Exercise · ZW-UNIVERSAL-QUANTIFIER-009 · ★★★ Advanced

Which statement is equivalent to \(\forall x\,P(x)\)?

Choose one option.

Show answer
  • D. Every element satisfies P

Explanation

"Every element satisfies P" is equivalent to \(\forall x\,P(x)\); the others talk about some x or the negation of the universal.

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Review the concept: Universal quantifier

Given a predicate \(P(x)\) over a domain \(D\), the universal quantifier asserts that \(P(x)\) is true for every \(x\in D\).

\[\forall x\,P(x)\]

More practice problems: universal quantifier

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