"black swan fallacy" meaning in English

{
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      "form": "black swan fallacies",
      "tags": [
        "plural"
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        "head": "black swan fallacy"
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      "expansion": "black swan fallacy (plural black swan fallacies)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "source": "w"
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      "examples": [
        {
          "ref": "2015, Robert V Kozinets, Netnography: Redefined, page 163",
          "text": "The black swan fallacy holds that if all you have ever observed in your field research are white swans, you might be tempted to conclude 'All swans are white'. However, a black swan was discovered in Australia. Therefore, all it takes is one black swan to falsify the general statement about the universality of white swans.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The logical error of discounting the possibility of something because no evidence has yet been observed for it."
      ],
      "id": "en-black_swan_fallacy-en-noun-qLLKFaAB",
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      ],
      "related": [
        {
          "word": "falsifiable"
        }
      ]
    }
  ],
  "word": "black swan fallacy"
}

{
  "forms": [
    {
      "form": "black swan fallacies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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        "head": "black swan fallacy"
      },
      "expansion": "black swan fallacy (plural black swan fallacies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "falsifiable"
    }
  ],
  "senses": [
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      "examples": [
        {
          "ref": "2015, Robert V Kozinets, Netnography: Redefined, page 163",
          "text": "The black swan fallacy holds that if all you have ever observed in your field research are white swans, you might be tempted to conclude 'All swans are white'. However, a black swan was discovered in Australia. Therefore, all it takes is one black swan to falsify the general statement about the universality of white swans.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The logical error of discounting the possibility of something because no evidence has yet been observed for it."
      ],
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          "logical"
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          "error",
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          "possibility"
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  "word": "black swan fallacy"
}