Definition of A priori

Babylon English
a priori
(from Latin) "from cause to effect", deductive, valid independently of observation, formed or conceived beforehand

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A priori definition was found in categories: Language, Idioms & Slang(4)  Arts & Humanities(3)  Law(1)  Business & Finance(1)  Encyclopedia(1)  

A priori Definition from Language, Idioms & Slang Dictionaries & Glossaries

Webster's Revised Unabridged Dictionary (1913)
A priori
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 reverse of a posteriori.

  
Applied to knowledge and conceptions assumed, or presupposed, as prior to experience, in order to make experience rational or possible.

  

WordNet 2.0
a priori

Adjective
1. involving deductive reasoning from a general principle to a necessary effect; not supported by fact; "an a priori judgment"
(antonym) a posteriori
(see-also) analytic, analytical
2. based on hypothesis or theory rather than experiment
(similar) theoretical, theoretic

Adverb
1. derived by logic, without observed facts
(antonym) a posteriori

The Phrase Finder
A priori
Meaning
'From the previous'.
Origin
Latin.

hEnglish - advanced version
a priori

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 reverse of a posteriori.
3. (philos.) applied to knowledge and conceptions assumed, or presupposed, as prior to experience, in order to make experience rational or possible. a priori, that is, form these necessities of the mind or forms of thinking, which, though first revealed to us by experience, must yet have preëxisted in order to make experience possible.



A priori Definition from Arts & Humanities Dictionaries & Glossaries

JM Latin-English Dictionary
A priori
from what comes before

Theological and Philosophical Biography and Dictionary
A priori, analytical theory of the
Before reasoning about something, you have to
arbitrarily agree that there are some a priori rules or postulates.

A priori, theory of the intrinsic
certain principles or ideas are self-evident and known intuitively because of their distinctness and clarity. E.g., "I think, therefore I am" (Descartes).

A priori,presuppositional theory of the
Before you can intelligently experience
something, you need some a priori information, particularly some categories. Kant said that we are born with the knowledge of space and time.

Glossary of Kant's Technical Terms
a priori
a way of gaining knowledge without appealing to any particular experience(s). This method is used to establish transcendental and logical truths. (Cf. a posteriori.)



Law Dictionary
A priori
Latin term meaning "from the former, from the first." Modern usagehas deviated significantly from the Latin. An a priori conclusion or judgmentis one that is necessarily true, that is neither proved by nor capable of beingdisproved by experience, and that is known to be true by a process of reasoningindependent of all factual evidence. The term is commonly used to indicate ajudgment that is widely believed to be certain or that is introducedpresumptively, without analysis or investigation. Thus to accuse someone ofhaving assumed a fact or conclusion a priori is often to disparage him or herfor having failed to support a judgment through evidence or analysis. Compare Aposteriori.


A priori Definition from Business & Finance Dictionaries & Glossaries

Raynet Business & Marketing Glossary
A Priori
an approach where a theoretical framework is developed before an investigation/research is conducted.


A priori Definition from Encyclopedia Dictionaries & Glossaries

Wikipedia English - The Free Encyclopedia
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 language
  • A priori (statistics), a knowledge of the actual population
  • A priori (mathematical modeling)
  • A priori and a posteriori (philosophy), used to distinguish two types of propositional knowledge
  • A 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 priori and a posteriori (philosophy)
"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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