Proof by Contrapositive: If n^2 is Even then n is Even
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3 سال پیش
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Using the contrapositive, we prove
Using the contrapositive, we prove that if n^2 is even then n is even. A proof by contrapositive is not necessary here, we'll touch on how it could be done directly, but this is definitely a case where the contrapositive is more obvious. We'll also recap what the contrapositive actually is, and why we care about it. #Proofs
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3 سال پیش
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