Combining Texts

Ideas for 'The Theory of Communicative Action', 'Logical Necessity' and 'The Metaphysic of Abstract Particulars'

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9. Objects / F. Identity among Objects / 7. Indiscernible Objects

4033	Two pure spheres in non-absolute space are identical but indiscernible [Campbell,K]
	Full Idea: The Identity of Indiscernibles is not a necessary truth. It fails in possible worlds where there are two identical spheres in a non-absolute space, or worlds without beginning or end where events are exactly cyclically repeated.
	From: Keith Campbell (The Metaphysic of Abstract Particulars [1981], §5)
	A reaction: The principle was always very suspect, and these seem nice counterexamples. As so often, epistemology and ontology had become muddled.