| gptkbp:instanceOf | gptkb:ancient_Chinese_mathematical_text 
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                                | gptkbp:alsoKnownAs | gptkb:The_Arithmetical_Classic_of_the_Gnomon_and_the_Circular_Paths_of_Heaven 
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                                | gptkbp:authorAttributedTo | Zhou dynasty scholars 
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                                | gptkbp:category | astronomical works Chinese mathematics literature
 
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                                | gptkbp:contains | gptkb:mathematics gptkb:Pythagorean_theorem
 astronomical calculations
 explanations of the gnomon
 
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                                | gptkbp:countryOfOrigin | gptkb:China 
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                                | gptkbp:date | circa 1st century BCE to 2nd century CE 
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                                | gptkbp:hasCommentaryBy | gptkb:Zhao_Shuang 
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                                | gptkbp:influenced | Chinese mathematics East Asian mathematics
 
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                                | gptkbp:language | gptkb:Classical_Chinese 
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                                | gptkbp:mainCharacter | gptkb:Duke_of_Zhou gptkb:Shang_Gao
 
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                                | gptkbp:preservedIn | gptkb:Siku_Quanshu 
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                                | gptkbp:relatedTo | gptkb:Chinese_calendar gptkb:Nine_Chapters_on_the_Mathematical_Art
 gnomon
 right triangle
 shadow measurement
 
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                                | gptkbp:significance | earliest known Chinese text to state the Pythagorean theorem 
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                                | gptkbp:structure | prose and dialogue 
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                                | gptkbp:studiedBy | gptkb:mathematician historians of science
 
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                                | gptkbp:subject | gptkb:astronomy gptkb:mathematics
 
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                                | gptkbp:bfsParent | gptkb:Gaocheng_Observatory_Scenic_Area 
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                                | gptkbp:bfsLayer | 6 
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                                | https://www.w3.org/2000/01/rdf-schema#label | Zhoubi Suanjing 
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