Strong and Weak Truth Principles
This paper is an exposition of some recent results concerning various notions of strength and weakness of the concept of truth, both published or not. We try to systematically present these notions and their relationship to the current research on truth. We discuss the concept of the Tarski boundar...
| Format: | Article |
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| Language: | English |
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Polskie Towarzystwo Semiotyczne / The Polish Semiotic Society
2020-05-01
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| Series: | Studia Semiotyczne |
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| Online Access: | http://studiasemiotyczne.pts.edu.pl/index.php/Studiasemiotyczne/article/view/157 |
| Summary: | This paper is an exposition of some recent results concerning various notions of strength and weakness of the concept of truth, both published or not. We try to systematically present these notions and their relationship to the current research on truth. We discuss the concept of the Tarski boundary between weak and strong theories of truth and we give an overview of non-conservativity results for the extensions of the basic compositional truth theory. Additionally, we present a natural strong theory of truth which admits a number of apparently unrelated axiomatisations. Finally, we discuss other possible explications of the notion of ‘strength’ of axiomatic theories of truth.
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| ISSN: | 0137-6608 2544-073X |