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单词 Russell's Antinomy
释义

Russell's Antinomy

Let be the set of all sets which are not members of themselves. Then is neither a member of itself nor not a memberof itself. Symbolically, let . Then Iff .


Bertrand Russell discovered this Paradox and sent it in a letter to G. Frege just as Frege was completing Grundlagen der Arithmetik. This invalidated much of the rigor of the work, and Frege was forced to add a note at the endstating, ``A scientist can hardly meet with anything more undesirable than to have the foundation give way just as the workis finished. I was put in this position by a letter from Mr. Bertrand Russell when the work was nearly through thepress.''

See also Grelling's Paradox


References

Courant, R. and Robbins, H. ``The Paradoxes of the Infinite.'' §2.4.5 in What is Mathematics?: An Elementary Approach to Ideas and Methods, 2nd ed. Oxford, England: Oxford University Press, p. 78, 1996.

Frege, G. Foundations of Arithmetic. Evanston, IL: Northwestern University Press, 1968.

Hofstadter, D. R. Gödel, Escher, Bach: An Eternal Golden Braid. New York: Vintage Books, pp. 20-21, 1989.


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