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A classically-based theory of impossible worlds. (English) Zbl 0914.03001
In the author’s metaphysics a situation is an abstract object which encodes a set of propositions, where a proposition is a \(0\)-ary property. A possible world encodes a maximal consistent set of propositions and an impossible world encodes a maximal set of propositions which is not consistent.

MSC:
03A05 Philosophical and critical aspects of logic and foundations
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