A priori ('from the earlier') and a posteriori ('from the later') are Latin phrases used in philosophy and linguistics to distinguish types of knowledge, justification, or argument by their reliance on experience.

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."

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 knowledge …

“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 experience, while …

Dec 9, 2007 · Roughly speaking, a priori justification provides reasons for thinking a proposition is true that comes from merely understanding, or thinking about, that proposition. In contrast, a posteriori …

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

A priori knowledge, knowledge that is acquired independently of any experience, as opposed to a posteriori knowledge, which is derived from experience. The Latin terms a priori and a posteriori …

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 related …

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 work with.

Factsheet What does the adverb a priori mean? There are three meanings listed in OED's entry for the adverb a priori. See ‘Meaning & use’ for definitions, usage, and quotation evidence.