MCQ
Let R be a relation from a set A to a set B, then:
- A$\text{R}=\text{A}\cup\text{B}$
- B$\text{R}=\text{A}\cap\text{B}$
- C$\text{R}\subseteq\text{A}\times\text{B}$
- D$\text{R}\subseteq\text{B}\times\text{A}$
Solution:
If R is a relation from set A to set B, then R is always a subset of A × B.
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