Jens Erik Fenstad
E755392
Jens Erik Fenstad was a Norwegian logician and mathematician known for his work in mathematical logic, nonstandard analysis, and the philosophy of mathematics.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jens Erik Fenstad canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8751919 — 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: Jens Erik Fenstad Context triple: [Dana Scott, notableStudent, Jens Erik Fenstad]
-
A.
Kjartan Fløgstad
Kjartan Fløgstad is a Norwegian author known for his socially engaged, linguistically inventive novels and essays that explore industrialization, class, and cultural change in Norway.
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B.
Bjørn Arild Gramstad
Bjørn Arild Gramstad is a notable individual associated with the Norwegian municipality of Finnøy, recognized for his local prominence or contributions.
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C.
Øivin Fjeldstad
Øivin Fjeldstad was a prominent Norwegian conductor and violinist, best known for his leadership of major orchestras in Norway and his interpretations of Scandinavian repertoire.
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D.
Peder Ristvedt
Peder Ristvedt was a Norwegian polar explorer and engineer who took part in Roald Amundsen’s historic early 20th-century Arctic voyages.
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E.
Bjørn Bjørnson
Bjørn Bjørnson was a Norwegian theatre director and actor, best known for his influential work in Scandinavian theatre and as the son of Nobel laureate writer Bjørnstjerne Bjørnson.
- 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: Jens Erik Fenstad Target entity description: Jens Erik Fenstad was a Norwegian logician and mathematician known for his work in mathematical logic, nonstandard analysis, and the philosophy of mathematics.
-
A.
Kjartan Fløgstad
Kjartan Fløgstad is a Norwegian author known for his socially engaged, linguistically inventive novels and essays that explore industrialization, class, and cultural change in Norway.
-
B.
Bjørn Arild Gramstad
Bjørn Arild Gramstad is a notable individual associated with the Norwegian municipality of Finnøy, recognized for his local prominence or contributions.
-
C.
Øivin Fjeldstad
Øivin Fjeldstad was a prominent Norwegian conductor and violinist, best known for his leadership of major orchestras in Norway and his interpretations of Scandinavian repertoire.
-
D.
Peder Ristvedt
Peder Ristvedt was a Norwegian polar explorer and engineer who took part in Roald Amundsen’s historic early 20th-century Arctic voyages.
-
E.
Bjørn Bjørnson
Bjørn Bjørnson was a Norwegian theatre director and actor, best known for his influential work in Scandinavian theatre and as the son of Nobel laureate writer Bjørnstjerne Bjørnson.
- F. None of above. chosen
Statements (23)
| Predicate | Object |
|---|---|
| instanceOf |
Norwegian logician
ⓘ
human ⓘ logician ⓘ |
| academicDiscipline |
logic
ⓘ
mathematics ⓘ |
| countryOfCitizenship | Norway ⓘ |
| employer | University of Oslo ⓘ |
| familyName | Fenstad ⓘ |
| fieldOfWork |
foundations of mathematics
ⓘ
mathematical logic ⓘ nonstandard analysis ⓘ philosophy of mathematics ⓘ |
| gender | male ⓘ |
| givenName | Jens ⓘ |
| memberOf | Norwegian Academy of Science and Letters ⓘ |
| name | Jens Erik Fenstad ⓘ |
| nativeLanguage | Norwegian ⓘ |
| notableWork |
work on mathematical logic
ⓘ
work on nonstandard analysis ⓘ work on philosophy of mathematics ⓘ |
| occupation | university teacher ⓘ |
| placeOfWork | Oslo ⓘ |
| positionHeld | professor of mathematics at the University of Oslo ⓘ |
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: Jens Erik Fenstad Description of subject: Jens Erik Fenstad was a Norwegian logician and mathematician known for his work in mathematical logic, nonstandard analysis, and the philosophy of mathematics.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.