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Valuation Semantics for First-Order Logics of Evidence and Truth
Journal of Philosophical Logic ( IF 0.7 ) Pub Date : 2022-06-16 , DOI: 10.1007/s10992-022-09662-8
H. Antunes , A. Rodrigues , W. Carnielli , M. E. Coniglio

This paper introduces the logic QLETF, a quantified extension of the logic of evidence and truth LETF, together with a corresponding sound and complete first-order non-deterministic valuation semantics. LETF is a paraconsistent and paracomplete sentential logic that extends the logic of first-degree entailment (FDE) with a classicality operator ∘ and a non-classicality operator ∙, dual to each other: while ∘A entails that A behaves classically, ∙A follows from A’s violating some classically valid inferences. The semantics of QLETF combines structures that interpret negated predicates in terms of anti-extensions with first-order non-deterministic valuations, and completeness is obtained through a generalization of Henkin’s method. By providing sound and complete semantics for first-order extensions of FDE, K3, and LP, we show how these tools, which we call here the method of anti-extensions + valuations, can be naturally applied to a number of non-classical logics.



中文翻译:

证据和真理的一阶逻辑的估值语义

本文介绍了逻辑Q L E T F ,它是证据和真相逻辑L E T F的量化扩展,以及相应的健全和完整的一阶非确定性估值语义。L E T F是一种准一致且准完备的句子逻辑,它扩展了一级蕴涵 ( FDE ) 的逻辑,其中经典算子 ∘ 和非经典算子 ∙ 彼此对偶:而 ∘ A蕴涵A表现经典, ∙ A源自A违反了一些经典有效的推论。Q L E T F的语义结合了根据反扩展解释否定谓词的结构与一阶非确定性估值,并且通过 Henkin 方法的推广获得完整性。通过为FDEK3LP的一阶扩展提供健全和完整的语义,我们展示了这些工具,我们在这里称之为反扩展+估值方法,可以自然地应用于许多非经典逻辑.

更新日期:2022-06-17
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