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Wolfgang Ertl, The Guarantee of Perpetual Peace Cambridge: Cambridge University Press, 2019, Pp. iv + 72, ISBN 9781108529785 (pbk) £15.00

Published online by Cambridge University Press:  17 March 2021

Eric Watkins*
University of California, San Diego


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© The Author(s), 2021. Published by Cambridge University Press on behalf of Kantian Review

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1 Ertl explicitly points out the ambiguity in the word ‘determines’ here, carefully separating its metaphysical and epistemological meanings, and tracking them throughout Kant’s discussion.

2 For reasons of space, I will not discuss the fifth threat.

3 Ertl thus endorses the ‘altered laws’ rather than the ‘altered past’ response to Van Inwagen’s Consequence Argument.

4 In his defence, Ertl acknowledges the importance of this issue.