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For any statement 'p' prove that ~(~p)-...

For any statement 'p' prove that `~(~p)-= p.`

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The correct Answer is:
Prepare the truth table as shown .
`(##SCH_OPM_ISC_MAT_XI_C27_E08_007_A01##)`
Since the cloumns of p and ~(~p) coincide, so ~(~p)-= p.
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