Naive set theory: Relations
Basic concepts
Consider the sets \(X=\{2,3,4,5\}\), \(Y=\{6,7\}\) and the relation
\(R=\{(x,y)\mid x\text{ is priem of }y\text{ is priem, maar niet allebei}\}\) from \(X\) to \(Y\).
Write \(R\) explicitly as a set of ordered pairs in \(X\times Y\).
| \(R={}\) |
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