220px|thumb|The intersection (red) of two disks (white and red with black boundaries). thumb|right|The circle (black) intersects the line (purple) in two points (red). The disk (yellow) intersects the line in the [[line segment between the two red points.]] 220px|thumb|The intersection of D and E is shown in grayish purple. The intersection of A with any of B, C, D, or E is the empty set.
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在数学中，相交是两个几何图形之间关系的一种。两个图形相交是指它们有公共的部分，或者说同时属于两者的点的集合不是空集。若两个几何图形在某个地方有且只有一个交点，则可以称为相切而不是相交。如果两个图形完全重合，则一般不称为相交。 集合论中，两个集合相交是指它们的交集不是空集。
Abstract from DBpedia / Wikipedia · CC BY-SA
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).