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AIML
2008
13 years 10 months ago
Three 13th-century views of quantified modal logic
There are two reasons why medieval logic is of interest to modern logician: One is to see how similar it is to modern logic and the other is to see how different it is. We study th...
Sara L. Uckelman
AIML
2008
13 years 10 months ago
Undecidability for arbitrary public announcement logic
Arbitrary public announcement logic (APAL) is an extension of multi-agent epistemic logic that allows agents' knowledge states to be updated by the public announcement of (pos...
Tim French, Hans P. van Ditmarsch
AIML
2008
13 years 10 months ago
Proof systems for the coalgebraic cover modality
abstract. We investigate an alternative presentation of classical and positive modal logic where the coalgebraic cover modality is taken as primitive. For each logic, we present a ...
Marta Bílková, Alessandra Palmigiano...
AIML
2008
13 years 10 months ago
Properties of logics of individual and group agency
We provide proof-theoretic results about deliberative STIT logic. First we present STIT logic for individual agents without time, where the problem of satisfiability has recently b...
Andreas Herzig, François Schwarzentruber
AIML
2008
13 years 10 months ago
Topology, connectedness, and modal logic
This paper presents a survey of topological spatial logics, taking as its point of departure the interpretation of the modal logic S4 due to McKinsey and Tarski. We consider the ef...
Roman Kontchakov, Ian Pratt-Hartmann, Frank Wolter...