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~(p(~pq)) is equal to

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By Expert Faculty of Sri Chaitanya
a
~p∧(p∧~q)
b
(p∧~q)∨~p
c
(p∨~q)∨~p
d
None of these
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detailed solution

Correct option is A

~[p∨(~p∨q)]    ≡∼p∧~(~p∨q)    ≡∼p∧(~(~p)∧~q)    ≡∼p∧(p∧~q)


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