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 match will not be played and weather is not good and ground is wet.
If the match will not be played, then either weather is not good or ground is wet.
The match will not be played or weather is good and ground is not wet.
The match will be played and weather is not good or ground is wet.
Which of the following Boolean expression is a tautology ?
Which of the following is not logically equivalent to the proposition : “A real number is either rational or irrational”.
The statement $(\sim( p \Leftrightarrow \sim q )) \wedge q$ is :
The negation of the statement
''If I become a teacher, then I will open a school'', is
Contrapositive of the statement 'If two numbers are not equal, then their squares are not equal', is