Mathematics, 06.09.2021 01:30 caleb768
Use De Morgan's law for quantified statements and the laws of propositional
logic to show the following equivalences:
(a) Vr (P(2) A-Q(x)) = 3r (-P(2) VQ(x))
(b) Vr (-P(z) → Q(2)) = 3r (-P(2)A-Q())
(c) -3x (-P(x) V (Q(2)^-R(z))) = Vz(P(2)^(-Q(x) V R()))
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Use De Morgan's law for quantified statements and the laws of propositional
logic to show the foll...
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