Write the negation of each of the following statements (1) `p^^(qtor)` (2) `~pvv(qto~r)` (3) `(~pvv~q)^^(p^^~q)`.

Write the duals of each of the following: pvv(q^^r)

Write the duals of each of the following: ~pvv(q^^r)^^t

Construct the switching circuit for each of the following statements : (1) (p^^q)vv(~p)vv(p^^~q) (2) (p^^q^^r)vv[~pvv(^^~r)] (3) [pvv(~p^^q)]vv[(~q^^r)vv~p]