{
  "aliases": [
    "norm-descriptive-set-theory",
    "prewellordering-property",
    "reduction-property",
    "regular-norm"
  ],
  "backlinks": null,
  "body": "\n## Summary\n\nIn set theory, a **prewellordering** on a [[set|0BSJ7RQ9BW]] $X$ is a [[preorder|0VABYWJWH9]] $\\leq$ on $X$ (a [[transitive|0CYRECG2YQ]] and [[reflexive|0X8NMST0J2]] relation on $X$) that is strongly connected (meaning that any two points are comparable) and [[well-founded|0230ECX1Q5]] in the sense that the induced relation $x \u003c y$ defined by $x \\leq y \\text{ and } y \\nleq x$ is a [[well-founded relation|0230ECX1Q5]].\n",
  "commit": "4a3290d299c8b2cd6493fce2296920ba7f82d942",
  "front": {
    "aliases": [
      "norm-descriptive-set-theory",
      "prewellordering-property",
      "reduction-property",
      "regular-norm"
    ],
    "inventory": [
      "76CWJD54R7"
    ],
    "kind": "concept",
    "name": "Prewellordering",
    "same_as": {
      "wikidata": "Q7242444",
      "wikipedia": "Prewellordering"
    },
    "sources": [
      {
        "locator": "Prewellordering",
        "mention": "wikipedia://en/2137523",
        "note": "adopted",
        "sections": [
          "Summary"
        ],
        "wikipedia": "en:2137523@r1273597295"
      }
    ],
    "tag": "WDNCGJAEWN"
  },
  "kind": "concept",
  "link": "https://math2.tamnd.com/node/WDNCGJAEWN/",
  "links": null,
  "markdown": "https://math2.tamnd.com/node/WDNCGJAEWN.md",
  "msc": null,
  "name": "Prewellordering",
  "prov": null,
  "role": "",
  "source": "https://github.com/tamnd/math2/blob/main/nodes/WDN/WDNCGJAEWN.md",
  "status": null,
  "tag": "WDNCGJAEWN",
  "uri": "m2://WDNCGJAEWN",
  "url": "https://math2.tamnd.com/wiki/prewellordering/",
  "writing": {
    "tag": "WDNCGJAEWN",
    "kind": "concept",
    "level": "W1",
    "next": [
      {
        "what": "edge defines in",
        "note": "at least one definition",
        "have": 0,
        "want": 1
      },
      {
        "what": "edge instance_of in",
        "note": "at least two examples",
        "have": 0,
        "want": 2
      },
      {
        "what": "edge not_instance_of in",
        "note": "at least one non-example",
        "have": 0,
        "want": 1
      },
      {
        "what": "edge specializes both",
        "note": "the more general notions and the special cases",
        "have": 0,
        "want": 1
      }
    ]
  }
}
