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GATE CS 2022 : Discrete Math -1
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Question 1
If p: 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
q: A man is rich
Then the statement “If a man is not happy, then he is not rich” is written as
Question 2
Consider the following well-formed formulae:
I.
II.
III.
IV.
Which of the above are equivalent?
I.
II.
III.
IV.
Which of the above are equivalent?
Question 3
Which one of the following is NOT logically equivalent to 
Question 4
Consider the following propositional statements:
Which one of the following is true?
Which one of the following is true?
Question 5
How many of the following is/are not Tautology?
1) 
2) 
3) 
4) 
Question 6
Consider the following well-formed formula:
The maximum numbers of rows in truth table of above formula which evaluate to true are ________.
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Jun 22GATE & PSU CS
