I have a question about what I would call a relation inside a relation. Like:(adsbygoogle = window.adsbygoogle || []).push({});

A={1,2,3) and B={a,b,c}

R1={(a,1) ,(a,3), (b,2), (c,1,), (c,3) }

R2={(a,a), (b,a), (b,c), (c,a) }

R3=R1R2

Like this. I have 2 regular relations. Then I form another relation using these 2. How do I do that? Like if you want to map it or show their common sets.

I would say there's none.

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# Relations (Relation inside a Relation)

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