A LEWISIAN ARGUMENT AGAINST USING EQUIVALENCE ACCESSIBILITY RELATIONS IN THE LEARNING BY ERASING FRAMEWORK
A LEWISIAN ARGUMENT AGAINST USING EQUIVALENCE ACCESSIBILITY RELATIONS IN THE LEARNING BY ERASING FRAMEWORK

Summary/Abstract: The fi rst part of this paper will present (1) the concept of knowledge as it is used in epistemic logic, (2) Public Announcement Logic’s concept of learning as elimination of epistemic alternatives, and (3) a game-theoretical perspective on scientifi c discovery (research as a game between Nature and Scientist) together with Nina Gierasimczuk’s established connection between (2) and (3). The second part will be concerned with arguing that the accessibility relations between hypotheses within the framework of „learning by erasing“ should not be equivalence relations

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