{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.opposition","code":"thing-opposition","url":"https://ver.cy/models/thing/opposition/","name":"opposition","alternateNames":["additive inverse","multiplicative inverse","reciprocal","oppositeness","antipode","antithesis","contrast","direct contrast","flip side","mutual opposition","polarity","gradable opposition"],"kind":"thing","status":"research-draft","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Cross-cutting context","entryKind":"noun.relation","plane":"XCT","domain":["XCT.REL"],"industry":[],"navPath":"","tags":[],"facets":{"substance":"abstract","origin":"conceptual","agency":"inert","mobility":"not-applicable","scale":"not-applicable","affordances":["observable"]}},"whatItIs":"The relation between opposed entities: things that are contrary, contradictory or inverse to each other, such as antonyms, additive and multiplicative inverses, antipodes or thesis and antithesis.","purpose":"Let an agent handle opposition as a relation with kinds (contrary, contradictory, inverse, spatial), and separate it from political opposition.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Relation between opposed terms","Contrary, contradictory, converse and inverse kinds","Spatial opposites such as antipodes","Distinct from political opposition parties"],"structure":{"bundles":[{"id":"kind","name":"Kind","description":"Which opposition.","layers":[{"id":"logic","name":"Logical kind","description":"Contrary, contradictory.","findings":[{"id":"logic-finding","name":"Logic","description":"Logical relation.","questions":[{"text":"Is the opposition contrary, contradictory or converse?","kind":"definition"},{"text":"Can both be false?","kind":"boundary"}]}]},{"id":"domain","name":"Domain","description":"Language, maths, space.","findings":[{"id":"domain-finding","name":"Domain","description":"Domain.","questions":[{"text":"In which domain is the opposition?","kind":"definition"},{"text":"Is there a more specific entry?","kind":"action"}]}]}]},{"id":"mathematics","name":"Mathematics","description":"Inverses.","layers":[{"id":"additive","name":"Additive inverse","description":"Negation.","findings":[{"id":"additive-finding","name":"Additive","description":"Additive inverse.","questions":[{"text":"What is the additive inverse?","kind":"measurement"},{"text":"Does it always exist here?","kind":"boundary"}]}]},{"id":"multiplicative","name":"Multiplicative inverse","description":"Reciprocal.","findings":[{"id":"multiplicative-finding","name":"Multiplicative","description":"Reciprocal.","questions":[{"text":"What is the reciprocal?","kind":"measurement"},{"text":"Is zero excluded?","kind":"boundary"}]}]}]},{"id":"language","name":"Language","description":"Antonyms.","layers":[{"id":"antonyms","name":"Antonyms","description":"Word pairs.","findings":[{"id":"antonyms-finding","name":"Antonyms","description":"Antonym pairs.","questions":[{"text":"What is the antonym of this word?","kind":"definition"},{"text":"Is it gradable or complementary?","kind":"definition"}]}]},{"id":"translation","name":"Translation","description":"Across languages.","findings":[{"id":"translation-finding","name":"Translation","description":"Translation.","questions":[{"text":"Does the antonym pair hold in other languages?","kind":"boundary"},{"text":"How should it be translated?","kind":"action"}]}]}]},{"id":"space","name":"Space","description":"Antipodes.","layers":[{"id":"antipode","name":"Antipode","description":"Opposite point.","findings":[{"id":"antipode-finding","name":"Antipode","description":"Antipode.","questions":[{"text":"Where is the antipode of this place?","kind":"measurement"},{"text":"Is it land or sea?","kind":"definition"}]}]},{"id":"senses","name":"Other senses","description":"Politics.","findings":[{"id":"senses-finding","name":"Senses","description":"Disambiguation.","questions":[{"text":"Is political opposition meant instead?","kind":"boundary"},{"text":"Which entry fits?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Identify and describe opposed pairs such as antonyms, inverses or antipodes.","Distinguish contrary, contradictory and inverse relations."],"mustNot":["Frame people or groups as natural opposites in a way that fuels hostility.","Present a contrary as a contradiction, or the reverse, in a logical argument.","Invent opposition between views to stir conflict."],"requiresHuman":["Publishing analysis that places named people on opposing sides."]},"ethics":{"considerations":["Framing issues as binary oppositions can polarise and erase middle ground.","Logical errors about opposition lead to false conclusions."],"affectedParties":["People framed as opponents","Readers and students"]},"owners":{"steward":"Nobody: a general concept.","roles":[],"masterSystems":[]},"relations":[{"target":"oewn-00032220-n","type":"parent","note":"registry parent class"},{"target":"relation","type":"related","note":"abstraction"},{"target":"logic and linguistics","type":"related","note":"fields"},{"target":"inverse","type":"related","note":"mathematics"},{"target":"political opposition","type":"related","note":"another sense"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.opposition","Open English WordNet: oewn-13876846-n"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Antonym pairs","Inverse operations","Political opposition is a different sense","Not a thing; a relation between terms, numbers or places."]},"capabilities":{"applicability":"required","items":["identify kinds of opposition","compute inverses","find antipodes","analyse arguments"]},"hazards":{"applicability":"required","items":["Confusing contrary and contradictory","Mixing senses"]},"interfaces":{"applicability":"required","items":[]},"context":{"applicability":"required","items":["Reasoning about contrasts, inverses and negation.","logical opposition (square of opposition)","antonyms","additive and multiplicative inverses","antipodes","dialectical antithesis"]}},"sources":[],"openQuestions":["Should kinds of opposition be separate entries?","How should the political sense be split off?","How should antonymy be represented per language?"],"resources":{"spec":"/models/things/publications/thing-opposition/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-opposition/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T06:44:35Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"missing","interaction.context":"filled","sources":"missing"},"notes":{"interaction.properties":"Plane XCT: no invented physical properties.","sources":"Written from model knowledge without web access; claims are unverified."},"score":0.875}}