The Value of Diachronic Justification

Richard Swinburne

in Epistemic Justification

Published in print June 2001 | ISBN: 9780199243792
Published online November 2003 | e-ISBN: 9780191598524 | DOI:
 The Value of Diachronic Justification

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A belief is diachronically justified if it is synchronically justified and results from adequate investigation. Whether the time devoted to an investigation is adequate depends (positively) on how probable it was at the start that investigation would lead to evidence that would greatly change the probability of the belief at stake and how probable it was that the issue was important, and (negatively) on how probable it was that pursuing the investigation would take much time and money. All of these ‘probabilities’ can be spelled out in different internalist and externalist ways, and so there are many different kinds of diachronic justification. Most of these kinds are worth having, because it is logically probable that adequate investigation will lead (without excessive cost) to the believer having his important beliefs more probably true; and justified belief of two of these kinds is also intrinsically valuable. However, the believer can only have access to the justification of an internally justified belief.

Keywords: diachronic justification; externalism; externalist justification; internalism; internalist justification; justification; Locke; Zagzebski

Chapter.  13170 words. 

Subjects: Metaphysics

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