Question

Is {(1, 1), (2, 2)} symmetric and/or antisymmetric?

score 6.9k · Answer 1 · 2014-12-17 19:10:09

6.9k

Views

Is {(1, 1), (2, 2)} symmetric and/or antisymmetric?

Published on 17 Dec 2014 - 19:10

score 142 · Answer 2 · 2014-12-18 05:34:26

142

Views

Finding number of relations using counting

Published on 18 Dec 2014 - 5:34

score 943 · Answer 3 · 2014-12-18 16:45:36

943

Views

What is at the difference bijection and equinumerous?

Published on 18 Dec 2014 - 16:45

score 65 · Answer 4 · 2014-12-18 17:05:37

65

Views

Is it true that the relation |A| < |B| is a sufficient condition for claiming that $f$ is a bijection?

Published on 18 Dec 2014 - 17:05

score 1.5k · Answer 5 · 2014-12-18 17:35:43

1.5k

Views

Why is x=1 not reflexive? (or determining the properties of reflexive relations)

Published on 18 Dec 2014 - 17:35

score 4.5k · Answer 6 · 2014-12-19 23:58:09

4.5k

Views

Definition of totality in relations

Published on 19 Dec 2014 - 23:58

score 96 · Answer 7 · 2014-12-22 03:11:47

96

Views

Prove $X\times Y$ is an equivalence relation

Published on 22 Dec 2014 - 3:11

score 139 · Answer 8 · 2014-12-22 03:51:18

139

Views

If $X,Y$ are equivalence relations, so is $X \times Y$

Published on 22 Dec 2014 - 3:51

score 196 · Answer 9 · 2014-12-22 06:03:15

196

Views

Find position on line given start and end points

Published on 22 Dec 2014 - 6:03

score 116 · Answer 10 · 2014-12-22 10:24:50

116

Views

Can totality be defined in terms of left-totality (or right-totality)?

Published on 22 Dec 2014 - 10:24

score 218 · Answer 11 · 2014-12-22 16:32:15

218

Views

How many one-to-one relations $A\rightarrow{A}$ are possible for a set $A$?

Published on 22 Dec 2014 - 16:32

score 48 · Answer 12 · 2026-03-25 20:36:07

48

Views

In what way are the elements in this list of numbers most simply related?

Published on 25 Mar 2026 - 20:36

score 2.4k · Answer 13 · 2026-03-26 19:00:40

2.4k

Views

An example in the fundamental theorem of equivalence relations?

Published on 26 Mar 2026 - 19:00

score 46.6k · Answer 14 · 2026-03-29 06:28:59

46.6k

Views

Prove that the empty relation is Transitive, Symmetric but not Reflexive

Published on 29 Mar 2026 - 6:28

score 1.6k · Answer 15 · 2026-03-25 15:50:20

1.6k

Views

Is Russell's paradox really about sets as such?

Published on 25 Mar 2026 - 15:50

List Question

Is {(1, 1), (2, 2)} symmetric and/or antisymmetric?

Finding number of relations using counting

What is at the difference bijection and equinumerous?

Is it true that the relation |A| < |B| is a sufficient condition for claiming that $f$ is a bijection?

Why is x=1 not reflexive? (or determining the properties of reflexive relations)

Definition of totality in relations

Prove $X\times Y$ is an equivalence relation

If $X,Y$ are equivalence relations, so is $X \times Y$

Find position on line given start and end points

Can totality be defined in terms of left-totality (or right-totality)?

How many one-to-one relations $A\rightarrow{A}$ are possible for a set $A$?

In what way are the elements in this list of numbers most simply related?

An example in the fundamental theorem of equivalence relations?

Prove that the empty relation is Transitive, Symmetric but not Reflexive

Is Russell's paradox really about sets as such?

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