The term a priori literally means “from the earlier”, while the term a posteriori has the literal translation “from the later”. These terms are often used in philosophy in order to describe different forms of knowledge.
A priori – dependent on experience; deductive; presumptive
- A prior knowledge is obtained without examination or analysis.
A posteriori – empirical knowledge; inductive; obtained through reasoning of observed facts
- A posteriori knowledge is obtained through reasoning of observed facts.