User Casper

6 votes

1 answer

374 views

Academic reference concerning Minkowski's question mark function

asked Feb 3, 2017 at 1:16

6 votes

3 answers

451 views

Extending any model of ZFC to one where CH does/does not hold

asked Jun 17, 2017 at 14:24

4 votes

2 answers

245 views

Textbook on absolute continuity

asked Jan 23, 2017 at 10:19

4 votes

2 answers

292 views

How does large cardinal axioms make arithmetical statements provable?

asked Mar 20, 2017 at 9:39

4 votes

1 answer

475 views

Derivative of function defined on only rational numbers

asked Nov 22, 2016 at 16:36

4 votes

2 answers

871 views

Why do new real numbers show up in Gödel's constructible hierarchy

asked Nov 25, 2017 at 9:35

3 votes

1 answer

130 views

An exegetical question about a passage in Weyl's "The Continuum"

asked Jan 9, 2018 at 23:26

3 votes

1 answer

114 views

Order of limits of difference quotient

asked Nov 21, 2016 at 17:47

3 votes

1 answer

2k views

Alternative definition of derivative

asked Jan 12, 2017 at 17:39

3 votes

1 answer

319 views

Obvious but unprovable: If $f'$ is the zero function on $\mathbb Q$, then $f$ is constant [duplicate]

asked Jan 17, 2017 at 7:25

2 votes

1 answer

113 views

Uniform continuity of difference function

asked Nov 24, 2016 at 17:44

2 votes

1 answer

51 views

How strong continuity is needed for the values of derivative on rational numbers to contain all information about the derivative?

asked Jan 23, 2017 at 18:12

1 vote

1 answer

170 views

Can every set in Gödel's constructible hierarchy be described in language?

asked Apr 2, 2017 at 0:32

1 vote

1 answer

155 views

Trees and ordinals

asked Apr 29, 2017 at 19:45

1 vote

0 answers

206 views

Cauchy sequence version of completeness theorem for real numbers

asked Nov 24, 2015 at 13:32

1 vote

1 answer

76 views

How to rule out counter-examples like Minkowski's question mark function

asked Jan 22, 2017 at 20:59

1 vote

1 answer

78 views

$\int_0^1f(x)\cdot x^{n+1}\text{d}x > \int_0^1f(x)\cdot x^n\text{d}x \cdot \int_0^1f(x)\cdot x\text{d}x$

asked Mar 5, 2019 at 15:08

1 vote

1 answer

55 views

Almost certain non-existence of limit

asked Dec 26, 2021 at 8:39

0 votes

1 answer

65 views

In $\mathbb{R}^\mathbb{N}$: Simultaneous distance reduction to points in $A$ possible iff outside closed convex hull spanned by $A$

asked Jan 30, 2022 at 6:22

0 votes

0 answers

94 views

Strong derivative, difference function, and uniform continuity

asked Jan 14, 2017 at 17:27

0 votes

1 answer

60 views

Uniform continuity preserved under extension of function

asked Dec 5, 2016 at 0:04

0 votes

1 answer

72 views

Terminology: absolute/unconditional/uncountable additivity

asked Sep 11, 2017 at 2:45

Stack Exchange Network

22 Questions

Academic reference concerning Minkowski's question mark function

Extending any model of ZFC to one where CH does/does not hold

Textbook on absolute continuity

How does large cardinal axioms make arithmetical statements provable?

Derivative of function defined on only rational numbers

Why do new real numbers show up in Gödel's constructible hierarchy

An exegetical question about a passage in Weyl's "The Continuum"

Order of limits of difference quotient

Alternative definition of derivative

Obvious but unprovable: If $f'$ is the zero function on $\mathbb Q$, then $f$ is constant [duplicate]

Uniform continuity of difference function

How strong continuity is needed for the values of derivative on rational numbers to contain all information about the derivative?

Can every set in Gödel's constructible hierarchy be described in language?

Trees and ordinals

Cauchy sequence version of completeness theorem for real numbers

How to rule out counter-examples like Minkowski's question mark function

$\int_0^1f(x)\cdot x^{n+1}\text{d}x > \int_0^1f(x)\cdot x^n\text{d}x \cdot \int_0^1f(x)\cdot x\text{d}x$

Almost certain non-existence of limit

In $\mathbb{R}^\mathbb{N}$: Simultaneous distance reduction to points in $A$ possible iff outside closed convex hull spanned by $A$

Strong derivative, difference function, and uniform continuity

Uniform continuity preserved under extension of function

Terminology: absolute/unconditional/uncountable additivity