Question

Does the following define an equivalence relation on a set?

score 73 · Answer 1 · 2026-04-02 05:21:53

73

Views

Does the following define an equivalence relation on a set?

Published on 02 Apr 2026 - 5:21

score 146 · Answer 2 · 2026-04-02 07:02:16

146

Views

Proving an equivalence relation on a group $G$.

Published on 02 Apr 2026 - 7:02

score 265 · Answer 3 · 2017-02-19 00:28:48

265

Views

Determine whether $R$ is reflexive, symmetric, anti-symmetric, or transitive

Published on 19 Feb 2017 - 0:28

score 475 · Answer 4 · 2017-02-19 17:21:50

475

Views

Is this a transitive set of pairs?

Published on 19 Feb 2017 - 17:21

score 2.9k · Answer 5 · 2026-04-02 07:05:44

2.9k

Views

Define the relation $\mathscr{R}$ on $\Bbb Z$ by $x \mathscr{R} y$ iff $xy >0$. I wish to examine several properties of this relation.

Published on 02 Apr 2026 - 7:05

score 249 · Answer 6 · 2017-02-20 16:28:24

249

Views

Proving $f(f^{-1}(x))=x$

Published on 20 Feb 2017 - 16:28

score 2.8k · Answer 7 · 2017-02-20 21:33:39

2.8k

Views

set relations (relation that is symmetric and transitive but not reflexive)

Published on 20 Feb 2017 - 21:33

score 465 · Answer 8 · 2017-02-25 14:29:22

465

Views

what does relation mean in math ? need an intuitive understanding.

Published on 25 Feb 2017 - 14:29

score 851 · Answer 9 · 2017-02-26 22:55:32

851

Views

How to read a set builder notation describing relations

Published on 26 Feb 2017 - 22:55

score 1.1k · Answer 10 · 2017-02-27 03:37:42

1.1k

Views

Relations on the set of natural numbers

Published on 27 Feb 2017 - 3:37

score 2.1k · Answer 11 · 2026-04-02 07:09:58

2.1k

Views

transitivity of a relation, through matrix.

Published on 02 Apr 2026 - 7:09

score 1.7k · Answer 12 · 2017-02-28 06:59:07

1.7k

Views

How many reflexive, symmetric, and antisymmetric relations are there on an n-element set?

Published on 28 Feb 2017 - 6:59

score 79 · Answer 13 · 2026-03-25 06:00:15

79

Views

Proving that $R$ is a partial order on $X$

Published on 25 Mar 2026 - 6:00

score 170 · Answer 14 · 2017-02-28 17:09:25

170

Views

Suppose $g:A\rightarrow B$ and $f:B\rightarrow C$, where $f \circ g$ is injective. (Con't in description)

Published on 28 Feb 2017 - 17:09

score 466 · Answer 15 · 2017-03-02 01:26:29

466

Views

The opposite of Transitivity (relations, set theory)

Published on 02 Mar 2017 - 1:26

List Question

Does the following define an equivalence relation on a set?

Proving an equivalence relation on a group $G$.

Determine whether $R$ is reflexive, symmetric, anti-symmetric, or transitive

Is this a transitive set of pairs?

Define the relation $\mathscr{R}$ on $\Bbb Z$ by $x \mathscr{R} y$ iff $xy >0$. I wish to examine several properties of this relation.

Proving $f(f^{-1}(x))=x$

set relations (relation that is symmetric and transitive but not reflexive)

what does relation mean in math ? need an intuitive understanding.

How to read a set builder notation describing relations

Relations on the set of natural numbers

transitivity of a relation, through matrix.

How many reflexive, symmetric, and antisymmetric relations are there on an n-element set?

Proving that $R$ is a partial order on $X$

Suppose $g:A\rightarrow B$ and $f:B\rightarrow C$, where $f \circ g$ is injective. (Con't in description)

The opposite of Transitivity (relations, set theory)

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