List questions from relations

Published on 17 Apr 2019 - 20:44

289

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The Matrix of an Equivalence Relation

Published on 17 Apr 2019 - 21:59

145

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Examining properties of the relation $R = \{(S_1,S_2) \mid |S_1| < |S_2|, S_1,S_2 \subseteq S\}$ where $S$ is finite

Published on 26 Mar 2026 - 2:48

30

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How to prove this fact about the discrete closure?

Published on 19 Apr 2019 - 8:34

62

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Basics of Relations Help

Published on 20 Apr 2019 - 16:10

100

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Is this the correct relation for a finite set?

Published on 21 Apr 2019 - 4:45

85

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How do you find a defined relation?

Published on 21 Apr 2019 - 5:22

29

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Need help with relation properties using logical operators

Published on 23 Apr 2019 - 1:35

1.8k

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Finding an equivalence classes for the relation $(x_1,y_1)\sim(x_2,y_2)\ \iff\ x_1^2+y_1^2=x_2^2+y_2^2$.

Published on 26 Mar 2026 - 17:53

244

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Counting the number of equivalence classes given the relation (a,b),(c,d) elements of AXA where (a,b)R(c,d) if and only if a+b=c+d

Published on 27 Apr 2019 - 5:23

39

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I need to come up with a rule for a set and their relation

Published on 26 Mar 2026 - 6:28

2.7k

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Inverses of Surjective and Injective Functions

Published on 26 Mar 2026 - 4:52

139

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How to prove transitive relations

Published on 29 Apr 2019 - 15:28

35

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Three dimensional representation of a set

Published on 25 Mar 2026 - 11:32

959

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Finding and proving if a relation is reflexive/transitive/symmetric/anti-symmetric

Published on 30 Apr 2019 - 13:47

List Question

Tangent vectors as equivalence classes of triples and ordinary vectors

The Matrix of an Equivalence Relation

Examining properties of the relation $R = \{(S_1,S_2) \mid |S_1| < |S_2|, S_1,S_2 \subseteq S\}$ where $S$ is finite

How to prove this fact about the discrete closure?

Basics of Relations Help

Is this the correct relation for a finite set?

How do you find a defined relation?

Need help with relation properties using logical operators

Finding an equivalence classes for the relation $(x_1,y_1)\sim(x_2,y_2)\ \iff\ x_1^2+y_1^2=x_2^2+y_2^2$.

Counting the number of equivalence classes given the relation (a,b),(c,d) elements of AXA where (a,b)R(c,d) if and only if a+b=c+d

I need to come up with a rule for a set and their relation

Inverses of Surjective and Injective Functions

How to prove transitive relations

Three dimensional representation of a set

Finding and proving if a relation is reflexive/transitive/symmetric/anti-symmetric

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