Beyond the Spell: A Dynamic Logic Analysis of Misdirection
CoRR(2024)
摘要
Misdirection can be defined as the intentional action of causing some
misrepresentation in an agent, or in a group of agents. Those
misrepresentations may result from verbal actions, as in linguistic deception,
or from visual actions, as in visual misdirection. Examples of visual
misdirection abound (e.g. in nature, in the military), with magic tricks
providing a vivid illustration. So far, various types of verbal misdirection
have been investigated from a formal perspective (e.g. lying, bluffing) but
little attention has been paid to the particular case of visual misdirection.
In this paper, we introduce a dynamic epistemic logic to represent not only
verbal misdirection on agents' beliefs but also visual misdirection on agents'
observations. We illustrate the dynamics of the logic by modelling a classic
magic trick known as the French Drop. We also provide a sound and complete
axiom system for the logic, and discuss the strengths of the setting in terms
of expressivity and scope.
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