The equivalences ~(p ∧ q) ≡ ~p ∨ ~q and ~(p ∨ q) ≡ ~p ∧ ~q are known as
AAbsorption laws
BIdempotent laws
CDistributive laws
DDe Morgan's laws
Answer & Solution
Correct answer: D. De Morgan's laws
These two negation rules are De Morgan's laws.
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