Part A;
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Part B;
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Part C;
DeMorgan’s Laws: (negating AND and OR)
(The statements shown are logically equivalent.)
∼(p ∧ q) ↔ (∼p ∨ ∼q)
∼(p ∨ q) ↔ (∼p ∧ ∼q)
Notice that the negation symbol is distributed across the parentheses and the symbols are changed from AND to OR (or vice versa).