Tag: possible worlds

Modal Realism Explained

Modal realism posits that all possible worlds are as real as our…

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Modal Possibilism Explained

Modal possibilism posits that entities that are possible but not actual exist,…

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Modal Fictionalism Explained

Modal fictionalism suggests modal statements are useful fictions, avoiding commitment to the…

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Mere Possibilia: Understanding Hypothetical Entities

Explore mere possibilia, hypothetical entities that could exist but don't. These concepts…

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Kripke Semantics

A formal framework for modal logic using possible worlds. Developed by Saul…

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Frames in Modal Logic

A frame in modal logic defines a set of possible worlds and…

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Counterpart Theory in Modal Logic

Counterpart theory, proposed by David Lewis, offers a philosophical interpretation of modal…

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Converse Barcan Formula in Modal Logic

The Converse Barcan Formula posits that if a property is necessarily possible…

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Contingency: The Nature of Conditional Truth

Contingency describes propositions that are neither always true nor always false, their…

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Barcan Formula

The Barcan formula in modal logic states that if something exists, then…

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