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Designed for use by philosophy students, this book provides an accessible, yet technically sound treatment of modal logic and its philosophical applications. Every effort has been made to simplify the presentation by using diagrams in place of more complex mathematical apparatus. These and other innovations provide philosophers with easy access to a rich variety of topics in modal logic, including a full coverage of quantified modal logic, non-rigid designators, definite descriptions, and the de-re de-dictio distinction. Discussion of philosophical issues concerning the development of modal logic is woven into the text. The book uses natural deduction systems and also includes a diagram technique that extends the method of truth trees to modal logic. This feature provides a foundation for a novel method for showing completeness, one that is easy to extend to systems that include quantifiers.
Modality (Logic) --- Modal logic --- Logic --- Nonclassical mathematical logic --- Bisimulation
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A Chance for Possibility defends the view that the objective modal realm is tripartite: truths about possible worlds supervene on modal truths, which in turn supervene on truths about objective chances. An understanding of supervenience in terms of grounding is developed which - unlike the standard modal characterization - allows the question of what modal truths supervene on to have a non-trivial answer. Relying on this understanding, a negative result is established: modal truths do not supervene on truths about possible worlds, whether possible worlds are conceived of as Lewisian concreta or as abstract objects of some kind. Instead, a conception of pleonastic possible worlds is developed that reverses the direction of supervenience. On the basis of linguistic considerations concerning our use of natural language 'might' and 'might have' sentences, Steinberg finally argues that truths about objective chances are able to provide a supervenience base for modal truths. A Chance for Possibility is an investigation in analytic metaphysics, drawing on related work in the philosophy of logic and language as well as linguistics. It provides a detailed case study for the fruitful use of a notion of grounding in the clarification and evaluation of longstanding philosophical issues.
Metaphysics --- Modality (Logic) --- Possibility. --- Realism. --- Supervenience (Philosophy) --- Philosophy --- Empiricism --- Universals (Philosophy) --- Conceptualism --- Dualism --- Idealism --- Materialism --- Nominalism --- Positivism --- Rationalism --- Logic --- Modal logic --- Nonclassical mathematical logic --- Bisimulation --- Modal Logic. --- Modal Truth. --- Natural Language.
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In diesem Buch wird der Begriff der Zustimmung in seinen unterschiedlichen Ausprägungen in drei Teilen herausgearbeitet (Teil I: Zustimmung in der Philosophie der Neuzeit und in der traditionellen Logik, Teil II: Zustimmung in der modernen Philosophie, Teil III: Die logische Analyse der Zustimmung). Der neuzeitlichen Tradition in der Verwendung des Zustimmungsbegriffs folgend, erfolgt seine Analyse in Verbindung mit epistemischen und sprechakttheoretischen Begriffen wie Glaube und Überzeugung, Fürwahrhalten, Urteil, Akzeptation und Behauptung. Im Hauptteil des Buchs wird im Rahmen der Unterscheidung zwischen der Logik innerer Zustimmung und der Logik äußerer Zustimmung das Verhältnis von Zustimmung, Widerspruch und Folgerung sowie von Zustimmungsfolgerung und Relevanz dargestellt. Hier erfolgt die Behandlung der Zustimmung in formalisierten Sprachen, wodurch sich eine präzise und die logischen Konsequenzen klar umfassende Explikation des Zustimmungsbegriffs ergibt. Die Studie verfolgt das Ziel, Anwendungen der epistemischen Logik in der Philosophie des Geistes, der Erkenntnistheorie, der Argumentationstheorie und der künstlichen Intelligenz zu fördern.
Epistemic logic. --- Epistemics --- Logic, Modern. --- Social epistemology. --- Epistemology, Social --- Knowledge, Theory of --- Social role --- Knowledge, Sociology of --- General semantics --- Modern logic --- Epistemic modal logic --- Knowledge, Logic of --- Logic of knowledge --- Modal logic, Epistemic --- Modality (Logic) --- History.
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Conditional structures lie at the heart of the sciences, humanities, and everyday reasoning. It is hence not surprising that conditional logics - logics specifically designed to account for natural language conditionals - are an active and interdisciplinary area. The present book gives a formal and a philosophical account of indicative and counterfactual conditionals in terms of Chellas-Segerberg semantics. For that purpose a range of topics are discussed such as Bennett's arguments against truth value based semantics for indicative conditionals.
Semantics (Philosophy) --- Intension (Philosophy) --- Logical semantics --- Semantics (Logic) --- Semeiotics --- Significs --- Syntactics --- Unified science --- Language and languages --- Logic, Symbolic and mathematical --- Logical positivism --- Meaning (Psychology) --- Philosophy, Modern --- Semiotics --- Signs and symbols --- Symbolism --- Analysis (Philosophy) --- Definition (Philosophy) --- Conditional Logic. --- Modal Logic. --- Possible-Worlds Semantics. --- Ramsey Test.
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Aristotle was the founder not only of logic but also of modal logic. In the Prior Analytics he developed a complex system of modal syllogistic which, while influential, has been disputed since antiquity--and is today widely regarded as incoherent. Combining analytic rigor with keen sensitivity to historical context, Marko Malink makes clear that the modal syllogistic forms a consistent, integrated system of logic, one that is closely related to other areas of Aristotle's philosophy. Aristotle's modal syllogistic differs significantly from modern modal logic. Malink considers the key to understanding the Aristotelian version to be the notion of predication discussed in the Topics--specifically, its theory of predicables (definition, genus, differentia, proprium, and accident) and the ten categories (substance, quantity, quality, and so on). The predicables introduce a distinction between essential and nonessential predication. In contrast, the categories distinguish between substantial and nonsubstantial predication. Malink builds on these insights in developing a semantics for Aristotle's modal propositions, one that verifies the ancient philosopher's claims of the validity and invalidity of modal inferences. While it acknowledges some limitations of this reconstruction, Aristotle's Modal Syllogistic brims with bold ideas, richly supported by close readings of the Greek texts.
Logic, Ancient. --- Modality (Logic) --- Syllogism. --- Predicate (Logic) --- Logique ancienne --- Modalité (Logique) --- Syllogisme --- Prédicat (logique) --- Aristotle. --- Aristotle. -- Prior analytics. --- Predicables (Logic) --- Predication (Logic) --- Ancient logic --- Categories (Philosophy) --- Language and logic --- Logic --- Argumentation --- Reasoning --- Logic, Symbolic and mathematical --- Modal logic --- Nonclassical mathematical logic --- Bisimulation --- Aristoteles --- Aristote --- Aristotle --- Aristotile --- Logic, Ancient --- Syllogism --- Aristoteles. --- Arisṭāṭṭil --- Aristo, --- Aristotel --- Aristotele --- Aristóteles, --- Aristòtil --- Arisṭū --- Arisṭūṭālīs --- Arisutoteresu --- Arystoteles --- Ya-li-shih-to-te --- Ya-li-ssu-to-te --- Yalishiduode --- Yalisiduode --- Ἀριστοτέλης --- Αριστοτέλης --- Аристотел --- ארסטו --- אריםטו --- אריסטו --- אריסטוטלס --- אריסטוטלוס --- אריסטוטליס --- أرسطاطاليس --- أرسططاليس --- أرسطو --- أرسطوطالس --- أرسطوطاليس --- ابن رشد --- اريسطو --- Pseudo Aristotele --- Pseudo-Aristotle --- アリストテレス
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