Countable set (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Countable set" in English language version.

Last modified: 00:18:57, 4 August 2026 (UTC)

Ref.Un. Ref.Website

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129books.google.com

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11web.archive.org

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archive.org (Global: 6^th place; English: 6^th place)

Apostol 1969, p. 23, Chapter 1.14 Apostol, Tom M. (June 1969), Multi-Variable Calculus and Linear Algebra with Applications, vol. 2 (2nd ed.), New York: John Wiley + Sons, ISBN 978-0-471-00007-5

books.google.com (Global: 3^rd place; English: 3^rd place)

Manetti, Marco (19 June 2015). Topology. Springer. p. 26. ISBN 978-3-319-16958-3.
Thierry, Vialar (4 April 2017). Handbook of Mathematics. BoD - Books on Demand. p. 24. ISBN 978-2-9551990-1-5.
Mukherjee, Subir Kumar (2009). First Course in Real Analysis. Academic Publishers. p. 22. ISBN 978-81-89781-90-3.
Yaqub, Aladdin M. (24 October 2014). An Introduction to Metalogic. Broadview Press. ISBN 978-1-4604-0244-3.
Singh, Tej Bahadur (17 May 2019). Introduction to Topology. Springer. p. 422. ISBN 978-981-13-6954-4.
Katzourakis, Nikolaos; Varvaruca, Eugen (2 January 2018). An Illustrative Introduction to Modern Analysis. CRC Press. ISBN 978-1-351-76532-9.
Dlab, Vlastimil; Williams, Kenneth S. (9 June 2020). Invitation To Algebra: A Resource Compendium For Teachers, Advanced Undergraduate Students And Graduate Students In Mathematics. World Scientific. p. 8. ISBN 978-981-12-1999-3.
Stillwell, John C. (2010), Roads to Infinity: The Mathematics of Truth and Proof, CRC Press, p. 10, ISBN 9781439865507, Cantor's discovery of uncountable sets in 1874 was one of the most unexpected events in the history of mathematics. Before 1874, infinity was not even considered a legitimate mathematical subject by most people, so the need to distinguish between countable and uncountable infinities could not have been imagined.
Hrbacek, Karel; Jech, Thomas (22 June 1999). Introduction to Set Theory, Third Edition, Revised and Expanded. CRC Press. p. 141. ISBN 978-0-8247-7915-3.

doi.org (Global: 2^nd place; English: 2^nd place)

Tao 2016, p. 181 Tao, Terence (2016). "Infinite sets". Analysis I. Texts and Readings in Mathematics. Vol. 37 (Third ed.). Singapore: Springer. pp. 181–210. doi:10.1007/978-981-10-1789-6_8. ISBN 978-981-10-1789-6.
Tao 2016, p. 182 Tao, Terence (2016). "Infinite sets". Analysis I. Texts and Readings in Mathematics. Vol. 37 (Third ed.). Singapore: Springer. pp. 181–210. doi:10.1007/978-981-10-1789-6_8. ISBN 978-981-10-1789-6.

expii.com (Global: low place; English: low place)

"What Are Sets and Roster Form?". expii. 2021-05-09. Archived from the original on 2020-09-18.

springer.com (Global: 182^nd place; English: 172^nd place)

link.springer.com

Tao 2016, p. 181 Tao, Terence (2016). "Infinite sets". Analysis I. Texts and Readings in Mathematics. Vol. 37 (Third ed.). Singapore: Springer. pp. 181–210. doi:10.1007/978-981-10-1789-6_8. ISBN 978-981-10-1789-6.
Tao 2016, p. 182 Tao, Terence (2016). "Infinite sets". Analysis I. Texts and Readings in Mathematics. Vol. 37 (Third ed.). Singapore: Springer. pp. 181–210. doi:10.1007/978-981-10-1789-6_8. ISBN 978-981-10-1789-6.

web.archive.org (Global: 1^st place; English: 1^st place)

"What Are Sets and Roster Form?". expii. 2021-05-09. Archived from the original on 2020-09-18.