Which of the following is De-Morgan’s law? – McqOptions

MCQOPTIONS

1.	Which of the following is De-Morgan’s law?
A.	P ∧ (Q v R) Ξ (P ∧ Q) v (P ∧ R)
B.	~(P ∧ R) Ξ ~P v ~R, ~(P v R) Ξ ~P ∧ ~R
C.	P v ~P Ξ True, P ∧ ~P Ξ False
D.	None of the mentioned
Answer» C. P v ~P Ξ True, P ∧ ~P Ξ False

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