"Tupper's self-referential formula" meaning in English

{
  "etymology_text": "Defined (but not given this name) by Jeff Tupper.",
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      "expansion": "Tupper's self-referential formula",
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  "lang_code": "en",
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      "glosses": [
        "An inequality that visually represents itself when graphed at a specific location in the (x, y) plane."
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      "raw_glosses": [
        "(mathematics) An inequality that visually represents itself when graphed at a specific location in the (x, y) plane."
      ],
      "topics": [
        "mathematics",
        "sciences"
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  "word": "Tupper's self-referential formula"
}

{
  "etymology_text": "Defined (but not given this name) by Jeff Tupper.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Tupper's self-referential formula",
      "name": "en-prop"
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  "lang_code": "en",
  "pos": "name",
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    {
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        "English entries with incorrect language header",
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        "en:Mathematics"
      ],
      "glosses": [
        "An inequality that visually represents itself when graphed at a specific location in the (x, y) plane."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "inequality",
          "inequality"
        ],
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          "graph",
          "graph"
        ],
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          "plane",
          "plane"
        ]
      ],
      "raw_glosses": [
        "(mathematics) An inequality that visually represents itself when graphed at a specific location in the (x, y) plane."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "Tupper's self-referential formula"
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