Year: 2025
Type: article
Abstract: We revisit a recent puzzle about common knowledge, the "sailboat" case [22], and argue that Lewisian common knowledge allows us to reconcile the pre-theoretical intuition that certain facts are "public" in such situations, while these facts cannot be common knowledge in the classical, iterative sense.The crux of the argument is to understand Lewisian common knowledge as an account of what it means for an event to be public.We first formulate this argument informally to clarify its philosophical commitment and then propose one way to capture it formally in epistemic-plausibility models.Taken together, we take the philosophical and the formal arguments as providing evidence that Lewisian common knowledge is a plausible account of what it means for an event to be public.
DOI: 10.4204/eptcs.437.18
Authors: Sena Bozdag, Olivier Roy
Institution: University of Bayreuth
Language: English
Subfield: Artificial Intelligence
Field: Computer Science
Domain: Physical Sciences
Open Access status: diamond
OpenAlex ID: W4416664996
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