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logical syntax


Subject Philosophy

DOI: 10.1111/b.9781405106795.2004.x


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L ogic, philosophy of language, metaphysics Also called logical grammar . A system of rules governing the use of signs , which determines whether a combination of signs can be a proposition , that is, whether it can represent a logically possible state of affairs . Logical syntax belongs to the purely formal part of a logical system and is discovered through logical analysis . It aims to display the hidden logical forms of propositions. In contrast to the surface syntax or grammar of ordinary language, it is the syntax of logical or ideal language . Aside from avoiding the use of the same sign for different significations, it is not concerned with the meaning of the signs. It excludes some combinations of signs as nonsense . To say that traditional metaphysical problems are nonsensical means that they violate logical syntax. The term was used in Wittgenstein 's Tractatus , but is abandoned in his later works. Carnap attempts to establish such a system in his Logical Syntax of Language (1934). β€œIn order to avoid such errors we must make use of a sign-language that excludes them by not using the same sign for different symbols and by not using in a superficially similar way signs that have different modes of signification: that is to say, a sign-language that is governed by logical grammar – by logical syntax.” Wittgenstein, Tractatus ... log in or subscribe to read full text

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