a priori

a priori
adjective Etymology: Latin, literally, from the former Date: 1652 1. a. deductive b. relating to or derived by reasoning from self-evident propositions — compare a posteriori c. presupposed by experience 2. a. being without examination or analysis ; presumptive b. formed or conceived beforehanda priori adverbapriority noun

New Collegiate Dictionary. 2001.


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  • A priori — may refer to: * A priori (languages), a type of constructed language * A priori (statistics), a knowledge of the actual population * A priori and a posteriori (philosophy), used to distinguish two types of propositional knowledge *Apriori… …   Wikipedia

  • A priori — A pri*o ri [L. a (ab) + prior former.] 1. (Logic) Characterizing that kind of reasoning which deduces consequences from definitions formed, or principles assumed, or which infers effects from causes previously known; deductive or deductively. The …   The Collaborative International Dictionary of English

  • a priori — Regulative Reg u*la*tive (r?g ?*l?*t?v), a. 1. Tending to regulate; regulating. Whewell. [1913 Webster] 2. (Metaph.) Necessarily assumed by the mind as fundamental to all other knowledge; furnishing fundamental principles; as, the regulative… …   The Collaborative International Dictionary of English

  • À PRIORI — Locution empruntée du latin. D’après des données antérieures à l’expérience, en s’appuyant sur les principes de la raison. Les axiomes sont des vérités à priori …   Dictionnaire de l'Academie Francaise, 8eme edition (1935)

  • À PRIORI — Voyez PRIORI (À) …   Dictionnaire de l'Academie Francaise, 7eme edition (1835)

  • A priori and a posteriori (philosophy) — A priori redirects here. For other uses, see A priori. : A posteriori redirects here. For the Enigma album, see A Posteriori. The terms a priori and a posteriori are used in philosophy primarily to distinguish between two different types of… …   Wikipedia

  • A priori (languages) — This is the article about constructed languages. For other uses of the term a priori , see a priori. An a priori language is any constructed language whose vocabulary is not based on existing languages, unlike a posteriori constructed languages.… …   Wikipedia

  • A priori (statistics) — In statistics, a priori knowledge refers to prior knowledge about a population, rather than that estimated by recent observation. It is common in Bayesian inference to make inferences conditional upon this knowledge, and the integration of a… …   Wikipedia

  • A priori probability — The term a priori probability is used in distinguishing the ways in which values for probabilities can be obtained. In particular, an a priori probability is derived purely by deductive reasoning. [Mood A.M., Graybill F.A., Boes D.C. (1974)… …   Wikipedia

  • PRIORI — (À) Expression latine qui s emploie en termes de Logique. Démontrer une vérité à priori, D après un principe antérieur, évident, d où elle dérive. Voilà qui est prouvé à priori.   Elle se dit aussi en parlant Des systèmes, des raisonnements créés …   Dictionnaire de l'Academie Francaise, 7eme edition (1835)

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