• (link), "Planetmath.org | Math for the people, by the people". Archived from the original on 2016-06-11. Retrieved 2008-05-02. "Helping PlanetMath". Archived...
    8 KB (774 words) - 16:36, 4 May 2025
  • 2023-03-28. MathWorld Q&A: What is the history of MathWorld? Wolfram MathWorld Last updated: Sat Apr 12 2025. Corneli, Joseph (2011). "The PlanetMath Encyclopedia"...
    5 KB (453 words) - 06:31, 2 July 2025
  • Thumbnail for Sofya Kovalevskaya
    Sofya Kovalevskaya (category Wikipedia articles incorporating text from PlanetMath)
    lexikon This article incorporates material from Sofia Kovalevskaya on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike...
    30 KB (3,452 words) - 23:03, 20 July 2025
  • Thumbnail for Complemented lattice
    "Complemented lattice". PlanetMath. "Relative complement". PlanetMath. "Uniquely complemented lattice". PlanetMath. "Orthocomplemented lattice". PlanetMath....
    9 KB (876 words) - 15:48, 30 May 2025
  • Thumbnail for Klein bottle
    Klein bottle (category Wikipedia articles incorporating text from PlanetMath)
    bottle on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike License. Weisstein, Eric W. "Klein Bottle". MathWorld. Alling...
    20 KB (2,874 words) - 14:38, 22 June 2025
  • ISBN 978-0-8218-3679-8. This article incorporates material from Millennium Problems on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike...
    24 KB (2,626 words) - 06:37, 6 May 2025
  • Thumbnail for Tree (set theory)
    Exercise 56 on pp. 68–69. tree (set theoretic) by Henry on PlanetMath branch by Henry on PlanetMath example of tree (set theoretic) by uzeromay on PlanetMath...
    12 KB (1,558 words) - 20:13, 13 July 2025
  • googolplex at Wiktionary Weisstein, Eric W. "Googolplex". MathWorld. googolplex at PlanetMath. Padilla, Tony; Symonds, Ria. "Googol and Googolplex". Numberphile...
    8 KB (834 words) - 12:49, 30 May 2025
  • Boaz (Spring 2006). "Complexity of counting" (PDF). Princeton University. "counting problem". PlanetMath. "counting complexity class". PlanetMath. v t e...
    2 KB (169 words) - 22:27, 31 May 2024
  • Hurwitz-stable matrix (category Wikipedia articles incorporating text from PlanetMath)
    material from Hurwitz matrix on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike License. "Hurwitz matrix". PlanetMath....
    3 KB (407 words) - 21:04, 14 April 2025
  • Continuum hypothesis (category Wikipedia articles incorporating text from PlanetMath)
    article incorporates material from Generalized continuum hypothesis on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike...
    32 KB (4,060 words) - 22:46, 11 July 2025
  • Binomial theorem (category Wikipedia articles incorporating text from PlanetMath)
    article incorporates material from inductive proof of binomial theorem on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike...
    42 KB (6,745 words) - 08:31, 25 July 2025
  • Thumbnail for Image (mathematics)
    Image (mathematics) (category Wikipedia articles incorporating text from PlanetMath)
    print disabilities) This article incorporates material from Fibre on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike...
    19 KB (2,427 words) - 05:46, 15 July 2025
  • Zeno's paradoxes (category Wikipedia articles incorporating text from PlanetMath)
    Philosophy. This article incorporates material from Zeno's paradox on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike...
    43 KB (4,623 words) - 02:58, 28 July 2025
  • Arzelà–Ascoli theorem (category Wikipedia articles incorporating text from PlanetMath)
    ISBN 978-0-07-054235-8 This article incorporates material from Ascoli–Arzelà theorem on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike...
    27 KB (3,819 words) - 12:15, 7 April 2025
  • Banach fixed-point theorem (category Wikipedia articles incorporating text from PlanetMath)
    This article incorporates material from Banach fixed point theorem on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike...
    17 KB (2,745 words) - 19:58, 29 January 2025
  • Metrizable space (category Wikipedia articles incorporating text from PlanetMath)
    no. 2, 293–300. This article incorporates material from Metrizable on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike...
    7 KB (855 words) - 19:15, 10 April 2025
  • Machine This article incorporates material from Millennium Problems on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike...
    11 KB (1,047 words) - 16:40, 31 March 2025
  • Integer (category Wikipedia articles incorporating text from PlanetMath)
    cf OEIS Weisstein, Eric W. "Integer". MathWorld. This article incorporates material from Integer on PlanetMath, which is licensed under the Creative Commons...
    35 KB (3,979 words) - 14:40, 7 July 2025
  • 2010. Corneli, Joseph (2011). "The PlanetMath Encyclopedia" (PDF). ITP 2011 Workshop on Mathematical Wikis (MathWikis 2011) Nijmegen, Netherlands, August...
    9 KB (721 words) - 20:22, 12 January 2025
  • details see Steen and Seebach. "Hausdorff space not completely Hausdorff". PlanetMath. Steen, Lynn Arthur; Seebach, J. Arthur Jr. (1995) [1978], Counterexamples...
    5 KB (558 words) - 13:41, 16 September 2024
  • Automorphic form (category Wikipedia articles incorporating text from PlanetMath)
    ISBN 9780608066042 This article incorporates material from Jules Henri Poincaré on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike...
    13 KB (1,652 words) - 04:27, 18 May 2025
  • Thumbnail for Bernstein polynomial
    Bernstein polynomial (category Wikipedia articles incorporating text from PlanetMath)
    article incorporates material from properties of Bernstein polynomial on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike...
    26 KB (4,491 words) - 17:53, 1 July 2025
  • Thumbnail for Inclusion–exclusion principle
    Inclusion–exclusion principle (category Wikipedia articles incorporating text from PlanetMath)
    article incorporates material from principle of inclusion–exclusion on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike...
    40 KB (6,840 words) - 15:54, 27 January 2025
  • Geometry by Its History, Springer, p. 112, ISBN 978-3-642-29162-3 Weisstein, Eric W. "Stewart's Theorem". MathWorld. Stewart's Theorem at PlanetMath....
    6 KB (838 words) - 14:28, 3 November 2024
  • Thumbnail for Bisection
    Bisection (category Wikipedia articles incorporating text from PlanetMath)
    Weisstein, Eric W. "Line Bisector". MathWorld. This article incorporates material from Angle bisector on PlanetMath, which is licensed under the Creative...
    20 KB (3,093 words) - 17:28, 6 February 2025
  • Thumbnail for Compact space
    Compact space (category Wikipedia articles incorporating text from PlanetMath)
    compactness". arXiv:1006.4131v1 [math.HO]. This article incorporates material from Examples of compact spaces on PlanetMath, which is licensed under the Creative...
    45 KB (5,704 words) - 04:39, 27 June 2025
  • Progressive function (category Wikipedia articles incorporating text from PlanetMath)
    ISBN 978-3-540-66951-7. This article incorporates material from progressive function on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike...
    2 KB (341 words) - 05:41, 27 August 2024
  • Thumbnail for Line segment
    Line segment (category Wikipedia articles incorporating text from PlanetMath)
    the free dictionary. Weisstein, Eric W. "Line segment". MathWorld. Line Segment at PlanetMath Copying a line segment with compass and straightedge Dividing...
    11 KB (1,526 words) - 21:16, 8 July 2025
  • Encyclopedia of Mathematics, EMS Press, 2001 [1994] "Schauder fixed point theorem". PlanetMath. "proof of Schauder Fixed Point Theorem". PlanetMath.....
    3 KB (425 words) - 15:23, 30 June 2025