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Infinity and Paradoxes

9 questions

Infinite sets, infinite decimals, divergent series, and the difference between finite intuition and infinite objects.

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Questions about Infinity and Paradoxes

Jun 11, 2026

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Why is the Collatz conjecture still hard to prove?

Number Theory Discrete Mathematics Infinity and Paradoxes

Jun 11, 2026

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Are there infinitely many twin primes like 11 and 13?

Number Theory Infinity and Paradoxes

May 1, 2026

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Why is dividing by zero undefined instead of infinity?

Algebra Infinity and Paradoxes Math Misconceptions Limits

Apr 30, 2026

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Can someone explain Hilbert's hotel paradox simply?

Discrete Mathematics Infinity and Paradoxes Proofs

Jun 11, 2026

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Does 1+2+3+4+... really equal -1/12? Math explained

Calculus Number Theory Infinity and Paradoxes Math Misconceptions Proofs

Jun 11, 2026

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Does the infinite series 9/10^n really sum to 1?

Calculus Real Analysis Infinity and Paradoxes

Jun 13, 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

Apr 27, 2026

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If 0.999... equals 1, what about 0.999...8?

Infinity and Paradoxes Math Misconceptions

Jun 11, 2026

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Why do some infinite series add up to a finite number?

Calculus Infinity and Paradoxes