Exercise · ZW-PREDICATE-008 · ★★☆ Intermediate

Which one is an instance of the predicate P(x): x>0?

Choose one option.

Show answer
  • C. P(3)

Explanation

Substituting \(x\) by 3 in \(P(x): x>0\) gives \(P(3): 3>0\), which is an instance of the predicate.

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Review the concept: Predicate

A predicate \(P(x)\) is an expression with free variables that becomes a proposition when values are assigned to them.

\[P(x,y)\in\{\top,\bot\}\]

More practice problems: predicate

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