Exercise · ZW-LOGICAL-OPERATOR-009 · ★★★ Advanced
The arity of an operator indicates...
Choose one option.
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- D. How many propositions it takes
Explanation
Arity is the number of propositions an operator takes, not its truth value. For example, \(\neg\) has arity one.
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.
\[L:\{\top,\bot\}^{n}\to\{\top,\bot\}\]
More practice problems: logical operator
- ZW-LOGICAL-OPERATOR-001 What does a logical operator do?
- ZW-LOGICAL-OPERATOR-002 A unary operator takes...
- ZW-LOGICAL-OPERATOR-003 A binary operator takes...
- ZW-LOGICAL-OPERATOR-004 Which expression uses a unary operator?
- ZW-LOGICAL-OPERATOR-005 Which expression uses a binary operator?
- ZW-LOGICAL-OPERATOR-006 What is a logical operator used for inside a formula?
- ZW-LOGICAL-OPERATOR-007 Which one is a unary operator?
- ZW-LOGICAL-OPERATOR-008 Which of these symbols is a binary operator?