Mind 124 (493):201-237 (2015)

F. A. Muller
Erasmus University Rotterdam
I begin by criticizing an elaboration of an argument in this journal due to Hawley , who argued that, where Leibniz’s Principle of the Identity of Indiscernibles faces counterexamples, invoking relations to save PII fails. I argue that insufficient attention has been paid to a particular distinction. I proceed by demonstrating that in most putative counterexamples to PII , the so-called Discerning Defence trumps the Summing Defence of PII. The general kind of objects that do the discerning in all cases form a category that has received little if any attention in metaphysics. This category of objects lies between indiscernibles and individuals and is called relationals: objects that can be discerned by means of relations only and not by properties. Remarkably, relationals turn out to populate the universe
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DOI 10.1093/mind/fzu175
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References found in this work BETA

Individuals.P. F. Strawson - 1959 - Routledge.
Individuals: An Essay in Descriptive Metaphysics.James Cargile - 1959 - Journal of Symbolic Logic 38 (2):320-323.

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Citations of this work BETA

Identity and Individuality in Quantum Theory.Steven French - 2008 - Stanford Encyclopedia of Philosophy.
Dissecting Weak Discernibility of Quanta.Tomasz Bigaj - 2015 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 50:43-53.
The Case Against Factorism: On the Labels of $$Otimes$$ ⊗ -Factor Hilbert-Spaces of Similar Particles in Quantum Mechanics.F. A. Muller & Gijs Leegwater - forthcoming - Journal for General Philosophy of Science / Zeitschrift für Allgemeine Wissenschaftstheorie:1-16.

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