A priori

A priori is Latin for "from the former" or "from before", and may refer to:

• A priori knowledge, justification or arguments. See a priori and a posteriori.
• A priori (languages), a type of constructed language
• A priori (statistics), a knowledge of the actual population
• Apriori algorithm, a classic algorithm for learning association rules
• A priori estimate of a solutions of a differential equation

See also

• Priory, a house of men or women under religious vows headed by a prior or prioress
• A'priori, a rock/metal/prog band from Blackpool, Lancashire, UK
• Priori of Seborga, the legislature-court of the Principality of Seborga