Question

The equivalence relation is defined on a set of 9 elements and is negatively transitive relation. How many equivalence classes can be there?

score 49 · Answer 1 · 2023-12-14 22:16:45

49

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The equivalence relation is defined on a set of 9 elements and is negatively transitive relation. How many equivalence classes can be there?

Published on 14 Dec 2023 - 22:16

score 104 · Answer 2 · 2023-12-21 00:17:27

Trigonometric proof of the equivalence $ \arctan [\frac {1} {2}] - \arccos [{\frac {1+3 \sqrt{3}}{2 \sqrt{10}}}] = \frac {\pi} {12} $

score 58 · Answer 3 · 2026-03-29 18:36:32

58

Views

Is there any way to have a geometric, visual intuition of what this manifold could be?

Published on 29 Mar 2026 - 18:36

score 64 · Answer 4 · 2026-04-01 10:08:38

64

Views

Intuition on equivalence classes from group action on $a$ and index of the stabilizer of $a$

Published on 01 Apr 2026 - 10:08

score 62 · Answer 5 · 2023-12-31 05:41:38

62

Views

Equivalence classes of $\mathbb{R}/\mathbb{Z}$.

Published on 31 Dec 2023 - 5:41

score 72 · Answer 6 · 2026-03-30 00:20:13

72

Views

Equivalence relations, formal languages, and hypercube walks - what did I unleash on my students?

Published on 30 Mar 2026 - 0:20

score 34 · Answer 7 · 2024-01-11 18:26:26

34

Views

Inverse images of sets versus inverse functions - should we use different notation?

Published on 11 Jan 2024 - 18:26

score 76 · Answer 8 · 2024-01-14 15:31:51

76

Views

Is the empty set in this quotient set

Published on 14 Jan 2024 - 15:31

score 19 · Answer 9 · 2024-01-15 12:49:13

19

Views

What is this equivalence class like set-theoretic construct called?

Published on 15 Jan 2024 - 12:49

score 63 · Answer 10 · 2026-03-31 05:40:55

63

Views

What can we say about Green's relations on a semilattice?

Published on 31 Mar 2026 - 5:40

score 85 · Answer 11 · 2024-01-17 22:42:02

85

Views

Struggle with equivalence relation definition in graph theory paper regarding clique-width

Published on 17 Jan 2024 - 22:42

score 89 · Answer 12 · 2024-01-18 02:30:31

89

Views

Finding bijection between set of equivalence classes and integers

Published on 18 Jan 2024 - 2:30

score 75 · Answer 13 · 2024-01-19 21:13:00

75

Views

Why does the proof of the disjointedness of equivalence classes not account for when an equivalence class is just a subset of another?

Published on 19 Jan 2024 - 21:13

score 89 · Answer 14 · 2024-01-22 19:10:16

89

Views

Axiomatic justification of the quotient set being a set rather than a class

Published on 22 Jan 2024 - 19:10

score 83 · Answer 15 · 2024-01-25 10:44:41

83

Views

Proving $A \sim B \iff (\exists k\in \mathbb{N}^+)(\forall n \in \mathbb{N}^+)nk\in A \iff nk\in B$ is equivalence relation.

Published on 25 Jan 2024 - 10:44

List Question

The equivalence relation is defined on a set of 9 elements and is negatively transitive relation. How many equivalence classes can be there?

Trigonometric proof of the equivalence $ \arctan [\frac {1} {2}] - \arccos [{\frac {1+3 \sqrt{3}}{2 \sqrt{10}}}] = \frac {\pi} {12} $

Is there any way to have a geometric, visual intuition of what this manifold could be?

Intuition on equivalence classes from group action on $a$ and index of the stabilizer of $a$

Equivalence classes of $\mathbb{R}/\mathbb{Z}$.

Equivalence relations, formal languages, and hypercube walks - what did I unleash on my students?

Inverse images of sets versus inverse functions - should we use different notation?

Is the empty set in this quotient set

What is this equivalence class like set-theoretic construct called?

What can we say about Green's relations on a semilattice?

Struggle with equivalence relation definition in graph theory paper regarding clique-width

Finding bijection between set of equivalence classes and integers

Why does the proof of the disjointedness of equivalence classes not account for when an equivalence class is just a subset of another?

Axiomatic justification of the quotient set being a set rather than a class

Proving $A \sim B \iff (\exists k\in \mathbb{N}^+)(\forall n \in \mathbb{N}^+)nk\in A \iff nk\in B$ is equivalence relation.

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