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Zoom Talk: Fabrizio Cariani (Maryland)

Meeting ID: 925-6562-2309

10.12.2020 16:00  – 18:00 

Please contact office.leitgeb@lrz.uni-muenchen.de for the password.

Title:

Foreknowledge for Dummies

Abstract:

I explore the motivation and logical consequences of the idea that we have some (limited) ability to know contingent facts about the future. I start by describing the role of foreknowledge in our cognitive life, and by generally advocating this anti-skeptical stance. I then zero-in on a specific problem: can acceptance of human foreknowledge co-exist with the view that the future is objectively unsettled, or indeterminate? I analyze this problem within a system of modal logic that combines epistemic operators with determinacy operators. Within this framework, I first characterize what anti-skepticism about future contingency comes down to. I then work out the consequences of the anti-skeptical position within two different logical settings: a standard relational semantics and a possibility semantics inspired by Humberstone's work on possibility semantics for modal logic.