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  1. Logic, Essence, and Modality — Review of Bob Hale's Necessary Beings. [REVIEW]Christopher Menzel - 2015 - Philosophia Mathematica 23 (3):407-428.
    Bob Hale’s distinguished record of research places him among the most important and influential contemporary analytic metaphysicians. In his deep, wide ranging, yet highly readable book Necessary Beings, Hale draws upon, but substantially integrates and extends, a good deal his past research to produce a sustained and richly textured essay on — as promised in the subtitle — ontology, modality, and the relations between them. I’ve set myself two tasks in this review: first, to provide a reasonably thorough (if not (...)
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  • Canonical Counterpart Theory.Graeme Forbes - 1982 - Analysis 42 (1):33 - 37.
    In a recent article in Analysis, Graeme Hunter and William Seager (1981) attempt to rescue counterpart theory (CT) from some objections of Hazen 1979. They see these objections as arising from ‘uncritical use of the translation scheme originally proposed by Lewis’, and intend to meet them by refraining from use of that scheme. But they do not offer a new scheme; they say ‘…it is no more necessary to have one to capture the sense of modal idiom than it is (...)
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  • Modal Science.Timothy Williamson - 2016 - Canadian Journal of Philosophy 46 (4-5):453-492.
    This paper explains and defends the idea that metaphysical necessity is the strongest kind of objective necessity. Plausible closure conditions on the family of objective modalities are shown to entail that the logic of metaphysical necessity is S5. Evidence is provided that some objective modalities are studied in the natural sciences. In particular, the modal assumptions implicit in physical applications of dynamical systems theory are made explicit by using such systems to define models of a modal temporal logic. Those assumptions (...)
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  • Vagueness and Modality.Jon Erling Litland & Juhani Yli-Vakkuri - 2016 - Philosophical Perspectives 30 (1):1-39.
    How does vagueness interact with metaphysical modality and with restrictions of it, such as nomological modality? In particular, how do definiteness, necessity (understood as restricted in some way or not), and actuality interact? This paper proposes a model-theoretic framework for investigating the logic and semantics of that interaction. The framework is put forward in an ecumenical spirit: it is intended to be applicable to all theories of vagueness that express vagueness using a definiteness (or: determinacy) operator. We will show how (...)
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  • Modal Set Theory.Christopher Menzel - forthcoming - In Otávio Bueno & Scott Shalkowski (eds.), The Routledge Handbook of Modality. London and New York: Routledge.
    This article presents an overview of the basic philosophical motivations for, and some recent work in, modal set theory.
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  • Actuality for Counterpart Theorists.Jeffrey Sanford Russell - 2013 - Mind 122 (485):85-134.
    The counterpart theorist has a problem: there is no obvious way to understand talk about actuality in terms of counterparts. Fara and Williamson have charged that this obstacle cannot be overcome. Here I defend the counterpart theorist by offering systematic interpretations of a quantified modal language that includes an actuality operator. Centrally, I disentangle the counterpart relation from a related notion, a ‘representation relation’. The relation of possible things to the actual things they represent is variable, and an adequate account (...)
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  • On Where Things Could Be.Jeffrey Sanford Russell - 2014 - Philosophy of Science 81 (1):60-80.
    Some philosophers respond to Leibniz’s “shift” argument against absolute space by appealing to antihaecceitism about possible worlds, using David Lewis’s counterpart theory. But separated from Lewis’s distinctive system, it is difficult to understand what this doctrine amounts to or how it bears on the Leibnizian argument. In fact, the best way of making sense of the relevant kind of antihaecceitism concedes the main point of the Leibnizian argument, pressing us to consider alternative spatiotemporal metaphysics.
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  • Logical Grounds.Fabrice Correia - 2013 - Review of Symbolic Logic (1):1-29.
    I identify a notion of logical grounding, clarify it, and show how it can be used (i) to characterise various consequence relations, and (ii) to give a precise syntactic account of the notion of “groundedness” at work in the literature on the paradoxes of truth.
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  • El Esencialismo Individuativo de Wiggins y la Función de los Juicios de Modalidad De Re.José Edgar González Varela - 2016 - Tópicos: Revista de Filosofía 51:55-82.
    Quine ha promovido una forma de escepticismo sobre los juicios de modalidad de re que cuestiona su función y sugiere, en consecuencia, su eliminación. Wiggins, por su parte, ha argumentado que nuestros juicios ordinarios de individuación de objetos nos comprometen con un cierto esencialismo, con la aceptación de ciertos juicios de modalidad de re. Si Wiggins tuviera razón, tendríamos una respuesta potencial al escepticismo quineano de la función. Sin embargo, en este trabajo argumento que la propuesta de Wiggins es incapaz (...)
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  • Contingently Existing Propositions.Michael Nelson - 2013 - Canadian Journal of Philosophy 43 (5):776-803.
    (2013). Contingently existing propositions. Canadian Journal of Philosophy: Vol. 43, Essays on the Nature of Propositions, pp. 776-803.
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  • Reduction to First Degree in Quantificational S5.Michael J. Carroll - 1979 - Journal of Symbolic Logic 44 (2):207-214.
    It is shown that the modally first-degree formulas of quantificational S5 constitute a reduction class. This is done by defining prenex normal forms for quantificational S5, and then showing that for any formula A there is a formula B in prenex normal form, such that B is modally first-degree and is provable if and only if A is provable.
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  • Failures of the Interpolation Lemma in Quantified Modal Logic.Kit Fine - 1979 - Journal of Symbolic Logic 44 (2):201-206.
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  • Plural Quantification and Modality.Gabriel Uzquiano - 2011 - Proceedings of the Aristotelian Society 111 (2pt2):219-250.
    Identity is a modally inflexible relation: two objects are necessarily identical or necessarily distinct. However, identity is not alone in this respect. We will look at the relation that one object bears to some objects if and only if it is one of them. In particular, we will consider the credentials of the thesis that no matter what some objects are, an object is necessarily one of them or necessarily not one of them.
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  • How Far Can Hume's is-Ought Thesis Be Generalized?Gerhard Schurz - 1991 - Journal of Philosophical Logic 20 (1):37 - 95.
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  • On the Philosophical Basis of Essentialist Theories.Graeme Forbes - 1981 - Journal of Philosophical Logic 10 (1):73-99.
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  • Physicalism, Instrumentalism and the Semantics of Modal Logic.Graeme Forbes - 1983 - Journal of Philosophical Logic 12 (3):271 - 298.
    The delicate point in the formalistic position is to explain how the non-intuitionistic classical mathematics is significant, after having initially agreed with the intuitionists that its theorems lack a real meaning in terms of which they are true (S. C. Kleene, 1952).
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  • Contingency and Modal Logic.Harry Deutsch - 1990 - Philosophical Studies 60 (1-2):89 - 102.
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  • “Conservative” Kripke Closures.Raymond D. Gumb - 1984 - Synthese 60 (1):39 - 49.
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  • The Elimination of de Re Formulas.Michael Kaminski - 1997 - Journal of Philosophical Logic 26 (4):411-422.
    It is shown that de re formulas are eliminable in the modal logic S5 extended with the axiom scheme □∃xφ ⊃ ∃x□φ.
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  • A New Modal Language with the Λ Operator.Ermanno Bencivenga & Peter W. Woodruff - 1981 - Studia Logica 40 (4):383 - 389.
    A system of modal logic with the operator is proposed, and proved complete. In contrast with a previous one by Stalnaker and Thomason, this system does not require two categories of singular terms.
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  • Completeness Theorem for Dummett's LC Quantified and Some of its Extensions.Giovanna Corsi - 1992 - Studia Logica 51 (2):317 - 335.
    Dummett's logic LC quantified, Q-LC, is shown to be characterized by the extended frame Q+, ,D, where Q+ is the set of non-negative rational numbers, is the numerical relation less or equal then and D is the domain function such that for all v, w Q+, Dv and if v w, then D v . D v D w . Moreover, simple completeness proofs of extensions of Q-LC are given.
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  • Vagueness & Modality—An Ecumenical Approach.Jon Erling Litland & Juhani Yli‐Vakkuri - 2017 - Philosophical Perspectives 30 (1):229-269.
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  • Model Theory for Modal Logic—Part III Existence and Predication.Kit Fine - 1981 - Journal of Philosophical Logic 10 (3):293 - 307.
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  • Axioms for Actuality.Harold T. Hodes - 1984 - Journal of Philosophical Logic 13 (1):27 - 34.
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  • In Defense of Absolute Essentialism.Graeme Forbes - 1986 - Midwest Studies in Philosophy 11 (1):3-31.
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  • Some Theorems on the Expressive Limitations of Modal Languages.Harold T. Hodes - 1984 - Journal of Philosophical Logic 13 (1):13 - 26.
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