The propositions \[(p\Rightarrow \tilde{\ }p)\wedge (\tilde{\ }p\Right

1.	The propositions \[(p\Rightarrow \tilde{\ }p)\wedge (\tilde{\ }p\Rightarrow p)\] is a
A.	Tautology and contradiction
B.	Neither tautology nor contradiction
C.	Contradiction
D.	Tautology
Answer» D. Tautology

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The propositions \[(p\Rightarrow \tilde{\ }p)\wedge (\tilde{\ }p\Rightarrow p)\] is a

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