{ "model": { "rank": 7050, "code": "thing-q363948", "model_id": "vr.tr.logical-contradiction", "name": "logical contradiction", "purpose": "Let an agent recognise and explain logical contradictions, distinguish them from paradoxes, contraries, inconsistencies and rhetorical tension, apply consistency checks to arguments and data, and present contested uses such as debates over texts with attribution.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.QLT", "industry": "", "version": "", "url": "/models/thing/q363948/", "tier": 2, "score": 57, "payload": { "layer": "wikidata", "aliases": [ "alternative pleading", "Contradictio in adjecto", "Internal consistency of the Bible", "antinomy", "performative contradiction", "legal antinomy", "Kant's antinomies" ], "aliasCount": 7, "merged": 7, "knownIn": 57, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q363948", "url": "https://www.wikidata.org/wiki/Q363948", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T19:44:28Z", "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": 3, "engine": "claude" }, "metaModel": { "id": "THING-Q363948", "registryId": "vr.tr.logical-contradiction", "name": "logical contradiction", "version": "0.2.0-wave.3", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.QLT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q363948/", "model": { "registry_id": "vr.tr.logical-contradiction", "name": "logical contradiction", "purpose": "Let an agent recognise and explain logical contradictions, distinguish them from paradoxes, contraries, inconsistencies and rhetorical tension, apply consistency checks to arguments and data, and present contested uses such as debates over texts with attribution.", "definition": "A statement or set of statements that cannot all be true at once, such as a proposition asserted together with its negation; in logic a contradiction is false under every interpretation, and detecting contradictions is central to reasoning, argument, law and the checking of theories and data.", "what_it_is_for": "Not for anything; a property of statements.", "affordances": [ "test whether statements contradict each other", "explain the concept with formal and informal examples", "distinguish contradiction from paradox and vagueness", "check arguments and data for consistency" ], "distinguishing_features": [ "Cannot all be true together", "In classical logic implies anything, hence the need to avoid it", "Distinct from paradox, contrary and mere disagreement", "Used as a test in proofs, law and data validation" ], "appearance": "Not visible; expressed in language or formal notation.", "visual_identification": [ "A statement and its negation both asserted", "False under every interpretation in classical logic", "A paradox is an apparently sound argument to a contradiction; a contrary pair can both be false" ], "physical_properties": [], "families_and_kinds": [ "formal contradictions in logic", "contradictio in adjecto within a phrase", "performative contradictions", "inconsistencies in law and pleadings", "antinomies in philosophy", "alleged contradictions in texts, which are contested claims" ], "related_models": [ { "relation": "is a kind of", "target": "inconsistency", "why": "the strongest form" }, { "relation": "is confused with", "target": "paradox", "why": "a paradox leads to a contradiction by apparently good reasoning" }, { "relation": "is used in", "target": "proof by contradiction", "why": "a proof method" }, { "relation": "is studied by", "target": "logic", "why": "the discipline" } ], "identifiers": [], "standards_and_regulation": [ "No regulation; rules of procedure address inconsistent pleadings in some legal systems" ], "failure_modes_and_hazards": [ "Calling disagreement or vagueness a contradiction", "Explosion in inconsistent formal systems", "Presenting contested textual claims as settled" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "concept", "name": "Concept", "description": "What a contradiction is.", "rationale": "Definition.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What makes a set of statements contradictory, formally and informally?", "kind": "definition" }, { "text": "Is the case a contradiction, a paradox, a contrary pair or vagueness?", "kind": "boundary" } ] } ] }, { "id": "kinds", "name": "Kinds", "description": "Kinds.", "findings": [ { "id": "kinds-finding", "name": "Kinds", "description": "Kinds.", "questions": [ { "text": "What kinds of contradiction are distinguished in logic, rhetoric and law?", "kind": "definition" }, { "text": "Which entry fits paradox?", "kind": "action" } ] } ] } ] }, { "id": "detect", "name": "Detect", "description": "Finding contradictions.", "rationale": "Checking.", "layers": [ { "id": "arguments", "name": "Arguments", "description": "In arguments.", "findings": [ { "id": "arguments-finding", "name": "Arguments", "description": "Arguments.", "questions": [ { "text": "How is an argument or theory checked for consistency?", "kind": "action" }, { "text": "Which method or tool is used, and what does it prove?", "kind": "measurement" } ] } ] }, { "id": "data", "name": "Data", "description": "In data and rules.", "findings": [ { "id": "data-finding", "name": "Data", "description": "Data.", "questions": [ { "text": "How are contradictions found in data sets, specifications and rule systems?", "kind": "action" }, { "text": "Which entry fits data validation?", "kind": "action" } ] } ] } ] }, { "id": "theory", "name": "Theory", "description": "Logic and philosophy.", "rationale": "Theory.", "layers": [ { "id": "logic", "name": "Logic", "description": "Formal treatment.", "findings": [ { "id": "logic-finding", "name": "Logic", "description": "Logic.", "questions": [ { "text": "How do classical and paraconsistent logics treat contradiction, and what is explosion?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "philosophy", "name": "Philosophy", "description": "Philosophical uses.", "findings": [ { "id": "philosophy-finding", "name": "Philosophy", "description": "Philosophy.", "questions": [ { "text": "How have philosophers used contradiction and antinomy, with positions attributed?", "kind": "provenance" }, { "text": "Is the presentation neutral?", "kind": "boundary" } ] } ] } ] }, { "id": "apply", "name": "Apply", "description": "Law, texts and teaching.", "rationale": "Application.", "layers": [ { "id": "law", "name": "Law and texts", "description": "Legal and textual claims.", "findings": [ { "id": "law-finding", "name": "Law", "description": "Law.", "questions": [ { "text": "How do courts treat inconsistent pleadings, and how are alleged contradictions in texts debated with attribution?", "kind": "provenance" }, { "text": "Are contested claims about religious or historical texts presented neutrally?", "kind": "boundary" } ] } ] }, { "id": "teach", "name": "Teach", "description": "Teaching.", "findings": [ { "id": "teach-finding", "name": "Teach", "description": "Teaching.", "questions": [ { "text": "How is contradiction taught in logic and critical thinking?", "kind": "action" }, { "text": "Which misconceptions arise?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Should paradox and antinomy be separate entries?", "How should paraconsistent logics be represented?", "The registry entry has merged aliases about legal pleading and the consistency of the Bible, which are separate topics; should they be split off?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "abstract concept", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a logical contradiction, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent recognise and explain logical contradictions, distinguish them from paradoxes, contraries, inconsistencies and rhetorical tension, apply consistency checks to arguments and data, and present contested uses such as debates over texts with attribution.", "characteristics": { "substance": "abstract", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: alternative pleading, Contradictio in adjecto, Internal consistency of the Bible, antinomy, performative contradiction, legal antinomy, Kant's antinomies.", "7 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 57 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a logical contradiction, and on what evidence are they told apart?" ], "whatItIsMadeOf": "an abstraction with no physical instance", "physicalCharacter": [ "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "alternative pleading", "Contradictio in adjecto", "Internal consistency of the Bible", "antinomy", "performative contradiction", "legal antinomy", "Kant's antinomies" ] } ], "standing": "Described in 57 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 7 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one logical contradiction from another, and a logical contradiction from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a logical contradiction, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a logical contradiction, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a logical contradiction is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a logical contradiction, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a logical contradiction, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a logical contradiction is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a logical contradiction sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a logical contradiction, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a logical contradiction, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a logical contradiction is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a logical contradiction from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a logical contradiction, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a logical contradiction, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a logical contradiction is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a logical contradiction passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a logical contradiction between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a logical contradiction, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a logical contradiction, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a logical contradiction is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a logical contradiction, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a logical contradiction is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a logical contradiction, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a logical contradiction, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a logical contradiction is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definitions-in-contest", "name": "Definitions and who holds them", "description": "What logical contradiction is taken to mean, and by whom.", "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.", "layers": [ { "id": "competing-definitions", "name": "Competing definitions", "description": "The main readings and the traditions behind them.", "findings": [ { "id": "definition-map", "name": "Definitions and their holders", "description": "Each definition with the school or body that holds it.", "questions": [ { "id": "definition-map-q01", "text": "Which definitions of logical contradiction are in use, and which tradition or body holds each?", "kind": "definition" }, { "id": "definition-map-q02", "text": "What turns on the difference between them in practice?", "kind": "boundary" } ] } ] }, { "id": "operationalisation", "name": "Operationalisation", "description": "How it is measured or applied when it has to be.", "findings": [ { "id": "operational-record", "name": "Measures and proxies", "description": "Instruments and indicators used to stand in for it.", "questions": [ { "id": "operational-record-q01", "text": "How is logical contradiction operationalised or measured in practice, and by what instrument?", "kind": "measurement" }, { "id": "operational-record-q02", "text": "What does that operationalisation leave out, and when does that matter?", "kind": "boundary" } ] } ] } ] }, { "id": "instances-and-use", "name": "Instances, use and consequence", "description": "What counts as an instance of logical contradiction and what follows from calling something that.", "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.", "layers": [ { "id": "instances", "name": "What counts as an instance", "description": "Clear cases, borderline cases and non-cases.", "findings": [ { "id": "instance-tests", "name": "Tests for an instance", "description": "What would settle whether something falls under it.", "questions": [ { "id": "instance-tests-q01", "text": "What would settle whether something is an instance of logical contradiction?", "kind": "boundary" }, { "id": "instance-tests-q02", "text": "Which borderline cases are argued about, and on what grounds?", "kind": "definition" } ] } ] }, { "id": "consequence", "name": "Consequence of application", "description": "Rights, duties or decisions that follow from the label.", "findings": [ { "id": "consequence-record", "name": "What the label licenses", "description": "What an agent may do once something is classified this way.", "questions": [ { "id": "consequence-record-q01", "text": "What follows practically once something is treated as logical contradiction?", "kind": "action" }, { "id": "consequence-record-q02", "text": "What must an agent not infer from the label alone?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a logical contradiction came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a logical contradiction and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a logical contradiction, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a logical contradiction, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a logical contradiction is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a logical contradiction is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a logical contradiction, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a logical contradiction, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a logical contradiction is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 5, "layers": 10, "findings": 12, "questions": 32 } } } }