二元关系
Sign in to saveAlso known as 2-place relation, dyadic relation
任何一組有序對; （在甲組上）甲的有序元素對的集合，即甲×甲的子集; （在兩組甲和乙之間）有序對的集合，其中甲中的第一個元素和乙中的第二個元素
Described at
Binary Relation - GeeksforGeeks
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Wikidata facts
- Subclass of
- relation
- Part of
- Cartesian product
- Has parts of class
- ordered pair
Show 7 more facts
- has characteristic
- codomain
- topic's main category
- Category:Binary relations
- different from
- ternary relation
- Commons category
- Binary relations
- maintained by WikiProject
- WikiProject Mathematics
- topic has template
- Template:Binary relations
via Wikidata · CC0
Article · 中文
数学上，二元关系（英語：Binary relation，或简称关系）用於讨论两种物件的连系。诸如算术中的「大於」及「等於」、几何学中的「相似」或集合论中的「为……之元素」、「为……之子集」。
Abstract from DBpedia / Wikipedia · CC BY-SA