The contrapositive of `(pvvq) to r` is
The contrapositive of `(pvvq) to r` is
A. `r to (pvvq)`
B. `~r to (pvvq)`
C. `~r to (~ p ^^~q)`
D. `p to (qvvr)`
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Correct Answer - C
`p to q` is false only when p is true and q is false
Therefore, `p to q` is `~ q to ~p`
Therefore, contrapositive of `(pvvq) to r` is
`~r to ~(pvvq)`
`-=~ rto (~p^^~q)`
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