MCQ
Let R be a relation from a set A to a set B, then:
- A$\text{ R} = \text{A}∪\text{B}$
- B$\text{ R} = \text{A}\cap\text{B}$
- ✓$ \text{R} \subseteq \text{A}\times{\text{B}}$
- D$ \text{R} \subseteq \text{B}\times{\text{A}}$
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