"disjoint union" meaning in All languages combined

See disjoint union on Wiktionary

Noun [English]

Forms: disjoint unions [plural]
Head templates: {{en-noun}} disjoint union (plural disjoint unions)
  1. (mathematics) A union of sets forced to be disjoint by attaching information referring to the original sets to their elements (i.e., by using indexing). Categories (topical): Mathematics, Set theory Synonyms (union of sets forced to be disjoint): discriminated union Translations (union of sets forced to be disjoint): unione disgiunta [feminine] (Italian), disjunkt union (Swedish)
    Sense id: en-disjoint_union-en-noun-RsZSwq3O Disambiguation of Set theory: 27 33 40 Categories (other): English entries with incorrect language header, English terms with non-redundant non-automated sortkeys Disambiguation of English entries with incorrect language header: 25 36 39 Disambiguation of English terms with non-redundant non-automated sortkeys: 25 34 41 Topics: mathematics, sciences Disambiguation of 'union of sets forced to be disjoint': 47 35 19 Disambiguation of 'union of sets forced to be disjoint': 47 35 19
  2. (mathematics) A union of sets which are already pairwise disjoint. Categories (topical): Mathematics, Set theory Synonyms (union of already disjoint sets): discriminated union Translations (union of already disjoint sets): unione disgiunta [feminine] (Italian), disjunkt union (Swedish)
    Sense id: en-disjoint_union-en-noun-VaFQCulz Disambiguation of Set theory: 27 33 40 Categories (other): English entries with incorrect language header, English terms with non-redundant non-automated sortkeys Disambiguation of English entries with incorrect language header: 25 36 39 Disambiguation of English terms with non-redundant non-automated sortkeys: 25 34 41 Topics: mathematics, sciences Disambiguation of 'union of already disjoint sets': 28 41 32 Disambiguation of 'union of already disjoint sets': 28 41 32
  3. (topology) The disjoint union of the underlying sets of a given family of topological spaces, equipped with a topology. Categories (topical): Topology, Category theory, Set theory Synonyms (union of topological spaces equipped with a topology): coproduct, direct sum, free sum, free union, topological sum Translations (union of topologies): sundurlæga sammengi [neuter] (Icelandic)
    Sense id: en-disjoint_union-en-noun-td2xY1g6 Disambiguation of Category theory: 23 27 50 Disambiguation of Set theory: 27 33 40 Categories (other): English entries with incorrect language header, English entries with topic categories using raw markup, English terms with non-redundant non-automated sortkeys Disambiguation of English entries with incorrect language header: 25 36 39 Disambiguation of English entries with topic categories using raw markup: 27 32 41 Disambiguation of English terms with non-redundant non-automated sortkeys: 25 34 41 Topics: mathematics, sciences, topology Disambiguation of 'union of topological spaces equipped with a topology': 13 17 70 Disambiguation of 'union of topologies': 25 32 43
The following are not (yet) sense-disambiguated
Derived forms: disjoint union topology Related terms: coproduct, disjunctive union, product topology

Inflected forms

Download JSON data for disjoint union meaning in All languages combined (6.0kB)

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        {
          "_dis1": "47 35 19",
          "code": "it",
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          "sense": "union of sets forced to be disjoint",
          "tags": [
            "feminine"
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      "id": "en-disjoint_union-en-noun-VaFQCulz",
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        "(mathematics) A union of sets which are already pairwise disjoint."
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          "_dis1": "28 41 32",
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        "(topology) The disjoint union of the underlying sets of a given family of topological spaces, equipped with a topology."
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          "_dis1": "13 17 70",
          "sense": "union of topological spaces equipped with a topology",
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          "_dis1": "13 17 70",
          "sense": "union of topological spaces equipped with a topology",
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        "(mathematics) A union of sets forced to be disjoint by attaching information referring to the original sets to their elements (i.e., by using indexing)."
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        "(mathematics) A union of sets which are already pairwise disjoint."
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      "code": "sv",
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    },
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      ],
      "word": "sundurlæga sammengi"
    }
  ],
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  ],
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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 2024-05-03 from the enwiktionary dump dated 2024-05-02 using wiktextract (f4fd8c9 and c9440ce). 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.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.