Economics Dictionary of ArgumentsHome
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| Opacity, philosophy: also opacity of the reference. A problem with propositions (meanings of uttered sentences related to a speaker) is that one cannot be certain that one knows what an utterance refers to. E.g. in an empty room is a blackboard with the inscription "I am hungry". See also intensions, propositions, propositional attitudes, reference, inscrutability, quotation._____________Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments. | |||
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Gottlob Frege on Opacity - Dictionary of Arguments
Stuhlmann-Laeisz II 57ff Opaque contexts/propositional attitudes/Frege/Stuhlmann: when the believer connects the same information with two different names for the same person (in particular the identity of the person) then the sentences have the same truth value (after substitution). Cf. >Pierre-Example, >Truth value, >Substitution, >Propositional attitudes._____________Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution. Translations: Dictionary of Arguments The note [Concept/Author], [Author1]Vs[Author2] or [Author]Vs[term] resp. "problem:"/"solution:", "old:"/"new:" and "thesis:" is an addition from the Dictionary of Arguments. If a German edition is specified, the page numbers refer to this edition. |
F I G. Frege Die Grundlagen der Arithmetik Stuttgart 1987 F II G. Frege Funktion, Begriff, Bedeutung Göttingen 1994 F IV G. Frege Logische Untersuchungen Göttingen 1993 SL I R. Stuhlmann Laeisz Philosophische Logik Paderborn 2002 Stuhlmann II R. Stuhlmann-Laeisz Freges Logische Untersuchungen Darmstadt 1995 |
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