{
  "id": "class.category",
  "term": "class",
  "sense": "category",
  "pos": "noun",
  "status": "review",
  "level": 5,
  "arena": "class",
  "domain": "taxonomy",
  "style": null,
  "definition": "a set of things that do not differ in type",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "sets.grouped",
      "type.category",
      "difference.relation"
    ],
    "interaction": "the set collects things while type and difference determine sameness, allowing a class to emerge",
    "novel_properties": [
      "categorical unity",
      "internal indifference",
      "type-based grouping"
    ]
  },
  "examples": [
    {
      "text": "The Boeing 747 fleet shares a type-certified airframe design across all units produced from 1969 to 2023.",
      "domain": "engineering"
    },
    {
      "text": "Homo sapiens sapiens individuals are grouped as a biological class based on shared genomic markers and reproductive compatibility.",
      "domain": "biology"
    },
    {
      "text": "All instances of Bitcoin version 0.1.5 belong to the same software class, released on February 11, 2009.",
      "domain": "computing"
    }
  ],
  "relations": [
    {
      "id": "sets.grouped",
      "note": "is-a",
      "type": "is-a"
    }
  ],
  "used_by": [],
  "forms": [
    "class",
    "classes"
  ],
  "closed": true,
  "provenance": {
    "author": "openrouter:openai/gpt-oss-120b",
    "date": "2026-07-29",
    "confidence": 0.6,
    "reconciled": {
      "by": "openrouter:qwen/qwen3-235b-a22b-2507",
      "date": "2026-07-31",
      "changed": "components",
      "note": "Added 'difference.relation' as constitutive, since the definition's 'not differ' implicitly relies on a prior sense of difference; both 'type.category' and 'sets.grouped' depend on it contextually. No"
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-class.category"
}