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Revise smart, understand Better

5/49 MCQs for:

Logic

In the following sentences, an example of a statement is:

Lilian has been promoted to Form 5.

Drive the car.

I wish today will be sunny.

Where are you coming from now.

Which of the following is the symbol for 'if and only if' in logic?

∧.

∨.

↔.

¬.

What is the value of (∀x)(x + 5 = 10) if the domain is all natural numbers (x ∈ ℕ)?

Depends on the value of x.

Cannot be determined.

False.

True.

Which of the following is equivalent to 'not p' in logic?

p ∨ q.

p → q.

p ∧ q.

¬p.

Which of the following is the symbol for 'implies' in logic?

¬.

∨.

→.

∧.