Modal operators like necessity (◻) and possibility (◊) alter a statement's truth value, indicating whether it must be true or…
Modal logic is a branch of logic that formally explores concepts like necessity, possibility, and obligation. It uses modal operators…
Modal agnosticism involves a neutral or skeptical viewpoint on modal propositions, particularly concerning concepts of necessity and possibility. It questions…
A formal framework for modal logic using possible worlds. Developed by Saul Kripke, it enables rigorous analysis of necessity, possibility,…
A logic focusing on meaning beyond mere truth values, exploring concepts like belief, necessity, and possibility. It distinguishes between logically…
A hypothetical construct in modal logic, the impossible world represents a state of affairs that cannot possibly exist. It's a…
Impossibility defines the state of something being not possible, whether due to logical contradictions or physical limitations. It's a fundamental…
The Converse Barcan Formula posits that if a property is necessarily possible for all things in a given world, then…
Alethic modal logic explores modalities of truth, focusing on concepts like necessity and possibility. It provides a formal framework for…
The actual world in modal logic refers to the real world we inhabit, distinct from hypothetical or possible worlds explored…