Sefer ha-Mispar
E602285
Sefer ha-Mispar is a medieval mathematical treatise by Abraham ibn Ezra that presents and explains arithmetic and number theory concepts, helping to transmit Arabic and Indian mathematical knowledge to Europe.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sefer ha-Mispar canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6573874 — 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: Sefer ha-Mispar Context triple: [Ibn Ezra, notableWork, Sefer ha-Mispar]
-
A.
Sefer ha-Ot
Sefer ha-Ot is a seminal mystical treatise by the 13th-century Kabbalist Abraham Abulafia, exploring prophetic Kabbalah through letter permutations and meditative techniques.
-
B.
Sefer HaHezyonot
Sefer HaHezyonot is a mystical autobiographical work by the kabbalist Hayyim Vital, recording his visionary experiences, dreams, and spiritual revelations.
-
C.
Sefer ha-Yovel
Sefer ha-Yovel is a commemorative work by Zionist leader and Hebrew writer Nahum Sokolow, reflecting his contributions to Jewish nationalism and Hebrew literature.
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D.
Sefer shel Beinonim
Sefer shel Beinonim is the central section of the Tanya, a foundational Chabad Chassidic work that explores the spiritual struggles and inner life of the “intermediate” person in Jewish thought.
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E.
Sefer Kedushah
Sefer Kedushah is a section of Maimonides’ Mishneh Torah that codifies Jewish laws related to sexual conduct, forbidden relationships, and dietary prohibitions, emphasizing holiness in personal behavior.
- 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: Sefer ha-Mispar Target entity description: Sefer ha-Mispar is a medieval mathematical treatise by Abraham ibn Ezra that presents and explains arithmetic and number theory concepts, helping to transmit Arabic and Indian mathematical knowledge to Europe.
-
A.
Sefer ha-Ot
Sefer ha-Ot is a seminal mystical treatise by the 13th-century Kabbalist Abraham Abulafia, exploring prophetic Kabbalah through letter permutations and meditative techniques.
-
B.
Sefer HaHezyonot
Sefer HaHezyonot is a mystical autobiographical work by the kabbalist Hayyim Vital, recording his visionary experiences, dreams, and spiritual revelations.
-
C.
Sefer ha-Yovel
Sefer ha-Yovel is a commemorative work by Zionist leader and Hebrew writer Nahum Sokolow, reflecting his contributions to Jewish nationalism and Hebrew literature.
-
D.
Sefer shel Beinonim
Sefer shel Beinonim is the central section of the Tanya, a foundational Chabad Chassidic work that explores the spiritual struggles and inner life of the “intermediate” person in Jewish thought.
-
E.
Sefer Kedushah
Sefer Kedushah is a section of Maimonides’ Mishneh Torah that codifies Jewish laws related to sexual conduct, forbidden relationships, and dietary prohibitions, emphasizing holiness in personal behavior.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
mathematical treatise
ⓘ
medieval work ⓘ |
| associatedWith |
Jewish scholarship
ⓘ
medieval Iberian science ⓘ |
| author | Abraham ibn Ezra NERFINISHED ⓘ |
| authorOccupation |
Jewish scholar
ⓘ
commentator ⓘ mathematician ⓘ poet ⓘ |
| circulation | medieval European Jewish communities ⓘ |
| countryOfOrigin | al-Andalus NERFINISHED ⓘ |
| era | High Middle Ages ⓘ |
| field | mathematics ⓘ |
| genre | didactic literature ⓘ |
| hasPart |
discussion of basic arithmetic operations
ⓘ
elementary number theory topics ⓘ exposition of the Hindu-Arabic numeral system ⓘ treatment of fractions ⓘ |
| historicalSignificance |
contributed to the spread of Hindu-Arabic numerals in Europe
ⓘ
early Hebrew work on arithmetic ⓘ |
| influencedBy |
Arabic mathematics
ⓘ
Indian mathematics ⓘ |
| influenceOn | later Hebrew mathematical texts ⓘ |
| language | Hebrew ⓘ |
| mainSubject |
arithmetic
ⓘ
number theory ⓘ |
| originalAudience | Hebrew-reading scholars ⓘ |
| purpose |
to explain arithmetic and number theory concepts
ⓘ
to transmit Arabic and Indian mathematical knowledge to Europe ⓘ |
| relatedDiscipline | history of mathematics ⓘ |
| relatedWork | Abraham ibn Ezra's scientific writings ⓘ |
| timePeriod | 12th century ⓘ |
| titleLanguage | Hebrew ⓘ |
| titleMeaning | Book of Number NERFINISHED ⓘ |
| writtenBy | Abraham ibn Ezra NERFINISHED ⓘ |
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: Sefer ha-Mispar Description of subject: Sefer ha-Mispar is a medieval mathematical treatise by Abraham ibn Ezra that presents and explains arithmetic and number theory concepts, helping to transmit Arabic and Indian mathematical knowledge to Europe.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.