Exercise · ZW-LOGICAL-OPERATOR-005 · ★☆☆ Basic
Which expression uses a binary operator?
Choose one option.
Show answer
- D. P ∧ Q
Explanation
The conjunction \(P\land Q\) is binary because it combines two propositions. \(\neg P\) is unary, and \(P\) and True are not operators.
Review the concept: Logical operator
A logical operator \(L\) is a function that, for some integer \(n\geq 1\), takes \(n\) propositions and produces a proposition.
\[L:\{\top,\bot\}^{n}\to\{\top,\bot\}\]
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