modal proposition

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• modal — 1. adjective a) of, or relating to a mode or modus b) of, relating to, or describing the mood of a clause Syn: forming, conditioning See Also: mode, model …   Wiktionary

• modal — modal, ale, aux [ mɔdal, o ] adj. et n. f. • 1546; de 2. mode ♦ Du mode. 1 ♦ Philos. Vx Qui a rapport aux modes de la substance. Existence modale. Logique modale. ⇒ 2. mode. 2 ♦ Gramm. Relatif aux modes des verbes. Forme, valeur modale. 3 ♦ Mus.… …   Encyclopédie Universelle

• Modal logic — is a type of formal logic that extends classical propositional and predicate logic to include operators expressing modality. Modals words that express modalities qualify a statement. For example, the statement John is happy might be qualified by… …   Wikipedia

• Modal realism — is the view, notably propounded by David Kellogg Lewis, that all possible worlds are as real as the actual world. It is based on the following tenets: possible worlds exist; possible worlds are not different in kind from the actual world;… …   Wikipedia

• modal — modal, ale (mo dal, da l ) adj. 1°   Terme de philosophie. Qui concerne la modalité. Les accidents modaux. •   Il s ensuit que je ne mourrai pas tout entier, et qu une grande partie de moi même échappera à la ruine de mon existence modale,… …   Dictionnaire de la Langue Française d'Émile Littré

• Modal operator — In modal logic, a modal operator is an operator which forms propositions from propositions. In general, a modal operator has the formal property of being non truth functional, and is intuitively characterised by expressing a modal attitude (such… …   Wikipedia

• Modal μ-calculus — In theoretical computer science, the modal μ calculus (also μ calculus, but this can have a more general meaning) is an extension of propositional modal logic (with many modalities) by adding a least fixpoint operator μ and a greatest fixpoint… …   Wikipedia

• Proposition — This article is about the term in logic and philosophy. For other uses, see Proposition (disambiguation). In logic and philosophy, the term proposition refers to either (a) the content or meaning of a meaningful declarative sentence or (b) the… …   Wikipedia

• modal logic — A logic studying the notions of necessity and possibility. Modal logic was of great importance historically, particularly in the light of various doctrines concerning the necessary properties of the deity, but was not a central topic of modern… …   Philosophy dictionary

• modal — [ məʊd(ə)l] adjective 1》 relating to mode or form as opposed to substance. 2》 Grammar of or denoting the mood of a verb.     ↘relating to a modal verb. 3》 Statistics occurring most frequently in a population. 4》 Music of or denoting music using… …   English new terms dictionary

• modal — adj. 1 of or relating to mode or form as opposed to substance. 2 Gram. a of or denoting the mood of a verb. b (of an auxiliary verb, e.g. would) used to express the mood of another verb. c (of a particle) denoting manner. 3 Statistics of or… …   Useful english dictionary