Mathematics · Mathematical Reasoning
To prove that Statement A ⇒ Statement B, Sudha starts her proof by assuming 'not B', and reasons logically to arrive at 'not A'. Which method of proof did Sudha employ?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Proof by induction
- 2Proof by construction
- 3Proof by exhaustion
- 4Proof by contrapositive✓
Correct answer
Proof by contrapositive
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