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By Expert Faculty of Sri Chaitanya
a
a contradiction
b
a tautology
c
neither a tautology nor a contradiction
d
both a tautology and a contradiction
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Correct option is A
If (p∧~q)∧(~p∧q)≡(p∧~p)∧(~q∧q) ≡(f∧f)≡f(f→ false ) (By using associative laws and commutative laws) ∴(p∧~q)∧(~p∧q) is a contradiction.Similar Questions
The converse of the statement 'If sun is not shining, then sky is filled with clouds' is
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