Modal realism posits that all possible worlds are as real as our own. This philosophical stance suggests that individuals and…
Modal possibilism posits that entities that are possible but not actual exist, often conceptualized within possible worlds. This contrasts with…
Modal fictionalism suggests modal statements are useful fictions, avoiding commitment to the existence of abstract possible worlds. It offers a…
Explore mere possibilia, hypothetical entities that could exist but don't. These concepts are crucial in philosophy, logic, and modal reasoning,…
A formal framework for modal logic using possible worlds. Developed by Saul Kripke, it enables rigorous analysis of necessity, possibility,…
A frame in modal logic defines a set of possible worlds and the accessibility relation between them. It serves as…
Counterpart theory, proposed by David Lewis, offers a philosophical interpretation of modal logic. It posits that objects in one possible…
The Converse Barcan Formula posits that if a property is necessarily possible for all things in a given world, then…
Contingency describes propositions that are neither always true nor always false, their truth value depending on specific conditions or the…
The Barcan formula in modal logic states that if something exists, then it necessarily exists. It explores the relationship between…