Ibn Sahl's treatise on burning mirrors and lenses
E1022095
Ibn Sahl's treatise on burning mirrors and lenses is a foundational 10th-century work in Islamic optics that mathematically analyzes refraction and lens design, anticipating principles later formalized in Snell’s law.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ibn Sahl's treatise on burning mirrors and lenses canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13132144 — 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: Ibn Sahl's treatise on burning mirrors and lenses Context triple: [Islamic optics, majorWork, Ibn Sahl's treatise on burning mirrors and lenses]
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A.
Book of Optics
The Book of Optics is a foundational 11th-century scientific work that revolutionized the understanding of vision, light, and optics, laying key groundwork for the modern science of optics.
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B.
Euclid's Optics
Euclid's Optics is an ancient Greek treatise that systematically analyzes visual perception and perspective using geometric principles, laying foundational ideas for later optical theory.
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C.
Al-Farghani's Elements of Astronomy
Al-Farghani's Elements of Astronomy is a foundational 9th-century Arabic treatise that systematically summarizes and explains Ptolemaic astronomy and became highly influential in both the Islamic world and medieval Europe.
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D.
Ibn al-Haytham (Alhazen)
Ibn al-Haytham (Alhazen) was an influential medieval polymath best known for his foundational work in optics, mathematics, and scientific methodology, which earned him recognition as a pioneer of the modern scientific method.
-
E.
Treatise on the Division of Quadrants (Omar Khayyam)
Treatise on the Division of Quadrants is a mathematical work by Omar Khayyam in which he investigates geometric constructions and the division of arcs and quadrants, contributing to the development of geometry beyond Euclid.
- 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: Ibn Sahl's treatise on burning mirrors and lenses Target entity description: Ibn Sahl's treatise on burning mirrors and lenses is a foundational 10th-century work in Islamic optics that mathematically analyzes refraction and lens design, anticipating principles later formalized in Snell’s law.
-
A.
Book of Optics
The Book of Optics is a foundational 11th-century scientific work that revolutionized the understanding of vision, light, and optics, laying key groundwork for the modern science of optics.
-
B.
Euclid's Optics
Euclid's Optics is an ancient Greek treatise that systematically analyzes visual perception and perspective using geometric principles, laying foundational ideas for later optical theory.
-
C.
Al-Farghani's Elements of Astronomy
Al-Farghani's Elements of Astronomy is a foundational 9th-century Arabic treatise that systematically summarizes and explains Ptolemaic astronomy and became highly influential in both the Islamic world and medieval Europe.
-
D.
Ibn al-Haytham (Alhazen)
Ibn al-Haytham (Alhazen) was an influential medieval polymath best known for his foundational work in optics, mathematics, and scientific methodology, which earned him recognition as a pioneer of the modern scientific method.
-
E.
Treatise on the Division of Quadrants (Omar Khayyam)
Treatise on the Division of Quadrants is a mathematical work by Omar Khayyam in which he investigates geometric constructions and the division of arcs and quadrants, contributing to the development of geometry beyond Euclid.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
medieval Arabic scientific text
ⓘ
scientific treatise ⓘ work on optics ⓘ |
| aim |
to design lenses that concentrate light for burning
ⓘ
to design mirrors that focus sunlight to a point ⓘ |
| approximateDate | c. 984 ⓘ |
| associatedWith | Baghdad ⓘ |
| author | Ibn Sahl ⓘ |
| contribution |
construction of burning lenses using refracting profiles
ⓘ
construction of burning mirrors using conic sections ⓘ mathematical derivation of refraction at spherical surfaces ⓘ |
| culturalContext | Islamic Golden Age ⓘ |
| demonstrates | systematic use of mathematics in physical optics ⓘ |
| era | medieval Islamic science ⓘ |
| field |
mathematical physics
ⓘ
optics ⓘ |
| genre | technical scientific treatise ⓘ |
| hasSubject |
focusing of solar rays
ⓘ
relationship between path of light and refractive media ⓘ |
| historicalSignificance |
earliest known work to state the correct law of refraction in mathematical form
ⓘ
foundational text in Islamic optics ⓘ |
| influenced |
development of mathematical optics
ⓘ
later Islamic optical works ⓘ |
| knownFor |
anticipating Snell's law
ⓘ
earliest correct formulation of the law of refraction ⓘ |
| language | Arabic ⓘ |
| mainTopic |
burning lenses
ⓘ
burning mirrors ⓘ geometrical optics ⓘ lens design ⓘ refraction of light ⓘ |
| mathematicallyFormulates | constant ratio of sines of incidence and refraction angles in different media ⓘ |
| methodology |
geometric analysis
ⓘ
use of conic sections ⓘ |
| placeOfOrigin | Abbasid Caliphate ⓘ |
| precedes |
René Descartes' work on refraction
ⓘ
linked to:
Willebrord Snellius
Willebrord Snellius's formulation of Snell's law ⓘ |
| publicationCentury | 10th century ⓘ |
| rediscoveredBy | modern historians of science ⓘ |
| studiedIn |
history of optics
ⓘ
history of science ⓘ |
| survivesAs | manuscript copies ⓘ |
| usesConcept |
angle of incidence
ⓘ
angle of refraction ⓘ geometric construction ⓘ refractive index ratio ⓘ |
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: Ibn Sahl's treatise on burning mirrors and lenses Description of subject: Ibn Sahl's treatise on burning mirrors and lenses is a foundational 10th-century work in Islamic optics that mathematically analyzes refraction and lens design, anticipating principles later formalized in Snell’s law.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.