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In set theory, a relation R from set A to set B is defined as what?
AAn arbitrary subset of A × B
BAn arbitrary subset of B × A
CA one-to-one mapping from A to B
DThe union of the sets A and B
Answer & Solution
Correct answer: A. An arbitrary subset of A × B
A relation is any collection of ordered pairs drawn from the Cartesian product A × B.
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