"deductive closure" meaning in English

{
  "forms": [
    {
      "form": "deductive closures",
      "tags": [
        "plural"
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  ],
  "head_templates": [
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      "args": {},
      "expansion": "deductive closure (plural deductive closures)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "name": "English entries with incorrect language header",
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          "source": "w"
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      ],
      "glosses": [
        "The set of all the statements that can be deduced from a given set of statements."
      ],
      "id": "en-deductive_closure-en-noun-OQ~NfmYC",
      "wikipedia": [
        "deductive closure"
      ]
    }
  ],
  "word": "deductive closure"
}

{
  "forms": [
    {
      "form": "deductive closures",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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      "expansion": "deductive closure (plural deductive closures)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
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      ],
      "glosses": [
        "The set of all the statements that can be deduced from a given set of statements."
      ],
      "wikipedia": [
        "deductive closure"
      ]
    }
  ],
  "word": "deductive closure"
}