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5/49 MCQs for:

Logic

What is the value of (∃x)(x² = 25) if the domain is all integers (x ∈ ℤ)?

False.

True.

Cannot be determined.

Depends on the value of x.

Given that

p: John is a Cameroonian

q: John is bilingual,

the statement ‘If John is bilingual then he is a Cameroonian’ can be represented as:

q → ~ p.

p → q.

q → p.

p → ~q.

What is the value of ¬(p ∧ q) if p is false and q is true?

Cannot be determined.

False.

Depends on the value of p and q.

True.

Which of the following is equivalent to 'p or q' in logic?

p ∨ q.

p ∧ q.

p → q.

¬p.

Which logical expression is equivalent to ¬(p ∧ q)?

¬p ∧ ¬q.

¬(p ∨ q).

¬p ∨ ¬q.

¬p → ¬q.