When Names Are Not Commonly Known: Epistemic Logic with Assignments

May 10, 2018 Β· Declared Dead Β· πŸ› Advances in Modal Logic

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Authors Yanjing Wang, Jeremy Seligman arXiv ID 1805.03852 Category cs.AI: Artificial Intelligence Cross-listed cs.LO, math.LO Citations 14 Venue Advances in Modal Logic Last Checked 4 months ago
Abstract
In standard epistemic logic, agent names are usually assumed to be common knowledge implicitly. This is unreasonable for various applications. Inspired by term modal logic and assignment operators in dynamic logic, we introduce a lightweight modal predicate logic where names can be non-rigid. The language can handle various de dicto and de re distinctions in a natural way. The main technical result is a complete axiomatisation of this logic over S5 models.
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