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  1. The Logic of Necessity in Aristotle--an Outline of Approaches to the Modal Syllogistic, Together with a General Account of de dicto - and de re -Necessity.Ulrich Nortmann - 2002 - History and Philosophy of Logic 23 (4):253-265.
    This article investigates the prospect of giving de dicto- and de re-necessity a uniform treatment. The historical starting point is a puzzle raised by Aristotle's claim, advanced in one of the modal chapters of his Prior Analytics, that universally privative apodeictic premises simply convert. As regards the Prior and the Posterior Analytics, the data suggest a representation of propositions of the type in question by doubly modally qualified formulae of modal predicate logic that display a necessity operator in two distinct (...)
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  • (1 other version)Warum man essentialist sein Kann – eine logische konstruktion im schnittfeld Von sprache, ontologie und naturwissenschaft.Ulrich Nortmann - 2002 - Erkenntnis 57 (1):1-39.
    Essentialism is, on the one hand, anchored with considerable firmness in a common sense picture of the world. On the other hand, it was dismissed for logico-philosophical reasons by a scientifically minded theorist like Quine. ``New essentialists'' like Kripke did engage in very profitable theorizing on an essentialist basis, but made no significant effort to investigate the prospects of imparting to an essentialist metaphysics a solid foundation within a scientific world view. These foundational prospects are the concern of the article. (...)
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