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Ludger Jansen
Ruhr-Universität Bochum
  1. 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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  2. Aristotle's Categories.Ludger Jansen - 2007 - Topoi 26 (1):153-158.
  3. 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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  4. 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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  5. 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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  6. Planners, Deciders, Performers. Aristotelian Reflections on the Ontology of Agents and Actions.Ludger Jansen - 2003 - In Christian Kanzian, Josef Quitterer & Edmund Runggaldier (eds.), Persons. An Interdisciplinary Approach. öbv & hpt. pp. 208-215.
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  7. Who has Got Our Group-Intentions?Ludger Jansen - 2004 - In Johann C. Marek & Maria E. Reicher (eds.), Erfahrung und Analyse. Beiträge des 27. Internationalen Wittgenstein-Sym­posiums. ILWG. pp. 151-153.
    There are group-actions, and if actions are intentional, there should also be group-intentions. Who has got these intentions? The groups? This seems to be the natural answer. But then: Groups do not have a mind or brain of there own to form any mental attitude. Different kinds of individualistic analyses of group-intentions have been suggested in the literature. On the one hand there are suggestions to reduce group intentions to a complex of different Iattitudes. John Searle, on the other hand, (...)
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  8.  23
    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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  9. 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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  10.  69
    Tendencies and Other Realizables in Medical Information Sciences.Ludger Jansen - 2007 - The Monist 90 (4):534-554.
  11. Die Wahrheit der Geschichte und die Tugenden des Historikers.Ludger Jansen - 2008 - Zeitschrift für Philosophische Forschung 62 (4):471-491.
    Zuweilen werden der Geschichtsschreibung der Wissenschaftscharakter und historischen Aussagen die Wahrheitsfähigkeit abgesprochen. Ich werde erstens zeigen, dass Aussagen über Vergangenes nicht nur wahrheitsfähig sind, sondern dass einige Aussagen über Vergangenes tatsächlich wahr sind. Zweitens argumentiere ich dafür, dass weder die Gebundenheit an Quellen und die Möglichkeit des Irrtums, noch die Zeit- und Standortgebundenheit historischer Aussagen und eine eventuelle Werthaltigkeit historischer Urteile eine zwingende Gefahr für den Wissenschaftscharakter der Geschichtsschreibung sind. Sie stellen aber besondere Ansprüche an die wissenschaftlichen Tugenden, die ein (...)
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  12.  92
    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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  13. Was Hat der Inkarnierte Logos MIT Aristoteles Zu Tun? Thomas von Aquins Gebrauch der Philo­Sophie in der Auslegung des Johannesprologs Und Eine ‚Holistische‘ Interpretation Seiner Schrifthermeneutik.Ludger Jansen - 2000 - Theologie Und Philosophie 80.
    Taking Thomas Aquinas's interpretation of the prologue of St John's gospel (in his Lectura super loannem Evangelium) as example, I first discuss eight differences between medieval biblical interpretation and modern exegesis, especially Aquinas's frequent use of philosophical opinions in interpreting the Bible, taken mostly from Aristotle. Second, I account for these differences by reconstructing Aquinas's hermeneutics, hinging, as is shown, upon the assumption that scripture was authored by God infallible and, therefore, only contains true statements. From this starting point Aquinas (...)
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  14. The Diachronic Identity of Social Entities.Ludger Jansen - 2007 - In Kanzian Christian (ed.), Persistence,. Ontos. pp. 49-71.
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  15.  86
    Institutionen und die kategoriale Ontologie.Ludger Jansen - 2005 - In Gerhard Schönrich (ed.), Institutionen und ihre Ontologie. Ontos. pp. 45-57.
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  16. The so-Called Materially Valid Inferences and the Logic of Concepts.Ludger Jansen & Niko Strobach - 2003 - In Foundations of The Formal Sciences II. Applications of Mathematical Logic in Philosophy and Linguistics [Trends in Logic]. Kluwer Academic Publishers. pp. 113-118.
    The so-called materially valid inferences have come to new prominence through the work of Robert Brandom. This paper introduces a fragment of a logic of concepts that does not reduce concepts to their extensions. Concept logic and ist semantics allow us to represent the conceptual knowledge used in material inferences and thus suggests a way to deal with them.
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  17. Die Struktur der Substanz bei Thomas von Aquin.Ludger Jansen - 2008 - In Antonella Balestra, Holger Gutschmidt & Gianluigi Segalerba (eds.), Substantia – Sic et Non. Eine Geschichte des Substanzbegriffs von der Antike bis zur Gegenwart in Einzelbeiträgen. Ontos. pp. 181-209.
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  18. Split-Case Arguments About Personal Identity.Ludger Jansen - 2011 - In Michael Bruce & Steven Barbone (eds.), Just the Arguments: 100 of the Most Important Arguments in Western Philosophy. Wiley-Blackwell.
  19.  4
    Dispositions, Laws, and Categories A Critical Study of E. J. Lowe’s The Four-Category Ontology.Ludger Jansen - 2007 - Metaphysica 8 (2):211-220.
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  20.  57
    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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  21. Zeit und Gemeinschaft. Soziale Geschichtlichkeit und geschichtliche Sozialität.Ludger Jansen - 2005 - In Friedrich Stadler & Michael Stöltzner (eds.), Zeit und Geschichte. Beiträge des 28. Internationalen Wittgenstein-Sym­posiums. ILWG. pp. 117-120.
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  22. 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.
  23. Ulf Hedetoft, Mette Hjort (Hgg.), The Postnational Self. Belonging and Identity. [REVIEW]Ludger Jansen - 2004 - Meta­Psychology 7.
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  24.  46
    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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  25. Thomas von Aquin liest Maimonides. Eine argumentationstheoretische Analyse.Ludger Jansen - 2004 - Kirche Und Israel 19.
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  26.  96
    We, They, You. Persons in the Plural.Ludger Jansen - 2004 - In Roland Bluhm & Christian Nimtz (eds.), Selected Papers Contributed to the Sections of GAP.5. Mentis. pp. 471-491.
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  27. Kwame Anthony Appiah, The Ethics of Identity. [REVIEW]Ludger Jansen - 2005 - Metapsychology 9.
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  28.  98
    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.
  29.  93
    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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  30.  94
    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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  31.  82
    Sind nichtsequentielle mentale Aktivitäten möglich? Zu Kretzmanns und Stumps Ver­tei­di­gung der Ewigkeitsdefinition des Boethius.Ludger Jansen - 1999 - In Gerhard Leibold & Winfried Löffler (eds.), Vor­trä­ge des 5. Kongresses der ÖGP. Teil 2: Entwicklungslinien mittelalterlicher Philosophie. Hölder-Pichler-Tempsky. pp. 232-245.
  32.  82
    Niko Strobach, The Moment of Change. [REVIEW]Ludger Jansen - 2001 - Philosophiegeschichte Und Logische Analyse 4:205-211.
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  33.  37
    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.
  34.  66
    Jeffrey S. Siker, Scripture and Ethics. Twentieth-Century Portraits. [REVIEW]Ludger Jansen - 1999 - Zeitschrift für Medi­Zi­Nische Ethik (45):85-87.
    This is a review of Siker's book, evaluating the use of scripture and biblical references by important authors in theological ethics.
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  35.  87
    On Ascribing Dispositions.Ludger Jansen - 2007 - In Gnassounou Bruno & Kistler Max (eds.), Dispositions and Causal Powers. Ashgate. pp. 161-177.
  36.  87
    Aristotles Theory of Dispositions. From the Principle of Movement to the Unmoved Mover.Ludger Jansen - 2009 - In Gregor Damschen, Robert Schnepf & Karsten R. Stüber (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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  37.  65
    Alles Schlußstrich?: Eine philosophische Auseinandersetzung mit Martin Walsers Friedenspreisrede.Ludger Jansen - 2005 - Theologie Und Philosophie 80 (3).
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  38.  18
    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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  39.  61
    Sind Vermögensprädikationen Modalaussagen?Ludger Jansen - 2000 - In Ontologie der Modalitäten. pp. 179-193.
    Aristoteles unterscheidet zwischen zwei Arten, das Wort „dynaton" zu gebrauchen. Die erste dieser beiden Verwendungsweisen dient zur Zuschreibung von Vermögen (dynaton kata dynamin), die zweite entspricht unserer Verwendung des logisch-alethischen Modaloperators „Es ist möglich, dass" (dynaton ou kata dynamin). Ich argumentiere dafür, dass wichtige Unterschiede zwischen Vermögensprädikationen und Modalaussagen bestehen. Ich nenne mehrere Gründe dafür, dass Vermögensprädikationen keine Modalaussagen sind, zeige aber auch, dass Vermögensprädikationen zwei modale Elemente haben: Sie implizieren erstens nichttriviale Modalaussagen, weil es keine Vermögen für Unmögliches gibt. (...)
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  40.  22
    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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  41.  70
    Lmn-2 Interacts with Elf-2. On the Meaning of Common Statements in Biomedical Literature.Stefan Schulz & Ludger Jansen - 2006 - In KR-MED 2006 – Biomedical Ontology in Action. Proceedings of the 2nd International Workshop on Formal Knowledge Representation. MD. pp. 37-45.
    Statements about the behavior of biological 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 is necessary to take into account in the practice of biomedical ontology engineering. Several concurring formalizations are proposed. Emphasis is laid on the discussion of biological dispositions.
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  42.  70
    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". de Gruyter. pp. 369-375.
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  43.  98
    Die Unzulänglichkeit von Richard Swinburnes Versuch, die Existenz einer Seele modallogisch zu beweisen.Ludger Jansen & Niko Strobach - 1999 - Zeitschrift für Philosophische Forschung 53 (2):268 - 277.
    Die Zeiten, in denen der Leib-Seele-Dualismus als Ansatz der Philosophie des Geistes durch ein herrschendes Dogma als diskussionsunwürdig galt, sind vorbei. Der Dualismus darf wieder diskutiert werden. Er muß diskutiert werden, wenn in diskussionswürdiger Strenge für ihn argumentiert wird – auch wenn das, wie sich zeigen wird, manchmal ein ziemlich technisches Geschäft ist. In diesem Sinne soll im folgenden Richard Swinburnes Versuch behandelt werden, die Existenz einer Seele und damit die Wahrheit des Substanzdualismus aus einigen zunächst recht unspektakulär aussehenden Prämissen (...)
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  44.  54
    Moderne Moral?Ludger Jansen & Niko Strobach - 1997 - In Marcus Willashek (ed.), Ernst Tu­gend­hat: Moral­begründung und Gerechtigkeit,. LIT-Verlag. pp. 55-61.
    This paper discusses Tugendhat's project of a "modern ethics" (moderne Moral) in contrast to "traditional ethics" (traditionelle Moral). We argue that this distinction is not as clear cut as Tugendhat would like it to be, and that Tugendhat's modern ethics shares important features with traditional ethics.
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  45.  64
    It’s Chicken and Eggs Again: Vagueness, Quasi-Species, and Evolution.Ludger Jansen - 2006 - Conceptus: Zeitschrift Fur Philosophie 36 (89):71-77.
    Wether the chicken or the egg came first, is not only a mind-boggling but a substantial question. Its answer depends on the biological background theory one assumes. I review recent work on the topic (by Teichmann, Sorensen, Waller and Raatzsch) and resolve some of the disputes between these authors by borrowing from Aristotle the distinction between chicken-producing eggs. I then introduce the concept of a quasi-species to make explicit the vagueness involved in species-terms and prove 13 different priority-claims within a (...)
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  46.  50
    Personen im Plural.Ludger Jansen - 2005 - In Michael Kober (ed.), Soziales Handeln. Beiträge zu einer Philosophie der 1. Person Plural. Humboldt-Studien­zentrum. pp. 27-42.
    Es gibt Staaten und Fußballmannschaften, Fakultäten und Punkbands. Und mansollte meinen, daß diese Entitäten etwas gemeinsam haben, daß sie zu ein und derselben ontologischen Kategorie gehören. Und daß sie sich unterscheiden von Elektronen, Tischen, Grizzlybären, einem Zehn-Euro-Schein, dem neuen Präsidenten, der Amtseinführung des neuen Präsidenten und der Tatsache, daß ich einen Vortrag halte. Mein Ziel ist es, zu zeigen, daß die Kategorie, die alle Beispiele der ersten Gruppe umfaßt, aber keines der zweiten Gruppe, die Kategorie der vereinten Pluralpersonen ist. Um (...)
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  47.  2
    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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  48.  58
    Christoph Rapp, Aristoteles, Rhetorik. [REVIEW]Ludger Jansen - 2004 - Archiv für Geschichte der Philosophie:329-333.
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  49.  6
    Aristoteles’ Kategorie des Relativen zwischen Dialektik und Ontologie.Ludger Jansen - 2006 - Logical Analysis and History of Philosophy 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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  50. 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 - Logical Analysis and History of Philosophy 4:239.
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