"Dedekind cut" meaning in All languages combined

See Dedekind cut on Wiktionary

Noun [English]

Forms: Dedekind cuts [plural]
Etymology: Named after German mathematician Richard Dedekind (1831–1916), who introduced the concept (although a similar construction was used in Euclid's Elements to define proportional segments). Head templates: {{en-noun}} Dedekind cut (plural Dedekind cuts)
  1. (mathematics) Any partition of the set of rational numbers into non-empty sets A and B such that all elements of A are less than all elements of B and A contains no greatest element; intended as a construction of a real number. Wikipedia link: Dedekind cut, Richard Dedekind Categories (topical): Mathematics Translations (partition of rational numbers): Dedekindin leikkaus (Finnish), coupure de Dedekind [feminine] (French), przekrój Dedekinda [masculine] (Polish)

Inflected forms

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  "etymology_text": "Named after German mathematician Richard Dedekind (1831–1916), who introduced the concept (although a similar construction was used in Euclid's Elements to define proportional segments).",
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        {
          "ref": "1990, Judith Roitman, Introduction to Modern Set Theory, Wiley, page 70:",
          "text": "More than one formal solution was offered; the one which is easiest to work with (all of the solutions are provably equivalent) is the method of Dedekind cuts.",
          "type": "quote"
        },
        {
          "ref": "1997, Reuben Hersh, What is Mathematics, Really?, Oxford University Press, page 274:",
          "text": "To identify Dedekind cuts as the sought-for \"real number system,\" we must show that they include all the rationals and irrationals—all the numbers that can be approximated with arbitrary accuracy by rationals.",
          "type": "quote"
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        {
          "ref": "2011, Alexander R. Pruss, Actuality, Possibility, and Worlds, Continuum Books, page 55:",
          "text": "But there are, of course, many set theoretic ways of expressing Riemannian manifolds, just as there are many set theoretic ways of expressing real numbers (one can express them as pairs of lower and upper Dedekind cuts, or as lower Dedekind cuts, or as upper Dedekind cuts, or as equivalence classes of Cauchy sequences, and so on).",
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        "Any partition of the set of rational numbers into non-empty sets A and B such that all elements of A are less than all elements of B and A contains no greatest element; intended as a construction of a real number."
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        "(mathematics) Any partition of the set of rational numbers into non-empty sets A and B such that all elements of A are less than all elements of B and A contains no greatest element; intended as a construction of a real number."
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        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "partition of rational numbers",
          "word": "Dedekindin leikkaus"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "partition of rational numbers",
          "tags": [
            "feminine"
          ],
          "word": "coupure de Dedekind"
        },
        {
          "code": "pl",
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          "sense": "partition of rational numbers",
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            "masculine"
          ],
          "word": "przekrój Dedekinda"
        }
      ],
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        "Dedekind cut",
        "Richard Dedekind"
      ]
    }
  ],
  "word": "Dedekind cut"
}
{
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          "type": "quote"
        },
        {
          "ref": "1997, Reuben Hersh, What is Mathematics, Really?, Oxford University Press, page 274:",
          "text": "To identify Dedekind cuts as the sought-for \"real number system,\" we must show that they include all the rationals and irrationals—all the numbers that can be approximated with arbitrary accuracy by rationals.",
          "type": "quote"
        },
        {
          "ref": "2011, Alexander R. Pruss, Actuality, Possibility, and Worlds, Continuum Books, page 55:",
          "text": "But there are, of course, many set theoretic ways of expressing Riemannian manifolds, just as there are many set theoretic ways of expressing real numbers (one can express them as pairs of lower and upper Dedekind cuts, or as lower Dedekind cuts, or as upper Dedekind cuts, or as equivalence classes of Cauchy sequences, and so on).",
          "type": "quote"
        }
      ],
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        "Any partition of the set of rational numbers into non-empty sets A and B such that all elements of A are less than all elements of B and A contains no greatest element; intended as a construction of a real number."
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      ],
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        "mathematics",
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  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "partition of rational numbers",
      "word": "Dedekindin leikkaus"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "partition of rational numbers",
      "tags": [
        "feminine"
      ],
      "word": "coupure de Dedekind"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "partition of rational numbers",
      "tags": [
        "masculine"
      ],
      "word": "przekrój Dedekinda"
    }
  ],
  "word": "Dedekind cut"
}

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This page is a part of the kaikki.org machine-readable All languages combined dictionary. This dictionary is based on structured data extracted on 2024-12-15 from the enwiktionary dump dated 2024-12-04 using wiktextract (8a39820 and 4401a4c). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

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