De dicto refers to how a statement attributes a property to a noun phrase as a whole. This contrasts with…
Counterpart theory, proposed by David Lewis, offers a philosophical interpretation of modal logic. It posits that objects in one possible…
A conditional statement exploring hypothetical scenarios against a backdrop of necessary truths. It examines implications when the premise contradicts what…
Counterfactual logic explores conditional statements about what would have happened if something else had occurred. It's crucial for understanding causality,…
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…
Chronological logic, also known as temporal modal logic, deals with reasoning about time and events. It extends classical logic by…
Causal modal logic extends standard modal logic with modalities for necessity, possibility, and causal relations. It enables formal analysis of…
A modal logic inspired by L.E.J. Brouwer's intuitionism. It grounds possibility in constructivist mathematics, offering a unique perspective on necessity…
Boethius' theses are two formulas in propositional logic: (A → B) → ¬ (A → ¬ B) and (A →…