János Bolyai
E842781
János Bolyai was a Hungarian mathematician renowned as one of the independent founders of non-Euclidean geometry.
All labels observed (1)
| Label | Occurrences |
|---|---|
| János Bolyai canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10055815 — 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: János Bolyai Context triple: [Nikolai Lobachevsky, influenced, János Bolyai]
-
A.
Nikolai Lobachevsky
Nikolai Lobachevsky was a Russian mathematician renowned as a founder of non-Euclidean geometry, whose work revolutionized the understanding of space and geometry.
-
B.
Jakob Steiner
Jakob Steiner was a 19th-century Swiss mathematician renowned for his foundational contributions to projective geometry and synthetic geometry.
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C.
Julius König
Julius König was a Hungarian mathematician known for his work in set theory, logic, and the foundations of mathematics in the late 19th and early 20th centuries.
-
D.
Bernard Bolzano
Bernard Bolzano was a 19th-century Bohemian mathematician, logician, and philosopher whose rigorous work in logic, analysis, and the foundations of mathematics anticipated modern analytic philosophy and influenced later thinkers such as Edmund Husserl.
-
E.
Carl Gustav Jacob Jacobi
Carl Gustav Jacob Jacobi was a 19th-century German mathematician renowned for his fundamental contributions to elliptic functions, number theory, and differential equations.
- 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: János Bolyai Target entity description: János Bolyai was a Hungarian mathematician renowned as one of the independent founders of non-Euclidean geometry.
-
A.
Nikolai Lobachevsky
Nikolai Lobachevsky was a Russian mathematician renowned as a founder of non-Euclidean geometry, whose work revolutionized the understanding of space and geometry.
-
B.
Jakob Steiner
Jakob Steiner was a 19th-century Swiss mathematician renowned for his foundational contributions to projective geometry and synthetic geometry.
-
C.
Julius König
Julius König was a Hungarian mathematician known for his work in set theory, logic, and the foundations of mathematics in the late 19th and early 20th centuries.
-
D.
Bernard Bolzano
Bernard Bolzano was a 19th-century Bohemian mathematician, logician, and philosopher whose rigorous work in logic, analysis, and the foundations of mathematics anticipated modern analytic philosophy and influenced later thinkers such as Edmund Husserl.
-
E.
Carl Gustav Jacob Jacobi
Carl Gustav Jacob Jacobi was a 19th-century German mathematician renowned for his fundamental contributions to elliptic functions, number theory, and differential equations.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
mathematician ⓘ |
| alternateName |
Johann Bolyai
NERFINISHED
ⓘ
János Jánosfi Bolyai NERFINISHED ⓘ |
| birthDate | 1802-12-15 ⓘ |
| birthPlace |
Cluj
NERFINISHED
ⓘ
Kingdom of Hungary NERFINISHED ⓘ Kolozsvár NERFINISHED ⓘ Transylvania NERFINISHED ⓘ |
| burialPlace | Târgu Mureș NERFINISHED ⓘ |
| centuryOfActivity | 19th century ⓘ |
| contemporaryOf | Nikolai Lobachevsky NERFINISHED ⓘ |
| contributedTo | foundations of hyperbolic geometry ⓘ |
| countryOfCitizenship | Kingdom of Hungary NERFINISHED ⓘ |
| deathDate | 1860-01-27 ⓘ |
| deathPlace |
Kingdom of Hungary
NERFINISHED
ⓘ
Marosvásárhely NERFINISHED ⓘ Transylvania NERFINISHED ⓘ Târgu Mureș NERFINISHED ⓘ |
| describedAs | one of the independent founders of non-Euclidean geometry ⓘ |
| educatedAt | Imperial and Royal Military Engineering Academy in Vienna NERFINISHED ⓘ |
| employer | Austrian Imperial Army NERFINISHED ⓘ |
| ethnicGroup | Hungarians NERFINISHED ⓘ |
| familyName | Bolyai NERFINISHED ⓘ |
| father | Farkas Bolyai NERFINISHED ⓘ |
| fieldOfWork |
geometry
ⓘ
mathematics ⓘ non-Euclidean geometry ⓘ |
| givenName | János NERFINISHED ⓘ |
| hasHeritage | Transylvanian Hungarian ⓘ |
| hasSignature | signature of János Bolyai ⓘ |
| influencedBy |
Carl Friedrich Gauss
NERFINISHED
ⓘ
Farkas Bolyai NERFINISHED ⓘ |
| languageOfWorkOrName |
Hungarian
ⓘ
Latin ⓘ |
| militaryRank | officer ⓘ |
| mother | Zsuzsanna Benkő NERFINISHED ⓘ |
| name | János Bolyai NERFINISHED ⓘ |
| notableFor |
Appendix on absolute geometry
NERFINISHED
ⓘ
independent discovery of non-Euclidean geometry ⓘ work on hyperbolic geometry ⓘ |
| notableWork |
Appendix scientiam spatii absolute veram exhibens
NERFINISHED
ⓘ
Appendix to the first volume of Farkas Bolyai’s Tentamen NERFINISHED ⓘ |
| occupation |
mathematician
ⓘ
military engineer ⓘ |
| parent | Farkas Bolyai NERFINISHED ⓘ |
| publicationDate | 1832 ⓘ |
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: János Bolyai Description of subject: János Bolyai was a Hungarian mathematician renowned as one of the independent founders of non-Euclidean geometry.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Non-Euclidean geometry