{
  "id": "category.group",
  "term": "category",
  "sense": "group",
  "pos": "noun",
  "status": "review",
  "level": 9,
  "arena": "EmergenceLexicon",
  "domain": "category",
  "style": null,
  "definition": "a set of things that share a kind",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "sets.grouped",
      "type.category",
      "pattern.regularity",
      "share.distribution"
    ],
    "interaction": "when a set of things is bounded together because they are of the same kind, a category emerges",
    "novel_properties": [
      "shared kind identification",
      "cross-instance similarity",
      "class membership"
    ]
  },
  "examples": [
    {
      "text": "The Linux kernel classifies system calls into groups like 'file operations' or 'process control'.",
      "domain": "computing"
    },
    {
      "text": "Biologists group all felines under the taxonomic category Felidae based on shared morphological traits.",
      "domain": "biology"
    },
    {
      "text": "The International Building Code separates structures into occupancy categories such as 'residential' or 'assembly'.",
      "domain": "engineering"
    }
  ],
  "relations": [
    {
      "id": "type.category",
      "note": "is-a",
      "type": "is-a"
    },
    {
      "id": "sets.grouped",
      "note": "abstracts",
      "type": "abstracts"
    }
  ],
  "used_by": [],
  "forms": [
    "categories",
    "category"
  ],
  "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": "factual",
      "note": "Definition was factually wrong — originally omitted constitutive concepts that are required for 'sharing a kind'. Added pattern.regularity (what is the same across instances) and share.distribution (t"
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-category.group"
}