New Essays on the A Priori

These commissioned essays by an international group of philosophers discuss the relations of the a priori to meaning, justification, definition and ontology. They consider the role of the notion in Leibniz, Kant, Frege and Wittgenstein and address its role in discussions in the philosophy of mind.

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The topics of a priori knowledge and a priori justification have long played a prominent part in epistemology and the theory of meaning. Recently there has been a surge of interest in the proper explication of these notions. These newly commissioned essays, by a distinguished, international group of philosophers, is likely to have a substantial influence on later work in this area. They discuss the relations of the a priori to meaning, justification, definition and ontology; they consider the role of the notion in Leibniz, Kant, Frege and Wittgenstein; and they address its role in recent discussions in the philosophy of mind. Particular attention is also paid to the a priori in logic, science and mathematics. The authors exhibit a wide variety of approaches, some remaining sceptical of the notion itself, some proposing that it receive a non-factualist treatment, and others proposing novel ways of explicating and defending it. The editors' Introduction provides a helpful route into the issues.