Abstract
We introduce a notion of semantical closure for theories by formalizing Nepeivoda notion of truth. [10]. Tarski theorem on truth definitions is discussed in the light of Kleene's three valued logic (here treated with a formal reinterpretation of logical constants). Connections with Definability Theory are also established.
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A first version was prepared for sec. 5-Gnsaga-CNR and presented at the Logic Seminar, Institute of Philosophy, University of Firenze, in the academic year 1978–79. The author would like to thank the referee for his criticism and the Alexander von Humboldt-Stiftung for the support during the revision of the paper.
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Cantini, A. A note on three-valued logic and Tarski theorem on truth definitions. Stud Logica 39, 405–414 (1980). https://doi.org/10.1007/BF00713550
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DOI: https://doi.org/10.1007/BF00713550