Article 50 TEU
E154934
Article 50 TEU is the provision of European Union primary law that sets out the legal process by which a member state may withdraw from the EU.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Article 50 TEU canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1349811 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Article 50 TEU Context triple: [Treaty on European Union, hasArticle, Article 50 TEU]
-
A.
Neopanamax
Neopanamax is a class of large cargo ships specifically designed to fit the expanded locks of the Panama Canal, allowing greater capacity than the earlier Panamax standard.
-
B.
RTA Marine transport system
The RTA Marine transport system is Dubai’s government-operated network of water-based public transit services, including water buses, abras, and water taxis, that connect key locations along the city’s waterways.
-
C.
Z 20500 EMU
The Z 20500 EMU is a class of double-deck electric multiple unit trains operated by SNCF in the Paris suburban network, notably on lines such as the RER.
-
D.
W-series medium-duty platform
The W-series medium-duty platform is a line of cab-over-engine commercial truck chassis developed by General Motors for use in various medium-duty vocational and delivery applications.
-
E.
Class 170 Turbostar
The Class 170 Turbostar is a British diesel multiple-unit train widely used for regional and intercity services across the UK rail network.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Article 50 TEU Target entity description: Article 50 TEU is the provision of European Union primary law that sets out the legal process by which a member state may withdraw from the EU.
-
A.
Neopanamax
Neopanamax is a class of large cargo ships specifically designed to fit the expanded locks of the Panama Canal, allowing greater capacity than the earlier Panamax standard.
-
B.
MEA Cargo
MEA Cargo is the air freight division of Middle East Airlines, providing cargo transport and logistics services primarily through its operations at Beirut–Rafic Hariri International Airport.
-
C.
RTA Marine transport system
The RTA Marine transport system is Dubai’s government-operated network of water-based public transit services, including water buses, abras, and water taxis, that connect key locations along the city’s waterways.
-
D.
Z 20500 EMU
The Z 20500 EMU is a class of double-deck electric multiple unit trains operated by SNCF in the Paris suburban network, notably on lines such as the RER.
-
E.
W-series medium-duty platform
The W-series medium-duty platform is a line of cab-over-engine commercial truck chassis developed by General Motors for use in various medium-duty vocational and delivery applications.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
provision of European Union law
ⓘ
treaty article ⓘ |
| allows | revocation of withdrawal notification before withdrawal takes effect ⓘ |
| appliesTo | any EU Member State ⓘ |
| appliesWhen | Member State notifies intention to withdraw to the European Council ⓘ |
| basisInLawFor | Brexit withdrawal process ⓘ |
| category | European Union primary law ⓘ |
| ceasesToApplyToState | on date of entry into force of withdrawal agreement or expiry of two-year period ⓘ |
| citedAs | Article 50 of the Treaty on European Union ⓘ |
| codifies | unilateral right of withdrawal from the EU ⓘ |
| consequenceOfExpiry | EU Treaties cease to apply to the withdrawing State ⓘ |
| decisionToWithdraw | must be taken in accordance with the Member State’s own constitutional requirements ⓘ |
| definesProcedureFor | Member State withdrawal from the European Union ⓘ |
| doesNotRegulate | internal constitutional process leading to decision to withdraw ⓘ |
| effectiveFrom | 1 December 2009 ⓘ |
| firstInvocationDate | 29 March 2017 ⓘ |
| firstInvokedBy | United Kingdom ⓘ |
| governs | formal exit process from the European Union ⓘ |
| influencedDebateOn | Brexit legal process ⓘ |
| interpretedInCase | C-621/18 Wightman and Others v Secretary of State for Exiting the European Union ⓘ |
| introducedBy | Treaty of Lisbon ⓘ |
| language | all official languages of the European Union ⓘ |
| legalArea | European Union law ⓘ |
| legalNature | treaty-based procedural provision ⓘ |
| locatedInDocument | Treaty on European Union ⓘ |
| negotiationMandateGivenTo | European Commission ⓘ |
| partOf | Treaty on European Union ⓘ |
| providesFor |
framework for future relationship with the Union
ⓘ
negotiation of a withdrawal agreement ⓘ setting out arrangements for withdrawal ⓘ |
| regulates | withdrawal of a Member State from the European Union ⓘ |
| relatedConcept |
European Union membership
ⓘ
European integration ⓘ sovereignty of Member States ⓘ |
| relatedTo |
Treaty of Lisbon
ⓘ
Treaty on the Functioning of the European Union ⓘ |
| requires | notification of the European Council by the withdrawing Member State ⓘ |
| revocationConditions |
must be unequivocal and unconditional
ⓘ
must follow Member State’s constitutional requirements ⓘ |
| revocationEffect | Member State remains in the EU under unchanged terms ⓘ |
| setsOut | right of a Member State to withdraw from the European Union ⓘ |
| setsTimeLimit | two-year period after notification ⓘ |
| subjectToInterpretationBy | Court of Justice of the European Union ⓘ |
| timeLimitExtension | possible extension by unanimous decision of the European Council ⓘ |
| typeOfRight | unilateral right of withdrawal ⓘ |
| votingRuleForAgreement | qualified majority in the Council ⓘ |
| withdrawalAgreementConcludedBy | Council of the European Union ⓘ |
| withdrawalAgreementRequires | consent of the European Parliament ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Article 50 TEU Description of subject: Article 50 TEU is the provision of European Union primary law that sets out the legal process by which a member state may withdraw from the EU.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.