Question: 4. Using De Morgan's law for quantified statements and laws of propositional logic prove that: -Yx (-P(x) Q(x)-3x (~P(x) ^-Q(x))

4. Using De Morgan's law for quantified statements and laws of

4. Using De Morgan's law for quantified statements and laws of propositional logic prove that: -Yx (-P(x) Q(x)-3x (~P(x) ^-Q(x))

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