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Criteria of Identity and Structuralist Ontology | OUP Journals & Magazine | IEEE Xplore

Criteria of Identity and Structuralist Ontology

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Abstract:

In discussions about whether the Principle of the Identity of Indiscernibles is compatible with structuralist ontologies of mathematics, it is usually assumed that indivi...Show More

Abstract:

In discussions about whether the Principle of the Identity of Indiscernibles is compatible with structuralist ontologies of mathematics, it is usually assumed that individual objects are subject to criteria of identity which somehow account for the identity of the individuals. Much of this debate concerns structures that admit of non-trivial automorphisms. We consider cases from graph theory that violate even weak formulations of PII. We argue that (i) the identity or difference of places in a structure is not to be accounted for by anything other than the structure itself and that (ii) mathematical practice provides evidence for this view.
Published in: Philosophia Mathematica ( Volume: 16, Issue: 3, October 2008)
Page(s): 388 - 396
Date of Publication: October 2008

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