A priori and a posteriori are terms that are used especially in logic and philosophy. A priori is from Latin ā priōrī, which means literally, "from what is earlier."

A PRIORI definition: 1. relating to an argument that suggests the probable effects of a known cause, or using general…. Learn more.

“A priori” and “a posteriori” refer primarily to how, or on what basis, a proposition might be known. In general terms, a proposition is knowable a priori if it is knowable independently of …

An a priori argument, reason, or probability is based on an assumed principle or fact, rather than on actual observed facts. In the absence of such evidence, there is no a priori hypothesis to …

Define a priori. a priori synonyms, a priori pronunciation, a priori translation, English dictionary definition of a priori. adj. 1. Proceeding from a known or assumed cause to a necessarily …

What does a priori mean? A priori is a term applied to knowledge considered to be true without being based on previous experience or observation. In this sense, a priori describes …

Definition of a priori adjective from the Oxford Advanced Learner's Dictionary. using facts or principles that are known to be true in order to decide what the likely effects or results of …

An a priori determination is formed before investigation. For example, assuming that the road will be wet when it stops raining a minute before would be a priori reasoning.

The most standard formulation of this empiricist view (a development of the view of Hume that all a priori knowledge pertains to ‘relations of ideas’) is the claim (typical of logical positivism) that …

Learn definitions, uses, and phrases with priori.