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A priori knowledge: Quick Facts

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Key People

The Greek philosopher Plato
Plato
Greek philosopher
Profile portrait of Immanuel Kant facing right, framed by a green Ouroboros serpent forming an oval, with a geometric symbol below the frame.
Immanuel Kant
German philosopher
René Descartes
René Descartes
French mathematician and philosopher
Rudolf Carnap
Rudolf Carnap
German-American philosopher
Saul Kripke
Saul Kripke
American logician and philosopher