Editing Cardinal number (section)

== References ==
'''Notes'''
{{Reflist}}

'''Bibliography'''
*{{citation|last=Dauben|first=Joseph Warren|title=Georg Cantor: His Mathematics and Philosophy of the Infinite|publisher=Princeton University Press|place=Princeton|year=1990|isbn=0691-02447-2|url-access=registration|url=https://archive.org/details/georgcantorhisma0000daub}}
*[[Hans Hahn (mathematician)|Hahn, Hans]], ''Infinity'', Part IX, Chapter 2, Volume 3 of ''The World of Mathematics''. New York: Simon and Schuster, 1956.
*[[Paul Halmos|Halmos, Paul]], ''[[Naive Set Theory (book)|Naive set theory]]''. Princeton, NJ: D. Van Nostrand Company, 1960. Reprinted by Springer-Verlag, New York, 1974. {{isbn|0-387-90092-6}} (Springer-Verlag edition).
*{{Cite book|last=Schindler|first=Ralf-Dieter|doi=10.1007/978-3-319-06725-4|title=Set theory : exploring independence and truth|series=Universitext |date=2014|isbn=978-3-319-06725-4|location=Cham|publisher=[[Springer-Verlag]]}}