A New Definition of A Priori Knowledge: In Search of a Modal Basis

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Tahko , T 2008 , ' A New Definition of A Priori Knowledge: In Search of a Modal Basis ' , Metaphysica , vol. 9 , no. 1 , pp. 57-68 . https://doi.org/10.1007/s12133-007-0022-7

Title: A New Definition of A Priori Knowledge: In Search of a Modal Basis
Author: Tahko, Tuomas
Contributor: University of Helsinki, Theoretical Philosophy
Date: 2008
Language: eng
Number of pages: 12
Belongs to series: Metaphysica
ISSN: 1437-2053
URI: http://hdl.handle.net/10138/27788
Abstract: In this paper I will offer a novel understanding of a priori knowledge. My claim is that the sharp distinction that is usually made between a priori and a posteriori knowledge is groundless. It will be argued that a plausible understanding of a priori and a posteriori knowledge has to acknowledge that they are in a constant bootstrapping relationship. It is also crucial that we distinguish between a priori propositions that hold in the actual world and merely possible, non-actual a priori propositions, as we will see when considering cases like Euclidean geometry. Furthermore, contrary to what Kripke seems to suggest, a priori knowledge is intimately connected with metaphysical modality, indeed, grounded in it. The task of a priori reasoning, according to this account, is to delimit the space of metaphysically possible worlds in order for us to be able to determine what is actual.
Subject: 611 Philosophy
a priori
a posteriori
modality
metaphysics
methodology
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