What is the meaning of the word "a priori"?

Definitions:

  1. derived by logic, without observed facts copy to clipboard adverb
    • Religious people have the a priori belief that God exists without any physical proof. copy to clipboard
  2. involving deductive reasoning from a general principle to a necessary effect copy to clipboard adjective
    • A priori knowledge helps us understand the world around us. copy to clipboard
  3. Relating to or derived by reasoning from self-evident propositions. copy to clipboard adjective
    • a priori knowledge is knowledge that is known independently of experience. for example, the idea that the whole is greater than the sum of its parts is an a priori knowledge. copy to clipboard

Synonyms: