Relation
21-01-28–21-06-12
Definition
A relation on a set \(S\) is a subset of \(S \times S\).
Notation
If \((a,b) \in R\) we say \(a\) and \(b\) are related.
A relation on a set \(S\) is a subset of \(S \times S\).
If \((a,b) \in R\) we say \(a\) and \(b\) are related.