For two propositions p and q, let the logical operator NAND (an abbr

For two propositions p and q, let the logical operator NAND (an abbreviation for NOT AND)
be defined as p NAND q = ∼(p ∧ q).
We can use the NAND operator to express the negation operator as follows: ∼p ≡ p NAND p.
(a) Show how to use the NAND operator to express the disjunction operation ∧ (AND) by
showing how to write p ∧ q using propositions p, q, and NAND operators.
(b) Do the same for the conjunction operator ∨ (OR): Show how to express p ∨ q using
propositions p, q and NAND operators.

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