A priori knowledge is independent from current experience (e.g., as part of a new study). Examples include mathematics, tautologies, and deduction from pure reason.
Also see A posteriori.
Bibliography
References
“A Priori and a Posteriori.” 2022. In Wikipedia. https://en.wikipedia.org/w/index.php?title=A_priori_and_a_posteriori&oldid=1113103532.