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Write the dual of each of the following ...

Write the dual of each of the following :
(1) `(pvvq)^^T` (2) `(p^^q)vv(rvvs)` (3) `p^^[~qvv(p^^q)vv~r]`
(4) Madhuri has curly hair and brown eyes.
(5) `(p^^t)^^(c^^~q)` where t is a tautology and c is a contradiction.
Solution : The duals are given by :

Text Solution

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(1) `(p^^q)vvF`
(2) `(pvvq)^^(rvvs)`
`pvv[~q^^(pvvq)^^~r]`
Madhuri has curly hair or brown eyes.
(5) `(pvvc)vv(tvv~q)`
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