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Beginner
Propositional Logic
Multiple Choice
How is the formula
¬P ∧ Q
grouped?
¬P ∧ Q
(¬P) ∧ Q — the negation applies to P alone
¬(P ∧ Q) — the negation applies to the whole conjunction
Either reading works, because the two are equivalent
The formula is not well formed
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Which sentence says the same as ¬(P ∧ Q)?
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In P → Q, P ⊨ Q, what does the symbol ⊨ mean?
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