The contrapositive of the statement "If I reach the station in time, then I will catch the train" is
If I will catch the train, then I reach the station in time.
If I do not reach the station in time, then I will not catch the train.
If I will not catch the train, then I do not reach the station in time.
If I do not reach the station in time, then I will catch the train.
Negation of $(p \Rightarrow q) \Rightarrow(q \Rightarrow p)$ is
Consider the following statements:
$P$ : I have fever
$Q:$ I will not take medicine
$R$ : I will take rest
The statement "If I have fever, then I will take medicine and I will take rest" is equivalent to:
Consider the statement "The match will be played only if the weather is good and ground is not wet". Select the correct negation from the following:
The negation of the compound proposition $p \vee (\sim p \vee q)$ is
Given the following two statements :
$\left( S _{1}\right):( q \vee p ) \rightarrow( p \leftrightarrow \sim q )$ is a tautology.
$\left( S _{2}\right): \sim q \wedge(\sim p \leftrightarrow q )$ is a fallacy.
Then