Mind (2008)
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Abstract |
Logic is usually thought to concern itself only with features that sentences and arguments possess in virtue of their logical structures or forms. The logical form of a sentence or argument is determined by its syntactic or semantic structure and by the placement of certain expressions called “logical constants.”[1] Thus, for example, the sentences Every boy loves some girl. and Some boy loves every girl. are thought to differ in logical form, even though they share a common syntactic and semantic structure, because they differ in the placement of the logical constants “every” and “some”. By contrast, the sentences Every girl loves some boy. and Every boy loves some girl. are thought to have the same logical form, because “girl” and “boy” are not logical constants. Thus, in order to settle questions about logical form, and ultimately about which arguments are logically valid and which sentences logically true, we must distinguish the “logical constants” of a language from its nonlogical expressions
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DOI | 10.1093/mind/108.431.503 |
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References found in this work BETA
Demonstratives: An Essay on the Semantics, Logic, Metaphysics and Epistemology of Demonstratives and Other Indexicals.David Kaplan - 1989 - In Joseph Almog, John Perry & Howard Wettstein (eds.), Themes From Kaplan. Oxford University Press. pp. 481-563.
After Virtue: A Study in Moral Theory.Alasdair C. MacIntyre - 1983 - University of Notre Dame Press.
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Citations of this work BETA
Theories of Truth Based on Four-Valued Infectious Logics.Damian Szmuc, Bruno Da Re & Federico Pailos - 2020 - Logic Journal of the IGPL 28 (5):712-746.
The Different Ways in Which Logic is (Said to Be) Formal.Catarina Dutilh Novaes - 2011 - History and Philosophy of Logic 32 (4):303 - 332.
Supervaluationism and Logical Revisionism.J. R. G. Williams - 2008 - Journal of Philosophy 105 (4):192-212.
The Problem of Logical Constants.Mario Gómez-Torrente - 2002 - Bulletin of Symbolic Logic 8 (1):1-37.
Formality in Logic: From Logical Terms to Semantic Constraints.Gil Sagi - 2014 - Logique Et Analyse 57 (227).
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