List questions from irrational-numbers

103

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Is there an explicit example of an uncountable collection of pairwise disjoint, dense, countable subsets whose union equals $[0,1]$?

Published on 31 May 2021 - 18:21

406

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Is $\pi$! irrational?

Published on 07 Apr 2026 - 17:29

148

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Is algebraic dependence a transitive relation?

Published on 23 Feb 2026 - 4:25

62

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the number 0.23571113....

Published on 07 Jun 2021 - 13:23

112

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A problem about Lebesgue-measurability, irrational numbers, and rational numbers.

Published on 12 Jun 2021 - 9:00

221

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Why do we use $...$ with irrational numbers?

Published on 25 Feb 2026 - 12:18

171

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Irrationality of certain lacunary series

Published on 17 Jun 2021 - 3:25

97

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Is there a method for finding two irrational numbers that multiply together to form a rational number

Published on 17 Jun 2021 - 18:00

92

Views

Is infinite sum of square roots of square-free integers irrational?

Published on 20 Jun 2021 - 8:01

143

Views

Is it possible to find a circle with exactly 5 rational points?

Published on 08 Apr 2026 - 6:25

196

Views

Is the infinite product $\prod_{i=0}^{\infty}(1+\frac{1}{2^{3^i}})$ transcendental?

Published on 27 Mar 2026 - 19:10

388

Views

$2^\sqrt{10}$ vs $3^2$

Published on 26 Mar 2026 - 2:53

299

Views

Obtaining irrational probabilities

Published on 04 Jul 2021 - 8:01

371

Views

Prove if number is rational or irrational

Published on 04 Jul 2021 - 21:57

1.1k

Views

Sum of 2 positive irrational numbers is irrational?

Published on 07 Jul 2021 - 16:33

List Question

Is there an explicit example of an uncountable collection of pairwise disjoint, dense, countable subsets whose union equals $[0,1]$?

Is $\pi$! irrational?

Is algebraic dependence a transitive relation?

the number 0.23571113....

A problem about Lebesgue-measurability, irrational numbers, and rational numbers.

Why do we use $...$ with irrational numbers?

Irrationality of certain lacunary series

Is there a method for finding two irrational numbers that multiply together to form a rational number

Is infinite sum of square roots of square-free integers irrational?

Is it possible to find a circle with exactly 5 rational points?

Is the infinite product $\prod_{i=0}^{\infty}(1+\frac{1}{2^{3^i}})$ transcendental?

$2^\sqrt{10}$ vs $3^2$

Obtaining irrational probabilities

Prove if number is rational or irrational

Sum of 2 positive irrational numbers is irrational?

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