A priori

A priori may refer to:A priori, in a legal sense, based on deduction or hypothesis. See .A priori (languages), a type of constructed languageA priori (statistics), a knowledge of the actual populationA priori (mathematical modeling)A priori and a posteriori (philosophy), used to distinguish two types of propositional knowledgeA priori (mathematics)—in mathematical literature, one often says proposition A "does not a priori imply" proposition B if any such implication would require some nontrivial reasoning. In particular, the question of whether proposition A implies proposition B a priori is independent of whether proposition A implies proposition B in fact.Apriori algorithm a classic algorithm for learning association rules
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"A posteriori" redirects here. For the Enigma album, see A Posteriori. The terms "a priori" and "a posteriori" are used in philosophy to distinguish between deductive and inductive reasoning, respectively. Attempts to define clearly or explain a priori and a posteriori knowledge are part of a central thread in epistemology, the study of knowledge. Since the definitions and usage of the terms have been corrupted over time and therefore vary between fields, it is difficult to provide universal definitions of them. One rough and oversimplified explanation is that a priori knowledge is independent of experience, while a posteriori knowledge is dependent on experience. In other words, statements that are a priori true are tautologies.
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a priori, from cause to effect, deductive, valid independently of observation, formed or conceived beforehand

adj. a priori, from cause to effect, deductive

adj. a priori, deductive