Jade Mirror of the Four Unknowns
                        
                            GPTKB entity
                        
                    
                Statements (23)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:book | 
| gptkbp:author | gptkb:Zhu_Shijie | 
| gptkbp:contains | problems involving up to four unknowns | 
| gptkbp:countryOfOrigin | gptkb:China | 
| gptkbp:genre | gptkb:mathematics_treatise | 
| gptkbp:historicalSignificance | major work in Yuan dynasty mathematics | 
| gptkbp:influenced | later Chinese mathematics | 
| gptkbp:influencedBy | Chinese algebraic tradition | 
| gptkbp:language | gptkb:Chinese | 
| gptkbp:method | reduction of equations symbolic representation of unknowns use of counting rods | 
| gptkbp:notableFor | early use of elimination method systematic use of four unknowns | 
| gptkbp:originalTitle | 四元玉鉴 | 
| gptkbp:publicationYear | 1303 | 
| gptkbp:structure | four parts | 
| gptkbp:subject | gptkb:algebra polynomial equations Chinese mathematics | 
| gptkbp:bfsParent | gptkb:Zhu_Shijie | 
| gptkbp:bfsLayer | 8 | 
| https://www.w3.org/2000/01/rdf-schema#label | Jade Mirror of the Four Unknowns |