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Gonzalo Rodriguez-Pereyra, Two Arguments for the Identity of Indiscernibles, Oxford University Press, 2022, 144pp., $82.00 (hbk), ISBN 9780192866868.
Reviewed by Erica Shumener, Syracuse University
The principle of the identity of indiscernibles is the less popular half of Leibniz’s Law—the more widely-accepted half being the principle of the indiscernibility of identicals. Two features help explain the principle’s unpopularity. First, it is difficult to grasp the content of the identity of indiscernibles. Second and relatedly, depending on how one interprets the principle, it can strike one as either trivially true or clearly false. Keeping this backdrop in mind, the significance of Gonzalo Rodriguez-Pereyra’s book is evident and should not be understated: Rodriguez-Pereyra introduces different non-trivial versions of the identity of indiscernibles and then supports one of them with two persuasive arguments. Two Arguments for the Identity of Indiscernibles is a wonderful book and an example of top-tier metaphysics.
Rodriguez-Pereyra clears the path…
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