{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T12:48:09Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 4,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T10:00:00Z",
      "ingestedAt": "2026-10-06T07:11:08+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:52:00+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q483372",
    "registryId": "vr.tr.paradox",
    "name": "paradox",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "INF.MED"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q483372/",
  "model": {
    "registry_id": "vr.tr.paradox",
    "name": "paradox",
    "purpose": "Let an agent explain what a paradox is and its main kinds, relay classic examples and their proposed resolutions from logic, philosophy and science sources with attribution, describe the role of paradoxes in the growth of theories, and distinguish paradoxes from contradictions, fallacies, dilemmas and mere surprises.",
    "definition": "A statement or situation that seems self-contradictory or absurd yet may be true, or that leads from acceptable premises by acceptable reasoning to an unacceptable conclusion, studied in logic and philosophy through cases such as the liar paradox, the paradoxes of material implication and Zeno s paradoxes, in physics through temporal paradoxes and causal loops and the hydrodynamic paradox, in mathematics through apportionment paradoxes in seat allocation, and in everyday life through curiosities such as the elevator paradox; paradoxes expose hidden assumptions and drive revisions of theories.",
    "what_it_is_for": "Not applicable; a logical and rhetorical concept.",
    "affordances": [
      "explain the concept and kinds",
      "relay classic examples",
      "describe resolutions and their role",
      "distinguish related concepts"
    ],
    "distinguishing_features": [
      "Apparent contradiction",
      "Hidden assumption",
      "Many domains",
      "Theory-revising"
    ],
    "appearance": "Not a visible object; a statement or scenario.",
    "visual_identification": [
      "Seemingly self-contradictory statement or situation",
      "Liar paradox, material implication paradoxes, temporal paradox, causal loop, elevator paradox, hydrodynamic paradox, apportionment paradox",
      "A contradiction is simply false; a fallacy is bad reasoning; a dilemma is a hard choice"
    ],
    "physical_properties": [
      {
        "quantity": "Quine s classification",
        "typical_range": "veridical, falsidical, antinomy",
        "unit": "list",
        "note": ""
      },
      {
        "quantity": "Zeno s paradoxes",
        "typical_range": "5th century BCE",
        "unit": "period",
        "note": ""
      },
      {
        "quantity": "Alabama paradox",
        "typical_range": "1880",
        "unit": "year",
        "note": "apportionment"
      }
    ],
    "families_and_kinds": [
      "logical and semantic paradoxes such as the liar and Russell s paradox",
      "paradoxes of material implication",
      "paradoxes of motion and infinity",
      "temporal paradoxes and causal loops in physics and fiction",
      "physical paradoxes such as the hydrodynamic paradox",
      "mathematical and voting paradoxes such as apportionment paradoxes",
      "everyday and probabilistic curiosities such as the elevator paradox"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "incongruence",
        "why": "in registry terms"
      },
      {
        "relation": "is a kind of",
        "target": "declarative sentence",
        "why": "in registry terms, when stated"
      },
      {
        "relation": "is contrasted with",
        "target": "contradiction",
        "why": "which is simply false"
      },
      {
        "relation": "is exemplified by",
        "target": "liar paradox",
        "why": "a semantic paradox"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "No regulation"
    ],
    "failure_modes_and_hazards": [
      "Confusing paradoxes with contradictions or fallacies",
      "Treating unresolved paradoxes as resolved",
      "Registry aliases mixing logic, physics and mathematics"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain classic paradoxes such as the liar and Zeno's paradoxes.",
        "State whether and how each paradox has been resolved or remains open."
      ],
      "must_not": [
        "Present a contradiction or fallacy as a paradox.",
        "Claim an unresolved paradox has been solved.",
        "Use a paradox to argue for a false conclusion without flagging it.",
        "Merge paradoxes from logic, physics and mathematics as if one kind."
      ],
      "requires_human": [
        "Using paradoxical reasoning in decisions that affect people, such as policy arguments."
      ]
    },
    "ethics": {
      "considerations": [
        "Paradoxes can be used rhetorically to confuse and mislead.",
        "Learners deserve clear distinctions between puzzles, errors and open problems."
      ],
      "affected_parties": [
        "Learners",
        "Readers",
        "Researchers"
      ]
    },
    "owners": {
      "steward": "Nobody: a concept held in common.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q483372: paradox",
      "url": "https://www.wikidata.org/wiki/Q483372",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Paradox",
      "url": "https://en.wikipedia.org/wiki/Paradox",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What a paradox is.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is a paradox, and how does it differ from a contradiction, a fallacy and a dilemma?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about the concept, a kind or a specific paradox?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "kinds",
            "name": "Kinds",
            "description": "Kinds.",
            "findings": [
              {
                "id": "kinds-finding",
                "name": "Kinds",
                "description": "Kinds.",
                "questions": [
                  {
                    "text": "What are veridical, falsidical and antinomic paradoxes in Quine s scheme, and what are the main families?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific paradox?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "logic",
        "name": "Logic",
        "description": "Logic and philosophy.",
        "rationale": "Attribution.",
        "layers": [
          {
            "id": "semantic",
            "name": "Semantic",
            "description": "Semantic and set paradoxes.",
            "findings": [
              {
                "id": "semantic-finding",
                "name": "Semantic",
                "description": "Semantic.",
                "questions": [
                  {
                    "text": "What are the liar, Russell s and the material implication paradoxes, and how are they addressed, with positions attributed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "motion",
            "name": "Motion",
            "description": "Motion and infinity.",
            "findings": [
              {
                "id": "motion-finding",
                "name": "Motion",
                "description": "Motion.",
                "questions": [
                  {
                    "text": "What are Zeno s paradoxes and paradoxes of infinity, and what resolutions are proposed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "science",
        "name": "Science",
        "description": "Science and mathematics.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "physics",
            "name": "Physics",
            "description": "Physical paradoxes.",
            "findings": [
              {
                "id": "physics-finding",
                "name": "Physics",
                "description": "Physics.",
                "questions": [
                  {
                    "text": "What are temporal paradoxes, causal loops and the hydrodynamic paradox, and how does physics treat them?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits time travel in physics?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "math",
            "name": "Mathematics",
            "description": "Mathematical paradoxes.",
            "findings": [
              {
                "id": "math-finding",
                "name": "Mathematics",
                "description": "Mathematics.",
                "questions": [
                  {
                    "text": "What are apportionment paradoxes, the elevator paradox and probability paradoxes?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits apportionment paradox?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Role and culture.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "role",
            "name": "Role",
            "description": "Role in inquiry.",
            "findings": [
              {
                "id": "role-finding",
                "name": "Role",
                "description": "Role.",
                "questions": [
                  {
                    "text": "How have paradoxes driven revisions in logic, mathematics and physics, with cases attributed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits philosophy of logic?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "culture",
            "name": "Culture",
            "description": "Culture.",
            "findings": [
              {
                "id": "culture-finding",
                "name": "Culture",
                "description": "Culture.",
                "questions": [
                  {
                    "text": "How are paradoxes used in literature, rhetoric and fiction?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits paradox in literature?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should logical paradox, temporal paradox and apportionment paradox be separate primary entries?",
    "How should philosophical sources be linked?",
    "The registry entry has merged aliases naming specific paradoxes from unrelated fields; should they be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}