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1.
In which of the following cases, 
is true?
is true?
2.
Which of the following propositions is a tautology?
3.
If 
A man is happy
q:A man is rich
Then, the statement, "If a man is not happy, then he is not rich" is written as
A man is happyq:A man is rich
Then, the statement, "If a man is not happy, then he is not rich" is written as
4.
Which of the following is false?
5.
Let 
and 
be two statements. Then, 
is a
and be two statements. Then, is a
6.
Logical equivalent proposition to the proposition 
7.
What are the truth values of 
and 
respectively, when and always speak true in any argument?
and respectively, when and always speak true in any argument?
8.
Which of the following is a proposition?
9.
Which of the following is the inverse of the proposition : "If a number is a prime, then it is odd"?
10.
Let be the statement 'Ravi races' and let be the statement 'Ravi wins'. Then, the verbal translation of 
is
be the statement 'Ravi races' and let be the statement 'Ravi wins'. Then, the verbal translation of is