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Which of the following can only be used in disproving the statements?

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in Discrete Mathematics by (558k points)
Which of the following can only be used in disproving the statements?

(a) Direct proof

(b) Contrapositive proofs

(c) Counter Example

(d) Mathematical Induction

The question was posed to me at a job interview.

The question is from Types of Proofs topic in division The Foundation: Logics and Proofs of Discrete Mathematics

1 Answer

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Best answer
Right choice is (c) Counter Example

Explanation: Counter examples cannot be used to prove results.

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