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Zermelo and Russell's Paradox: Is There a Universal set?
Journal article   Peer reviewed

Zermelo and Russell's Paradox: Is There a Universal set?

Gregory Landini
Philosophia mathematica, Vol.21(2), pp.180-199
06/01/2013
DOI: 10.1093/philmat/nks027

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Abstract

Zermelo once wrote that he had anticipated Russell's contradiction of the set of all sets that are not members of themselves. Is this sufficient for having anticipated Russell's Paradox - the paradox that revealed the untenability of the logical notion of a set as an extension? This paper argues that it is not sufficient and offers criteria that are necessary and sufficient for having discovered Russell's Paradox. It is shown that there is ample evidence that Russell satisfied the criteria and that Zermelo did not.
Philosophy Arts & Humanities History & Philosophy Of Science

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