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GATE 2023 Discrete Mathematics Quiz 26

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Question 1

Consider two well-formed formulas in propositional logic
F1: P ⇒ ¬P
F2: (P⇒ ¬P)∨( ¬P⇒P)
Which of the following statements is correct?

Question 2

Which of the following is not correct?

Question 3

Which of the following statement is not correct?

Question 4

Which among the following proposition is a tautology?

Question 5

The following propositional statement is (P → (Q∨R)) → ((P∧Q) → R)?

Question 6

Which one is the correct translation of the following statement into mathematical logic?

"None of my friends are perfect."

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Sep 19GATE & PSU CS