Look up a priori in Wiktionary, the free dictionary.
A priori may refer to:
A priori knowledge, that is justified by arguments of a certain kind,
A priori (languages), a type of constructed language,
A priori estimate, an estimate for the size of a solution of a differential equation,
A priori probability, that derived by deductive reasoning,
Apriori algorithm, an algorithm for learning association rules
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