1.

The false statement in the following is [Karnataka CET 2002]

A.                 \[p\wedge (\tilde{\ }p)\] is a contradiction
B.                 \[(p\Rightarrow q)\Leftrightarrow (\tilde{\ }q\Rightarrow \ \tilde{\ }p)\] is a contradiction
C.                 \[\tilde{\ }(\tilde{\ }p)\Leftrightarrow p\] is a tautology
D.                 \[p\vee (\tilde{\ }p)\]Û is a tautology
Answer» C.                 \[\tilde{\ }(\tilde{\ }p)\Leftrightarrow p\] is a tautology


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