Editing Element (mathematics) (section)

==Further reading==
*{{Citation|last=Halmos|first=Paul R.|author-link=Paul R. Halmos|orig-year=1960|year=1974|title=Naive Set Theory|publisher=Springer-Verlag|location=NY|edition=Hardcover|series=[[Undergraduate Texts in Mathematics]]|isbn=0-387-90092-6|url-access=registration|url=https://archive.org/details/naivesettheory0000halm_r4g0}} - "Naive" means that it is not fully axiomatized, not that it is silly or easy (Halmos's treatment is neither).
*{{Citation|last=Jech|first=Thomas|author-link=Thomas Jech|year=2002|title=Stanford Encyclopedia of Philosophy|chapter=Set Theory|publisher=Metaphysics Research Lab, Stanford University|chapter-url=http://plato.stanford.edu/entries/set-theory/}}
*{{Citation|last=Suppes|first=Patrick|author-link=Patrick Suppes|orig-year=1960|year=1972|title=Axiomatic Set Theory|publisher=Dover Publications, Inc.|location=NY|isbn=0-486-61630-4|url-access=registration|url=https://archive.org/details/axiomaticsettheo00supp_0}} - Both the notion of set (a collection of members), membership or element-hood, the axiom of extension, the axiom of separation, and the union axiom (Suppes calls it the sum axiom) are needed for a more thorough understanding of "set element".

{{Mathematical logic}}
{{Set theory}}

[[Category:Basic concepts in set theory]]