A Priori Knowledge

Albert Casullo

in The Oxford Handbook of Epistemology

Published in print November 2002 | ISBN: 9780195130058
Published online November 2003 | e-ISBN: 9780199833481 | DOI:
A Priori Knowledge

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In “A Priori Knowledge,” Albert Casullo asks whether there is a priori knowledge. He ultimately defines a priori knowledge as true belief with a priori justification, where a belief is a priori justified if it is nonexperientially justified. Armed with this definition, Casullo evaluates several traditional arguments for and against the existence of a priori knowledge. He concludes that the traditional arguments reach an impasse by arguing on a priori grounds that the opposite position is deficient. A successful way to defend a priori knowledge, he argues, would be to find empirical evidence that supports the existence of nonexperiential sources of justification.

Keywords: a priori; a priori justification; a priori knowledge; a priori warrant; Albert Casullo; justification; knowledge

Chapter.  21295 words. 

Subjects: Metaphysics

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