List questions from rational-numbers

Published on 21 Aug 2014 - 12:00

267

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Length of a rationals period in base $b$

Published on 23 Aug 2014 - 3:15

166

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Rational values of $\sin(\log(x))$

Published on 23 Aug 2014 - 17:32

3.1k

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The topology generated by open intervals of rational numbers

Published on 24 Aug 2014 - 21:23

282

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Correctness of the proof that the set $\{x \in \mathbb{Q} : x>0 \text{ and } x^2>2\}$ does not have a smallest element

Published on 31 Aug 2014 - 1:45

81

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Correctness of proof that every positive rational with square $>2$ is an upper bound for those with square $<2$

Published on 31 Aug 2014 - 2:57

116

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Cantor diagonal argument; related number

Published on 31 Aug 2014 - 20:38

136

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Is a complex fraction considered part of the rationals?

Published on 01 Sep 2014 - 1:22

294

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What do rationals represent?

Published on 08 Sep 2014 - 11:53

17.8k

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Can rational numbers have decimals?

Published on 08 Sep 2014 - 13:01

42

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How many rationals for a given $n \in \Bbb N \;\backslash \{1\}$?

Published on 26 Mar 2026 - 4:30

127

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Given that $a>1$, show that the exponential function $a^x$ is increasing for $x\in\mathbb{Q}$

Published on 09 Sep 2014 - 14:14

314

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Usage of decimal expansion

Published on 28 Mar 2026 - 11:54

3.4k

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The supremum of rationals that are less than a given number is equal to that number

Published on 28 Mar 2026 - 10:31

255

Views

$\mathbb{Q}$ can not be embedded in $\mathbb{Z}$

Published on 28 Mar 2026 - 10:54

List Question

Representation of positive rational numbers as series.

Length of a rationals period in base $b$

Rational values of $\sin(\log(x))$

The topology generated by open intervals of rational numbers

Correctness of the proof that the set $\{x \in \mathbb{Q} : x>0 \text{ and } x^2>2\}$ does not have a smallest element

Correctness of proof that every positive rational with square $>2$ is an upper bound for those with square $<2$

Cantor diagonal argument; related number

Is a complex fraction considered part of the rationals?

What do rationals represent?

Can rational numbers have decimals?

How many rationals for a given $n \in \Bbb N \;\backslash \{1\}$?

Given that $a>1$, show that the exponential function $a^x$ is increasing for $x\in\mathbb{Q}$

Usage of decimal expansion

The supremum of rationals that are less than a given number is equal to that number

$\mathbb{Q}$ can not be embedded in $\mathbb{Z}$

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