Question

How to show that symmetry holds for equivalence classes of an equivalence relation $R$ on a set $A$?

score 175 · Answer 1 · 2019-07-01 04:40:05

175

Views

How to show that symmetry holds for equivalence classes of an equivalence relation $R$ on a set $A$?

Published on 01 Jul 2019 - 4:40

score 388 · Answer 2 · 2019-07-02 12:36:33

388

Views

Checking if a preference relation admits a utility function

Published on 02 Jul 2019 - 12:36

score 201 · Answer 3 · 2019-07-08 13:53:53

201

Views

some relation $R$ is defined on $\mathbb{R}$ such that $xRy \iff x = 7^{k}y,$ for some $k\in \mathbb{Z}$. Prove that $R$ is an equivalence relation

Published on 08 Jul 2019 - 13:53

score 281 · Answer 4 · 2019-07-08 21:54:22

281

Views

What is the meaning of compatibility in this context?

Published on 08 Jul 2019 - 21:54

score 51 · Answer 5 · 2019-07-09 23:20:32

51

Views

Considering equivalence relations and the compositions of relations

Published on 09 Jul 2019 - 23:20

score 82 · Answer 6 · 2019-07-10 01:18:06

82

Views

Any total relation is extensional

Published on 10 Jul 2019 - 1:18

score 152 · Answer 7 · 2019-07-10 02:30:51

152

Views

How do I prove transitivity of $R = \{(x, y) : x - y \in \mathbb{Z}\}$?

Published on 10 Jul 2019 - 2:30

score 564 · Answer 8 · 2019-07-12 15:29:09

564

Views

Finding transitive closure of a 3x3 matrix

Published on 12 Jul 2019 - 15:29

score 42 · Answer 9 · 2019-07-14 19:49:49

42

Views

What are the terms for individual elements in a binary relation?

Published on 14 Jul 2019 - 19:49

score 120 · Answer 10 · 2019-07-15 17:27:01

120

Views

Does there exist a symbol for approximately directly proportional?

Published on 15 Jul 2019 - 17:27

score 144 · Answer 11 · 2019-07-16 15:32:39

144

Views

How To Prove the Given Relation is Not Transitive Without Cherry Picking Examples

Published on 16 Jul 2019 - 15:32

score 121 · Answer 12 · 2019-07-18 06:21:15

121

Views

Reflexive transitive closure problem

Published on 18 Jul 2019 - 6:21

score 269 · Answer 13 · 2019-07-18 16:54:19

269

Views

Prove that a relation $R$ on a set $X$ satisfies $R \circ R^{-1} = \Delta_X$ iff $R$ is reflexive and antisymmetric.

Published on 18 Jul 2019 - 16:54

score 24 · Answer 14 · 2019-07-21 10:52:01

24

Views

Help with some defintions on Binary Relations?

Published on 21 Jul 2019 - 10:52

score 30 · Answer 15 · 2019-07-23 02:14:20

30

Views

Relation Composition and Set Equality

Published on 23 Jul 2019 - 2:14

List Question

How to show that symmetry holds for equivalence classes of an equivalence relation $R$ on a set $A$?

Checking if a preference relation admits a utility function

some relation $R$ is defined on $\mathbb{R}$ such that $xRy \iff x = 7^{k}y,$ for some $k\in \mathbb{Z}$. Prove that $R$ is an equivalence relation

What is the meaning of compatibility in this context?

Considering equivalence relations and the compositions of relations

Any total relation is extensional

How do I prove transitivity of $R = \{(x, y) : x - y \in \mathbb{Z}\}$?

Finding transitive closure of a 3x3 matrix

What are the terms for individual elements in a binary relation?

Does there exist a symbol for approximately directly proportional?

How To Prove the Given Relation is Not Transitive Without Cherry Picking Examples

Reflexive transitive closure problem

Prove that a relation $R$ on a set $X$ satisfies $R \circ R^{-1} = \Delta_X$ iff $R$ is reflexive and antisymmetric.

Help with some defintions on Binary Relations?

Relation Composition and Set Equality

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