List questions from relations

Published on 31 Jul 2013 - 8:41

229

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What do $R$, $R^2$ and $R^{-1}$ represent?

Published on 07 Apr 2026 - 19:32

336

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Partially ordered set Question : $A=\{1,2,3,4,5,6\}$ ,$R =\mathcal P(A) \times \mathcal P(A) $

Published on 08 Apr 2026 - 0:23

62

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Relation between two gamma functions

Published on 06 Apr 2026 - 22:49

296

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Examples of relations: reflexive but not transtive; transtitive but not symmetric; symmetric but not reflexive

Published on 06 Aug 2013 - 4:55

379

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Ted Sider's Definition of a Total Relation over a Set D

Published on 06 Aug 2013 - 16:38

1.1k

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Smallest Congruence Relation generated by a set

Published on 30 Mar 2026 - 13:34

291

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What is a relationship between sets and Factorials of Non-Natural number?

Published on 29 Mar 2026 - 19:11

36

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Relation which is only locally a function

Published on 15 Aug 2013 - 9:50

1.4k

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Proving $R^n$ is antisymmetric when R is antisymmetric

Published on 15 Aug 2013 - 15:50

100

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$R\subset S\times S$ for $S=\{1,2,3\}$: A Graph-Theoretic Approach

Published on 06 Apr 2026 - 16:14

2.1k

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$(a,b)\,R\,(c,d)\iff a+2b=c+2d:\;$ Equivalence classes of a Partition

Published on 06 Apr 2026 - 16:18

170

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Not closed under equality?

Published on 08 Apr 2026 - 3:03

517

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Who is Epsilon ($\epsilon$)? a binary relation?

Published on 03 Apr 2026 - 3:32

2.3k

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Two questions about monotonicity of entailment.

Published on 24 Aug 2013 - 19:21

List Question

Transitive closure of these relations on $\{1,2,3,4\}$?

What do $R$, $R^2$ and $R^{-1}$ represent?

Partially ordered set Question : $A=\{1,2,3,4,5,6\}$ ,$R =\mathcal P(A) \times \mathcal P(A) $

Relation between two gamma functions

Examples of relations: reflexive but not transtive; transtitive but not symmetric; symmetric but not reflexive

Ted Sider's Definition of a Total Relation over a Set D

Smallest Congruence Relation generated by a set

What is a relationship between sets and Factorials of Non-Natural number?

Relation which is only locally a function

Proving $R^n$ is antisymmetric when R is antisymmetric

$R\subset S\times S$ for $S=\{1,2,3\}$: A Graph-Theoretic Approach

$(a,b)\,R\,(c,d)\iff a+2b=c+2d:\;$ Equivalence classes of a Partition

Not closed under equality?

Who is Epsilon ($\epsilon$)? a binary relation?

Two questions about monotonicity of entailment.

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