Results 21 to 30 of about 47,415 (256)
A Paradox for the Existence Predicate
In this paper, a paradox is shown to arise in the context of classical logic from prima facie highly plausible assumptions for the existence predicate as applied to definite descriptions.
Uwe Meixner
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Frege Systems for Quantified Boolean Logic
We define and investigate Frege systems for quantified Boolean formulas (QBF). For these new proof systems, we develop a lower bound technique that directly lifts circuit lower bounds for a circuit class C to the QBF Frege system operating with lines ...
Olaf Beyersdorff +3 more
semanticscholar +1 more source
Uma Uma conversa sobre a lógica entre Frege e Wittgenstein
O artigo começa com uma conversa entre Frege e Wittgenstein. Frege fala primeiro, e apresenta o seu ponto de vista sobre os fundamentos da lógica. Daí, Wittgenstein responde em três momentos: (a) primeiro ele brinca e experimenta com as ideias de Frege ...
Carlos Eduardo Fisch de Brito
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The myth of occurrence-based semantics [PDF]
The principle of compositionality requires that the meaning of a complex expression remains the same after substitution of synonymous expressions. Alleged counterexamples to compositionality seem to force a theoretical choice: either apparent synonyms ...
Pickel, Bryan, Rabern, Brian
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Frege on Identity and Co-Reference [PDF]
In “Über Sinn und Bedeutung” (1892) Frege raises a problem concerning identity statements of the form a=b and he criticizes the view he holds in the Begriffsschrift (1879, § 8). In building on a suggestion by Perry (2001/12, ch.
Eros Corazza
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Øystein Linnebo’s “Thin” objects: The problem of reference [PDF]
Introduction. The introduction formulates the problem of abstract objects for the philosophy of mathematics, epistemology, and metaphysics. Special attention is paid to the problem of reference. Theoretical analysis.
Burian, Veronika V.
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Como ler o primeiro parágrafo de “Sobre o sentido e a referência”
Neste artigo ofereço uma interpretação mais frutífera do Problema de Frege como formulado na passagem de abertura de “Sobre o sentido e a referência”. Argumento que essa formulação é problemática sob vários aspectos, e que algumas das noções que Frege ...
Filipe Martone
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The deduction theorem for strong propositional proof systems [PDF]
This paper focuses on the deduction theorem for propositional logic. We define and investigate different deduction properties and show that the presence of these deduction properties for strong proof systems is powerful enough to characterize the ...
C. Glaßer +15 more
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A Study of Frege’s Influence on A. J. Ayer’s Theory of Emotivism [PDF]
No doubt, Gottlob Frege and A. J. Ayer are considered to be among the most prominent contemporary philosophers. Insofar as one of them has revolutionized the linguistic domain while the other has influenced the domain of ethics in a diametrical fashion ...
Mohsen Shiravand
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Frege sobre “decisiones” (Entschlüsse): intencionalidad y motivación en Frege y Husserl
Existe en Frege no solo una concepción intencional de la conciencia, sino también uma concepción motivacional de su causalidad, esto es, Frege concibe la idea de una causalidade específica, diferente de la científico-natural, y que tiene como presupuesto
Mario González Porta
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