Questions
Negation of the statement is
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a
~(p∧r)→∼(r∨q)
b
(~p∨~r)∨(r∨q)
c
(p∧r)∧(r∧q)
d
(p∧r)∧(~r∧~q)
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Correct option is D
we know that ~(p→q)≡p∧~q∴ ~((p∧r)→(r∨q))≡(p∧r)∧[~(r∨q)]≡(p∧r)∧(~r∧~q)
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The contrapositive of inverse of is
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