Question

Determine If relations are reflexive, symmetric, antisymmetric, transitive

score 2.2k · Answer 1 · 2016-11-29 21:24:14

2.2k

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Determine If relations are reflexive, symmetric, antisymmetric, transitive

Published on 29 Nov 2016 - 21:24

score 367 · Answer 2 · 2016-12-01 23:24:31

367

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Equivalence relations, counting equivalence classes between sets

Published on 01 Dec 2016 - 23:24

score 162 · Answer 3 · 2026-03-26 12:40:34

162

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Help in understanding definition of algebraic topology

Published on 26 Mar 2026 - 12:40

score 1k · Answer 4 · 2016-12-03 08:48:26

1k

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How to define a Bijection between $(A^B)^C$ and $A^{B \times C}$

Published on 03 Dec 2016 - 8:48

score 138 · Answer 5 · 2016-12-04 18:20:32

138

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Let $a,b,p\in\mathbb Z$ and $n\in\mathbb N$ Show that $a\equiv b\pmod n$ is an equivalence relation.

Published on 04 Dec 2016 - 18:20

score 287 · Answer 6 · 2026-03-31 12:13:44

287

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If $(a,b)\sim(A,B)$ and $(c,d) \sim (C,D)$ prove $(a,b)(c,d)\sim(A,B)(C,D)$

Published on 31 Mar 2026 - 12:13

score 44 · Answer 7 · 2016-12-07 00:55:44

44

Views

How is $a \equiv b \pmod m $

Published on 07 Dec 2016 - 0:55

score 52 · Answer 8 · 2016-12-07 06:41:02

52

Views

Show that R is an equivalence relations?

Published on 07 Dec 2016 - 6:41

score 789 · Answer 9 · 2016-12-07 19:23:16

789

Views

Prove that R is an equivalence relation.

Published on 07 Dec 2016 - 19:23

score 27 · Answer 10 · 2016-12-08 07:35:38

27

Views

Let (A, $\preceq$) be a poset.Define a map $f:A \to P(A)$ by $f(x) = \{ y \in A | y \preceq x \}$ for all $x \in A$.

Published on 08 Dec 2016 - 7:35

score 183 · Answer 11 · 2016-12-09 08:01:30

183

Views

Reference request: does the notion of equivalence relation extend to proper classes?

Published on 09 Dec 2016 - 8:01

score 81 · Answer 12 · 2026-03-31 14:27:10

81

Views

How to prove the following statement about whole numbers using its definition?

Published on 31 Mar 2026 - 14:27

score 277 · Answer 13 · 2016-12-12 01:21:52

277

Views

How do I find the equivalence class of 0? I already wrote the proof.

Published on 12 Dec 2016 - 1:21

score 1.1k · Answer 14 · 2016-12-13 02:48:16

1.1k

Views

The relation A defined on $\mathbb{R}$ by $ \exists k \in \mathbb{Z} , xAy \iff x - y = 2k$ is an equivalence relation.

Published on 13 Dec 2016 - 2:48

score 1k · Answer 15 · 2016-12-13 21:04:38

1k

Views

Let R be the relation defined on the set of real numbers by xRy iff x=y or xy=1

Published on 13 Dec 2016 - 21:04

List Question

Determine If relations are reflexive, symmetric, antisymmetric, transitive

Equivalence relations, counting equivalence classes between sets

Help in understanding definition of algebraic topology

How to define a Bijection between $(A^B)^C$ and $A^{B \times C}$

Let $a,b,p\in\mathbb Z$ and $n\in\mathbb N$ Show that $a\equiv b\pmod n$ is an equivalence relation.

If $(a,b)\sim(A,B)$ and $(c,d) \sim (C,D)$ prove $(a,b)(c,d)\sim(A,B)(C,D)$

How is $a \equiv b \pmod m $

Show that R is an equivalence relations?

Prove that R is an equivalence relation.

Let (A, $\preceq$) be a poset.Define a map $f:A \to P(A)$ by $f(x) = \{ y \in A | y \preceq x \}$ for all $x \in A$.

Reference request: does the notion of equivalence relation extend to proper classes?

How to prove the following statement about whole numbers using its definition?

How do I find the equivalence class of 0? I already wrote the proof.

The relation A defined on $\mathbb{R}$ by $ \exists k \in \mathbb{Z} , xAy \iff x - y = 2k$ is an equivalence relation.

Let R be the relation defined on the set of real numbers by xRy iff x=y or xy=1

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