Statements (26)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:mathematician gptkb:Islamic_scholar gptkb:astronomer | 
| gptkbp:alternativeName | gptkb:Abu_Sa'id_Ahmad_ibn_Muhammad_ibn_Abd_al-Jalil_al-Sijzi | 
| gptkbp:birthDate | circa 945 | 
| gptkbp:birthPlace | gptkb:Sijistan | 
| gptkbp:contribution | constructed a special astrolabe assuming Earth's rotation studied the possibility of Earth's rotation | 
| gptkbp:deathDate | circa 1020 | 
| gptkbp:era | gptkb:Islamic_Golden_Age | 
| gptkbp:field | gptkb:astronomy gptkb:geometry gptkb:mathematics | 
| gptkbp:influencedBy | gptkb:Euclid gptkb:Ptolemy | 
| gptkbp:knownFor | invention of the al-zūraqī astrolabe work on the Earth's rotation | 
| gptkbp:language | gptkb:Arabic gptkb:Persian | 
| gptkbp:nationality | gptkb:Persian | 
| gptkbp:notableWork | gptkb:Commentary_on_Euclid's_Elements gptkb:Treatise_on_the_astrolabe | 
| gptkbp:region | Sistan (present-day Iran/Afghanistan) | 
| gptkbp:bfsParent | gptkb:Islamic_mathematicians | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | Al-Sijzi |