Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematician
gptkb:Islamic_scholar 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 |
| https://www.w3.org/2000/01/rdf-schema#label |
Al-Sijzi
|
| 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
|