A Priori

"A Priori" refers to knowledge that is gained through reasoning and logical deduction rather than through experience or observation. In general knowledge, it means understanding facts or principles that are assumed to be true without needing experimentation or direct evidence. For example, knowing that all bachelors are unmarried men is an a priori truth because it is based on the definitions of the words. This type of knowledge is often contrasted with "a posteriori," which is knowledge gained from experience or empirical evidence.