Union (set theory) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Union (set theory)" in English language version.

refsWebsite

Global rank English rank

4books.google.com

3^rd place

3^rd place

2web.archive.org

1^st place

1^st place

513^th place

537^th place

1probabilitycourse.com

low place

low place

low place

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6^th place

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311^th place

239^th place

archive.org

Smith, Douglas; Eggen, Maurice; Andre, Richard St (2014-08-01). A Transition to Advanced Mathematics. Cengage Learning. ISBN 9781285463261.

books.google.com

Vereshchagin, Nikolai Konstantinovich; Shen, Alexander (2002-01-01). Basic Set Theory. American Mathematical Soc. ISBN 9780821827314.
deHaan, Lex; Koppelaars, Toon (2007-10-25). Applied Mathematics for Database Professionals. Apress. ISBN 9781430203483.
Halmos, P. R. (2013-11-27). Naive Set Theory. Springer Science & Business Media. ISBN 9781475716450.
Dasgupta, Abhijit (2013-12-11). Set Theory: With an Introduction to Real Point Sets. Springer Science & Business Media. ISBN 9781461488545.

probabilitycourse.com

"Set Operations | Union | Intersection | Complement | Difference | Mutually Exclusive | Partitions | De Morgan's Law | Distributive Law | Cartesian Product". Probability Course. Retrieved 2020-09-05.

proofwiki.org

"Finite Union of Finite Sets is Finite". ProofWiki. Archived from the original on 11 September 2014. Retrieved 29 April 2018.

unicode.org

"The Unicode Standard, Version 15.0 – Mathematical Operators – Range: 2200–22FF" (PDF). Unicode. p. 3.

web.archive.org

Weisstein, Eric W. "Union". Wolfram Mathworld. Archived from the original on 2009-02-07. Retrieved 2009-07-14.
"Finite Union of Finite Sets is Finite". ProofWiki. Archived from the original on 11 September 2014. Retrieved 29 April 2018.

wolfram.com

mathworld.wolfram.com

Weisstein, Eric W. "Union". Wolfram Mathworld. Archived from the original on 2009-02-07. Retrieved 2009-07-14.