Huene, Lara Huber, Peter Hucklenbroich, Ludger Jansen, Elizaveta Kostrova, Keizo Matsubara, Anne Sophie Meincke, Andrea Reichenberger, Kian Salimkhani & Javier Suárez (eds.) - 2018 - Springer Verlag.
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  30. In Silico Approaches and the Role of Ontologies in Aging Research.Georg Fuellen, Melanie Börries, Hauke Busch, Aubrey de Grey, Udo Hahn, Thomas Hiller, Andreas Hoeflich, Ludger Jansen, Georges E. Janssens, Christoph Kaleta, Anne C. Meinema, Sascha Schäuble, Paul N. Schofield, Barry Smith & Others - 2013 - Rejuvenation Research 16 (6):540-546.
    The 2013 Rostock Symposium on Systems Biology and Bioinformatics in Aging Research was again dedicated to dissecting the aging process using in silico means. A particular focus was on ontologies, as these are a key technology to systematically integrate heterogeneous information about the aging process. Related topics were databases and data integration. Other talks tackled modeling issues and applications, the latter including talks focussed on marker development and cellular stress as well as on diseases, in particular on diseases of kidney (...)
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  31. Reading for the Good Life?Katharina Hanel & Ludger Jansen - 2001 - In Angela Kallhoff (ed.), Martha C. Nussbaum: Ethics and Political Philosophy: Lecture and Colloquium in Münster 2000. Distributed in North America by Transaction Publishers. pp. 4--119.
  32. Are Aristotle's Energeiai States or Events?Ludger Jansen - 1997 - In Georg Meggle (ed.), Analyomen 2. Pro­cee­dings of the 2nd Conference „Perspectives in Analytical Philosophy". Berlin: de Gruyter. pp. 369-375.
    In 'Metaphysics IX.6' (1048b 18-35) Aristotle presents a test to distinguish between "kinesis" and "energeia," based on relations between the perfective and the imperfective aspect of the verb. This passage has been interpreted as drawing a linguistic distinction between classes of verbs (e.g., stative verbs) by means of a linguistic criterion (Ackrill, Graham). But such an interpretation is in conflict with the text. Aristotle's test must, therefore, be understood as a metaphysical criterion between items in the world (rather than lingual (...)
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  33. Andreas Diekmann/Thomas Voss (Hgg.), Rational-Choice-Theorie in den Sozial­Wissen­Schaften. Anwendungen Und Probleme. [REVIEW]Ludger Jansen - 2009 - Philosophisches Jahrbuch 116 (116):230.
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  34. Aristoteles’ Kategorie des Relativen zwischen Dialektik und Ontologie.Ludger Jansen - 2006 - History of Philosophy & Logical Analysis 9 (1):79-104.
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  35.  5
    Aristoteles’ Kategorienschrift: Formalontologische Ressourcen für die Biologie.Ludger Jansen - forthcoming - In Gottfried Heinemann & Rainer Timme (eds.), Aristoteles und die heutige Biologie.
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  36. Artefact Kinds Need Not Be Kinds of Artefacts.Ludger Jansen - 2013 - In Christer Svennerlind, Jan Almäng & Rögnvaldu Ingthorsson (eds.), Johanssonian Investigations. Essays in Honour of Ingvar Johansson on His Seventieth Birthday. Ontos. pp. 317-337.
    This paper questions the widespread supposition that artifact kinds are kinds of artifacts. I will argue that this supposition rests on a one-sided diet of examples taken from inanimate physical things and the neglect of social and biological artifacts. I will argue that belonging to an artifact kind and being an artifact are independent Features: The first divides off artifacts from non-artifacts, the second rests on the distinction between instances of artifacts kinds and instances of natural kinds. I claim that (...)
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  37. Amin Maalouf, In the Name of Identity. Violence and the Need to Belong. [REVIEW]Ludger Jansen - 2002 - Meta­Psychology 6.
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  38. A messy world? No limit for science!Ludger Jansen - 1999 - In Matthias Paul (ed.), Nancy Cartwright: Laws, Capa­cities and Science. LIT-Verlag. pp. 62-66.
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  39. Aristotle's Theory of Dispositions From the Principle of Movement to the Unmoved Mover.Ludger Jansen - 2009 - In Gregor Damschen, Robert Schnepf & Karsten Stueber (eds.), Debating Dispositions. Issues in Metaphysics, Epistemology and Philosophy of Mind. de Gruyter. pp. 24-46.
    No one influenced and shaped our thinking about dispositions and causal properties more than Aristotle. What he wrote about power (dynamis), nature (physis) and habit (hexis) has been read, systematised and criticised again and again during the history of philosophy. In this chapter I sketch Aristotle's thoughts about dispositions and argue that his theory can still be regarded as a good one.
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  40. Alles Schlußstrich?: Eine philosophische Auseinandersetzung mit Martin Walsers Friedenspreisrede.Ludger Jansen - 2005 - Theologie Und Philosophie 80 (3):412-22.
    This paper undertakes a philosophical analysis of the speech given by the German writer Martin Walser when the Peace Prize of the German Book Trade was awarded to him in 1998. I reconstruct Walser's infamous claims about the Holocaust and his critique against its presence in the media and discuss Walser's proclamation of a right for disregarding his claims about German normality and his views about private commemoration.
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  41.  87
    Aristoteles und das Problem des Neuen: Wie kreativ sind Veränderungsprinzipien?Ludger Jansen - 2005 - In Günther Abel (ed.), Kreativität. Universitätsverlag der TU. pp. 15-25.
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  42.  44
    Being a Community and Being in Community On Hans Bernhard Schmid’s Study of We-Intentionality. [REVIEW]Ludger Jansen - 2007 - Metaphysica 8 (1):101-109.
  43.  88
    Biomedizinische Ontologie: Wissen Strukturieren Für den Informatik-Einsatz.Ludger Jansen & Barry Smith (eds.) - 2008 - Zürich: Vdf Hochschulverlag.
    Dieses Buch betritt Neuland. Es ist eine Einführung in das neue Gebiet der angewandten Ontologie, jenem multidisziplinären Arbeitsgebiet, in dem Philosophen gemeinsam mit Informatikern und Vertretern der jeweils thematischen Wissenschaftsbereiche, in unserem Fall mit Biologen und Medizinern, daran arbeiten, wissenschaftliches Wissen informationstechnisch zu repräsentieren. Es zeigt, wie Philosophie eine praktische Anwendung findet, die von zunehmender Wichtigkeit nicht nur in den heutigen Lebenswissenschaften ist. Und so richtet sich dieses Buch an Philosophen, aber auch an interessierte Biologen, Mediziner und Informatiker.
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  44.  4
    Beyond the Ultimate. Methodological Atomism, Methodological Holism, and Explanations.Ludger Jansen - 2011 - In Christian Kanzian, Winfried Loeffler & Josef Quitterer (eds.), The Ways Things Are. Studies in Ontology. Ontos. pp. 57-71.
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  45.  15
    Constructed Reality.Ludger Jansen - 2017 - In Katharina Neges, Josef Mitterer, Sebastian Kletzl & Christian Kanzian (eds.), Realism - Relativism - Constructivism: Proceedings of the 38th International Wittgenstein Symposium in Kirchberg. De Gruyter. pp. 255-268.
    A popular argument goes thus: This is a construction, hence it is not real. Adding an appropriate adjective (social, mental, human, …) in front of “construction” or cognate terms like “(legal) fiction” yields a whole family of related arguments, all of which, or so I will argue, are fallacious. Contrary to popular opinion, these arguments fail both on the epistemic and the ontic sense of construction. Ontic constructions exist at least at one point in time, while epistemic constructions may well (...)
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  46. Christoph Rapp, Aristoteles, Rhetorik. [REVIEW]Ludger Jansen - 2004 - Archiv für Geschichte der Philosophie:329-333.
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  47.  3
    Christian Schäfer, Martin Thurner (Hgg.), Mittelalterliches Denken. [REVIEW]Ludger Jansen - 2008 - H-Soz-U-Kult 1.
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  48. Chinesische Tiere Und Biomedizinische Datenbanken. Logische Und Technische Bedingungen Wissenschaftlicher Klassifikationen.Ludger Jansen - 2008 - In Helen Bohse & Sven Walter (eds.), Ausgewählte Sektionsbeiträge der GAP.6. Sechster Internationaler Kongress der Gesellschaft für Analytische Philosophie. Mentis.
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  49. Dispositions. [REVIEW]Ludger Jansen - 2000 - Zeitschrift für Philosophische Forschung 54 (2).
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  50. Die Ontologie des Geschlechts.Ludger Jansen - 2009 - In Hella Ehlers, Beate Rudlof, Heike Trappe, Gabriele Linke & Heike Kahlert (eds.), Geschlechterdifferenz – und kein Ende? Sozial- und geisteswissenschaftliche Beiträge zur Genderforschung. LIT-Verlag. pp. 19-39.