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Ekaterina Kubyshkina
University of Campinas
  1.  62
    A Logic for Factive Ignorance.Ekaterina Kubyshkina & Mattia Petrolo - forthcoming - Synthese 198 (6):5917-5928.
    In the current debate there are two epistemological approaches to the definition of ignorance: the Standard View and the New View. The former defines ignorance simply as not knowing, while the latter defines it as the absence of true belief. One of the main differences between these two positions lies in rejecting (Standard View) or in accepting (New View) the factivity of ignorance, i.e., if an agent is ignorant of φ, then φ is true. In the present article, we first (...)
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  2.  17
    Conservative Translations of Four-Valued Logics in Modal Logic.Ekaterina Kubyshkina - 2019 - Synthese 198 (S22):5555-5571.
    Following a proposal by Kooi and Tamminga, we introduce a conservative translation manual for every four-valued truth-functional propositional logic into a modal logic. However, the application of this translation does not preserve the intuitive reading of the truth-values for every four-valued logic. In order to solve this problem, we modify the translation manual and prove its conservativity by exploiting the method of generalized truth-values.
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  3.  10
    Rational Agency From a Truth-Functional Perspective.Ekaterina Kubyshkina & Dmitry V. Zaitsev - 2016 - Logic and Logical Philosophy 25 (4):499-520.
    The aim of the present paper is to introduce a system, where the epistemic state of an agent is represented truth-functionally. In order to obtain this system, we propose a four-valued logic, that we call the logic of rational agent, where the fact of knowing something is formalized at the level of valuations, without the explicit use of epistemic knowledge operator. On the basis of this semantics, a sound and complete system with two distinct truth-functional negations is provided. These negations (...)
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  4.  16
    What Ignorance Could Not Be.Ekaterina Kubyshkina & Mattia Petrolo - 2020 - Principia: An International Journal of Epistemology 24 (2).
    In the current debate there are two epistemological approaches to the definition of ignorance. The Standard View defines ignorance simply as not knowing, while the New View defines it as the absence of true belief. We argue that both views provide necessary, but not sufficient conditions for ignorance, and thus do not constitute satisfactory definitions for such a notion.
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