• Thumbnail for Hyperreal number
    mathematics, hyperreal numbers are an extension of the real numbers to include certain classes of infinite and infinitesimal numbers. A hyperreal number x {\displaystyle...
    33 KB (4,923 words) - 09:52, 14 December 2024
  • Thumbnail for Infinitesimal
    the standard real number system, but they do exist in other number systems, such as the surreal number system and the hyperreal number system, which can...
    37 KB (5,092 words) - 16:37, 6 March 2025
  • Look up hyperreal, hyperrealism, hyperreality, or hyperreal number in Wiktionary, the free dictionary. Hyperreal may refer to: Hyperreal numbers, an extension...
    652 bytes (119 words) - 03:57, 9 April 2023
  • In nonstandard analysis, a hyperinteger n is a hyperreal number that is equal to its own integer part. A hyperinteger may be either finite or infinite...
    2 KB (294 words) - 10:37, 22 November 2024
  • Keisler. The subtitle alludes to the infinitesimal numbers of the hyperreal number system of Abraham Robinson and is sometimes given as An approach using...
    13 KB (1,370 words) - 18:05, 24 January 2025
  • Chronology Cuisenaire rods Extended real number line Hyperreal number line Imaginary line (mathematics) Line (geometry) Number form (neurological phenomenon) One-dimensional...
    20 KB (2,549 words) - 17:44, 4 April 2025
  • transfer principle for any hyperreal number system. Its most common use is in Abraham Robinson's nonstandard analysis of the hyperreal numbers, where the transfer...
    18 KB (2,700 words) - 20:48, 30 May 2024
  • Thumbnail for Surreal number
    functions, the Levi-Civita field, the superreal numbers (including the hyperreal numbers) can be realized as subfields of the surreals. The surreals also...
    84 KB (11,658 words) - 15:58, 14 May 2025
  • Thumbnail for Nonstandard analysis
    article Hyperreal number for a discussion of some of the relevant ideas. In this section we outline one of the simplest approaches to defining a hyperreal field...
    31 KB (3,978 words) - 00:54, 22 April 2025
  • Thumbnail for Number
    numbers correspond to the same cardinal number. Hyperreal numbers are used in non-standard analysis. The hyperreals, or nonstandard reals (usually denoted...
    66 KB (8,359 words) - 04:26, 12 May 2025
  • the set of points infinitesimally close to a given point. Given a hyperreal number x in R∗, the monad of x is the set monad ( x ) = { y ∈ R ∗ ∣ x − y...
    1 KB (134 words) - 09:29, 25 August 2023
  • Thumbnail for Almost everywhere
    holds is in F. For example, one construction of the hyperreal number system defines a hyperreal number as an equivalence class of sequences that are equal...
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  • tends to zero. In the hyperreal approach, the quantity Δ x {\displaystyle \Delta x} is taken to be an infinitesimal, a nonzero number that is closer to 0...
    25 KB (3,981 words) - 00:52, 10 February 2025
  • of real numbers, the field of real algebraic numbers, and the field of hyperreal numbers. A real closed field is a field F in which any of the following...
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  • Thumbnail for Real number
    sentences in first-order logic as the real numbers themselves. The set of hyperreal numbers satisfies the same first order sentences as R {\displaystyle \mathbb...
    61 KB (8,195 words) - 16:29, 17 April 2025
  • ultrapowers can be used to construct new fields from given ones. The hyperreal numbers, an ultrapower of the real numbers, are a special case of this...
    18 KB (3,108 words) - 20:35, 16 August 2024
  • Thumbnail for Fluxion
    fluents, and remains in use today. History of calculus Newton's notation Hyperreal number: A modern formalization of the reals that includes infinity and infinitesimals...
    5 KB (687 words) - 03:31, 21 February 2025
  • Thumbnail for Infinity
    part of a hyperreal field; there is no equivalence between them as with the Cantorian transfinites. For example, if H is an infinite number in this sense...
    54 KB (6,115 words) - 00:32, 19 May 2025
  • the standard part function "st" rounds off each finite hyperreal number to the nearest real number (the difference between them is infinitesimal). This...
    37 KB (6,042 words) - 17:28, 17 March 2025
  • the limited (finite) hyperreal numbers to the real numbers. Briefly, the standard part function "rounds off" a finite hyperreal to the nearest real. It...
    7 KB (1,079 words) - 03:30, 3 December 2024
  • infinitesimals are introduced. Differentials as infinitesimals in hyperreal number systems, which are extensions of the real numbers that contain invertible...
    26 KB (3,906 words) - 23:59, 22 February 2025
  • introduced by H. Garth Dales and W. Hugh Woodin as a generalization of the hyperreal numbers and primarily of interest in non-standard analysis, model theory...
    3 KB (287 words) - 19:30, 23 July 2024
  • Thumbnail for Integral
    integral as the standard part of an infinite Riemann sum, based on the hyperreal number system. The notation for the indefinite integral was introduced by...
    69 KB (9,288 words) - 06:17, 25 April 2025
  • Thumbnail for Product rule
    analysis, specifically the hyperreal numbers. Using st to denote the standard part function that associates to a finite hyperreal number the real infinitely...
    20 KB (4,201 words) - 03:09, 20 April 2025
  • infinitesimals are introduced. Differentials as infinitesimals in hyperreal number systems, which are extensions of the real numbers which contain invertible...
    32 KB (4,766 words) - 05:06, 4 May 2025
  • equivalent to saying a hyperreal number x such that −n < x < n for some standard integer n. The residue field, finite hyperreal numbers modulo the ideal...
    23 KB (3,698 words) - 08:43, 8 December 2024
  • science) Non-standard analysis Non-standard calculus Hyperinteger Hyperreal number Transfer principle Overspill Elementary Calculus: An Infinitesimal...
    14 KB (1,012 words) - 00:08, 16 November 2024
  • 0.999... (category 1 (number))
    rational and real numbers. Real numbers may be enlarged into number systems, such as hyperreal numbers, with infinitely small numbers (infinitesimals) and...
    90 KB (11,684 words) - 03:11, 19 May 2025
  • complexity Elementary class Elementary equivalence First-order theories Hyperreal number Institutional model theory Kripke semantics Löwenheim–Skolem theorem...
    63 KB (9,065 words) - 10:26, 2 April 2025
  • condominium complex in Guttenberg, New Jersey, U.S. The galaxy of a hyperreal number in mathematical non-standard analysis Galactic (disambiguation) Galax...
    6 KB (708 words) - 06:53, 25 February 2025