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edicions
Canvis
→Referències
* Kaplansky, Irving (1972), De Prima, Charles (ed.), Set Theory and Metric Spaces, Boston: Allyn and Bacon, p. 4
* Kaplansky, Irving (1972), De Prima, Charles (ed.), Set Theory and Metric Spaces, Boston: Allyn and Bacon, p. 4
* Monk, J. Donald (1969), Introduction to Set Theory, McGraw-Hill Book Company, ISBN 978-0-898-74006-6
* Monk, J. Donald (1969), Introduction to Set Theory, McGraw-Hill Book Company, ISBN 978-0-898-74006-6
* Potter, Michael (2004), Set Theory and Its Philosophy: A Critical Introduction, Oxford University Press, ISBN 978-0-191-55643-2
== Enllaços externs ==
== Enllaços externs ==