Contrapositive Proofs

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We look at another formal mathematical proof method for use in number theory: contrapositive proofs. We discuss the difference between contrapositive and direct proofs, explain why contrapositive proofs are logically sound, and give a formal example. This is a Bullis Student Tutors video -- made by students for students. • YouTube Channel:    / bullisstudenttutors   • Google Mail: [email protected]

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