If p : A man is happy and
q : A man is rich
Then, the statement ''If a man is not happy, then he is not rich'' is written as

p: A man is happy q: The man is rich. The symbolic representation of "If a man is not rich then he is not happy" is

p: A man is happy q: The man is rich. The symbolic representation of "If a man is not rich then he is not happy" is

Ifp : 'If a man is rich, then he is happy',q: 'If a man is not rich, then he is not happy', r :'If a man is unhappy, then he is nor rich' and s: 'If a man is happy, then he is rich', then pairs of statements having the same meaning (equivalent) are :

The negation of the statement : ''If a person is social, then he is happy.'' is

The dual of the statement "Manoj has the job but he is not happy" is

The dual of the statement "Manoj has the job but he is not happy" is

The negation of the statement ''He is rich and happy'' is given by

The negation of the statement ''He is rich and happy'' is given by

The negation of the statement given by "He is rich and happy" is