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Impossible worlds are representations of impossible things and impossible happenings. They earn their keep in a semantic or metaphysical theory if they do the right theoretical work for us. As it happens, a worlds‐based account provides the best philosophical story about semantic content, knowledge and belief states, cognitive significance and ...
Daniel Nolan
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Impossible worlds and logical omniscience: an impossibility result
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Jens Christian Bjerring
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Abstract The latter half of the twentieth century witnessed an ‘intensional revolution’, a great collective effort to analyse notions which are absolutely fundamental to our understanding of the world and of ourselves—from meaning and information to knowledge, belief, causation, essence, supervenience, conditionality, as well as ...
Francesco Berto +2 more
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Impossible worlds and partial belief [PDF]
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Edward Elliott
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Sahlqvist theory for impossible worlds [PDF]
We extend unified correspondence theory to Kripke frames with impossible worlds and their associated regular modal logics. These are logics the modal connectives of which are not required to be normal: only the weaker properties of additivity and multiplicativity are required.
Alessandra Palmigiano +2 more
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