"QED" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "英語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語 間投詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語_ラテン語由来",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "ラテン語: QED"
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "intj",
  "pos_title": "間投詞",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "英語 数学",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "（日本語に同じ）QED"
      ],
      "id": "ja-QED-en-intj-axWrExyu",
      "topics": [
        "mathematics"
      ]
    }
  ],
  "word": "QED"
}

{
  "categories": [
    {
      "kind": "other",
      "name": "ラテン語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "ラテン語_略語",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "ラテン語",
  "lang_code": "la",
  "pos": "abbrev",
  "pos_title": "略語",
  "senses": [
    {
      "glosses": [
        "（数学）quod erat demonstrandum の略。「証明された」の意。証明の最後に置く。"
      ],
      "id": "ja-QED-la-abbrev-WYrSTBZC"
    }
  ],
  "tags": [
    "abbreviation"
  ],
  "word": "QED"
}

{
  "categories": [
    "ラテン語",
    "ラテン語_略語"
  ],
  "lang": "ラテン語",
  "lang_code": "la",
  "pos": "abbrev",
  "pos_title": "略語",
  "senses": [
    {
      "glosses": [
        "（数学）quod erat demonstrandum の略。「証明された」の意。証明の最後に置く。"
      ]
    }
  ],
  "tags": [
    "abbreviation"
  ],
  "word": "QED"
}

{
  "categories": [
    "英語",
    "英語 間投詞",
    "英語_ラテン語由来"
  ],
  "etymology_texts": [
    "ラテン語: QED"
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "intj",
  "pos_title": "間投詞",
  "senses": [
    {
      "categories": [
        "英語 数学"
      ],
      "glosses": [
        "（日本語に同じ）QED"
      ],
      "topics": [
        "mathematics"
      ]
    }
  ],
  "word": "QED"
}