Proofs

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Proofs

4 questions

Contradiction, induction, contraposition, examples, counterexamples, and the craft of writing arguments that actually convince.

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Questions about Proofs

Updated May 9, 2026

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How to prove that √2 is irrational by contradiction?

Algebra Number Theory IIT-JEE Mathematics Proofs

Updated Apr 29, 2026

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is the sum of all natural numbers 1 plus 2 plus 3 plus 4 really equal to negative 1 divided by 12 explained

Calculus Number Theory Infinity and Paradoxes Math Misconceptions Proofs

Updated Apr 27, 2026

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is 0.999 repeating exactly equal to 1 or just approximately equal explain the proof

Real Analysis Infinity and Paradoxes Math Misconceptions Limits Proofs

Chloe Villeneuve

Updated Apr 23, 2026

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What is a ring in abstract algebra? Intuitive explanation

Algebra Real Analysis Proofs