"short exact sequence" meaning in All languages combined

{
  "forms": [
    {
      "form": "short exact sequences",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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        "head": "short exact sequence"
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      "expansion": "short exact sequence (plural short exact sequences)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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        {
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      ],
      "glosses": [
        "An exact sequence of the form 0→A→B→C→0."
      ],
      "id": "en-short_exact_sequence-en-noun-Uu4btrTR",
      "links": [
        [
          "homological algebra",
          "homological algebra"
        ],
        [
          "exact sequence",
          "exact sequence"
        ]
      ],
      "qualifier": "homological algebra",
      "raw_glosses": [
        "(homological algebra) An exact sequence of the form 0→A→B→C→0."
      ],
      "wikipedia": [
        "short exact sequence"
      ]
    }
  ],
  "word": "short exact sequence"
}

{
  "forms": [
    {
      "form": "short exact sequences",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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        "head": "short exact sequence"
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      "expansion": "short exact sequence (plural short exact sequences)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "An exact sequence of the form 0→A→B→C→0."
      ],
      "links": [
        [
          "homological algebra",
          "homological algebra"
        ],
        [
          "exact sequence",
          "exact sequence"
        ]
      ],
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      "raw_glosses": [
        "(homological algebra) An exact sequence of the form 0→A→B→C→0."
      ],
      "wikipedia": [
        "short exact sequence"
      ]
    }
  ],
  "word": "short exact sequence"
}