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Oct 18, 2013 · Although ‘possible world’ has been part of the philosophical lexicon at least since Leibniz, the notion became firmly entrenched in contemporary philosophy with the development of possible world semantics for the languages of propositional and first-order modal logic.
A possible world is a complete and consistent way the world is or could have been. Possible worlds are widely used as a formal device in logic, philosophy, and linguistics in order to provide a semantics for intensional and modal logic.
Learn about the concept of a possible world, a total way the universe might have been, and its applications in logic, philosophy, and theology. Explore Leibniz's best of all possible worlds argument, Voltaire's satire, and other related topics.
A possible world is a complete way things might be, alternative to the actual world. Learn about the philosophical and logical aspects of possible worlds, from Leibniz to modal logic, and the ontological views of possibilism and actualism.
Feb 29, 2000 · In propositional logic, a valuation of the atomic sentences (or row of a truth table) assigns a truth value \ ( (T\) or \ (F)\) to each propositional variable \ (p\). Then the truth values of the complex sentences are calculated with truth tables. In modal semantics, a set \ (W\) of possible worlds is introduced.
Jul 23, 2009 · He takes himself to have established that we need to have possible worlds of some kind in our ontology, but not that these possible worlds must be concrete. In particular, they can be abstract, or what he calls “ersatz” possible worlds.
Sep 11, 2020 · Learn how Possible Worlds Theory, a philosophical concept, is applied to narratology and counterfactual historical fiction. Explore the origins, development, and applications of this interdisciplinary framework in this chapter.
