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<p>utrecht</p> <p><b>New page</b></p><div>'''Logical constants''' are those expressions within a logical system which determine the class of valid arguments of that system. The logical constants of [[propositional logic]] are the truth-functional [[connectives]]. The logical constants of [[predicate logic]] add to this set the [[quantifiers]]. By adding more logical constants to this set (like the identity sign '=', or tense operators) more complicated logical systems can be studied, allowing a larger class of valid arguments.<br /> <br /> === Link ===<br /> <br /> [http://www2.let.uu.nl/UiL-OTS/Lexicon/zoek.pl?lemma=Logical+constant&amp;lemmacode=633 Utrecht Lexicon of Linguistics]<br /> <br /> === References ===<br /> <br /> * Gamut, L.T.F. 1991. ''Logic, language, and meaning,'' Univ. of Chicago Press, Chicago.<br /> <br /> {{dc}}<br /> [[Category:Semantics]]</div>

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