Exercise · ZW-EQUIPOTENCE-006 · ★☆☆ Basic

How is it written that the sets \(A\) and \(B\) are equipotent?

Choose one option.

Show answer
  • D. \(A\sim B\)

Explanation

The symbol \(\sim\) denotes equipotence. The other three express proper inclusion, membership and disjointness.

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Review the concept: Equipotence

Two sets \(A\) and \(B\) are equipotent if there is a bijection \(f\colon A\to B\). It is written \(A\sim B\).

\[A\sim B \iff \exists\, f\colon A\to B\ \text{biyectiva}\]

More practice problems: equipotence

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