"double counting" meaning in English

{
  "forms": [
    {
      "form": "double countings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "double counting (countable and uncountable, plural double countings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "An error in accounting, probability studies, etc. whereby some object or transaction is counted more than once."
      ],
      "id": "en-double_counting-en-noun-wiYQsAFc",
      "links": [
        [
          "error",
          "error"
        ],
        [
          "accounting",
          "accounting"
        ],
        [
          "probability",
          "probability"
        ],
        [
          "object",
          "object"
        ],
        [
          "transaction",
          "transaction"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    },
    {
      "glosses": [
        "A method in combinatorics that proves two expressions to be equal by demonstrating that they are different ways of counting the same set."
      ],
      "id": "en-double_counting-en-noun-bQF0amP4",
      "links": [
        [
          "method",
          "method"
        ],
        [
          "combinatorics",
          "combinatorics"
        ],
        [
          "expression",
          "expression"
        ],
        [
          "equal",
          "equal"
        ],
        [
          "set",
          "set"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "wikipedia": [
    "double counting"
  ],
  "word": "double counting"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "double counting",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "16 21 63",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "13 22 66",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "13 21 66",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "word": "double count"
        }
      ],
      "glosses": [
        "present participle and gerund of double count"
      ],
      "id": "en-double_counting-en-verb-KOfWxx4X",
      "links": [
        [
          "double count",
          "double count#English"
        ]
      ],
      "tags": [
        "form-of",
        "gerund",
        "participle",
        "present"
      ]
    }
  ],
  "wikipedia": [
    "double counting"
  ],
  "word": "double counting"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English non-lemma forms",
    "English nouns",
    "English uncountable nouns",
    "English verb forms",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "double countings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "double counting (countable and uncountable, plural double countings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "An error in accounting, probability studies, etc. whereby some object or transaction is counted more than once."
      ],
      "links": [
        [
          "error",
          "error"
        ],
        [
          "accounting",
          "accounting"
        ],
        [
          "probability",
          "probability"
        ],
        [
          "object",
          "object"
        ],
        [
          "transaction",
          "transaction"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    },
    {
      "glosses": [
        "A method in combinatorics that proves two expressions to be equal by demonstrating that they are different ways of counting the same set."
      ],
      "links": [
        [
          "method",
          "method"
        ],
        [
          "combinatorics",
          "combinatorics"
        ],
        [
          "expression",
          "expression"
        ],
        [
          "equal",
          "equal"
        ],
        [
          "set",
          "set"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "wikipedia": [
    "double counting"
  ],
  "word": "double counting"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English non-lemma forms",
    "English nouns",
    "English uncountable nouns",
    "English verb forms",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "double counting",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "double count"
        }
      ],
      "glosses": [
        "present participle and gerund of double count"
      ],
      "links": [
        [
          "double count",
          "double count#English"
        ]
      ],
      "tags": [
        "form-of",
        "gerund",
        "participle",
        "present"
      ]
    }
  ],
  "wikipedia": [
    "double counting"
  ],
  "word": "double counting"
}