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5/49 MCQs for:

Logic

Which logical expression represents 'not p and not q'?

¬(p ∧ q).

¬(p ∨ q).

¬p ∨ ¬q.

¬p ∧ ¬q.

What does the logical operator → represent?

Implication.

Disjunction.

Conjunction.

Negation.

What is the value of ¬(¬p) if p is true?

True.

False.

Depends on the value of p.

Cannot be determined.

Which of the following is equivalent to 'p if and only if q' in logic?

p ∧ q.

p ∨ q.

¬p.

p ↔ q.

Which of the following is the symbol for 'not' in logic?

∨.

→.

∧.

¬.