Question

intersection of equivalence relations

score 92 · Answer 1 · 2026-04-12 16:04:27

92

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intersection of equivalence relations

Published on 12 Apr 2026 - 16:04

score 97 · Answer 2 · 2026-03-25 18:53:43

97

Views

Compatibility of pullbacks with an equivalence relation

Published on 25 Mar 2026 - 18:53

score 207 · Answer 3 · 2026-04-13 02:30:55

207

Views

Proving the set of orbits of the action of a group on a set form a partition of that set

Published on 13 Apr 2026 - 2:30

score 71 · Answer 4 · 2022-07-18 01:57:26

71

Views

Implications of Equilvalence Relations of Finite Sets of Integers

Published on 18 Jul 2022 - 1:57

score 23 · Answer 5 · 2022-07-21 17:12:28

23

Views

final form of answer for equivalence closure of a relation

Published on 21 Jul 2022 - 17:12

score 44 · Answer 6 · 2022-07-23 14:37:45

44

Views

$p([0,1/4))$ is (not) an open set in $X_{\backslash\sim}$ with $X = [0,1]$, and $p$ the projective map.

Published on 23 Jul 2022 - 14:37

score 36 · Answer 7 · 2026-03-22 01:32:36

36

Views

Is this proof correct to show that $\text{Im}(\varphi)$ is countably infinite?

Published on 22 Mar 2026 - 1:32

score 56 · Answer 8 · 2022-07-27 10:33:27

56

Views

Equivalence Relation Question - Type

Published on 27 Jul 2022 - 10:33

score 159 · Answer 9 · 2026-04-11 17:07:09

159

Views

Matrix problems over a finite field

Published on 11 Apr 2026 - 17:07

score 1k · Answer 10 · 2026-04-11 22:20:50

1k

Views

Proof that the set of equivalence classes of a relation on a set form a partition of that set.

Published on 11 Apr 2026 - 22:20

score 848 · Answer 11 · 2026-03-29 20:51:35

848

Views

If a non-empty set $A$ has a partition then there is an equivalence relation on that set whose equivalence classes are the sets in the partition

Published on 29 Mar 2026 - 20:51

score 30 · Answer 12 · 2022-08-03 15:53:41

30

Views

On a finite lattice, I define an equivalence relation based on automorphisms, and want to determine if the quotient set is a lattice.

Published on 03 Aug 2022 - 15:53

score 61 · Answer 13 · 2022-08-13 22:49:17

61

Views

Solution Verification: An equivalence relation on finite subsets of $\mathbb{N}$, defined by having equal sums of the elements in the sets

Published on 13 Aug 2022 - 22:49

score 75 · Answer 14 · 2022-08-21 21:57:20

75

Views

Equivalence relation: $x \sim y \iff [x]_1 = [y]_1$

Published on 21 Aug 2022 - 21:57

score 189 · Answer 15 · 2026-03-30 12:14:46

189

Views

a non-Borel equivalence relation whose every equivalence class is Borel

Published on 30 Mar 2026 - 12:14

List Question

intersection of equivalence relations

Compatibility of pullbacks with an equivalence relation

Proving the set of orbits of the action of a group on a set form a partition of that set

Implications of Equilvalence Relations of Finite Sets of Integers

final form of answer for equivalence closure of a relation

$p([0,1/4))$ is (not) an open set in $X_{\backslash\sim}$ with $X = [0,1]$, and $p$ the projective map.

Is this proof correct to show that $\text{Im}(\varphi)$ is countably infinite?

Equivalence Relation Question - Type

Matrix problems over a finite field

Proof that the set of equivalence classes of a relation on a set form a partition of that set.

If a non-empty set $A$ has a partition then there is an equivalence relation on that set whose equivalence classes are the sets in the partition

On a finite lattice, I define an equivalence relation based on automorphisms, and want to determine if the quotient set is a lattice.

Solution Verification: An equivalence relation on finite subsets of $\mathbb{N}$, defined by having equal sums of the elements in the sets

Equivalence relation: $x \sim y \iff [x]_1 = [y]_1$

a non-Borel equivalence relation whose every equivalence class is Borel

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