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5/49 MCQs for:

Logic

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

¬.

∨.

→.

∧.

Which of the following is equivalent to 'if p, then q' in logic?

p → q.

p ∨ q.

p ∧ q.

¬p.

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

p → q.

p ∨ q.

p ∧ q.

¬p.

Which of the following is the symbol for 'union' in set theory?

∪.

∖.

∩.

⊆.

Which of the following is equivalent to 'for all x, P(x)' in logic?

¬P(x).

∀x, P(x).

P(x).

∃x, P(x).