Question

Necessary and sufficient condition for existence of a partial order

score 185 · Answer 1 · 2019-03-19 19:52:01

185

Views

Necessary and sufficient condition for existence of a partial order

Published on 19 Mar 2019 - 19:52

score 1.1k · Answer 2 · 2019-03-20 12:22:17

1.1k

Views

Relations, cartesian product of sets and ordered pair

Published on 20 Mar 2019 - 12:22

score 519 · Answer 3 · 2019-03-20 22:52:12

519

Views

Is a topological sorting of a poset a total ordering?

Published on 20 Mar 2019 - 22:52

score 25 · Answer 4 · 2019-03-21 18:21:50

25

Views

Equivalence/(Partial order) relation or any other suitable known relations?

Published on 21 Mar 2019 - 18:21

score 1.6k · Answer 5 · 2019-03-23 03:29:59

1.6k

Views

is there a bijection for $f: \mathbb R \to \mathbb C$?

Published on 23 Mar 2019 - 3:29

score 109 · Answer 6 · 2019-03-23 07:16:35

109

Views

When is a relation a function?

Published on 23 Mar 2019 - 7:16

score 1.1k · Answer 7 · 2019-03-23 15:17:31

1.1k

Views

Why is a symmetric relation defined: $\forall x\forall y( xRy\implies yRx)$ and not $\forall x\forall y (xRy\iff yRx)$?

Published on 23 Mar 2019 - 15:17

score 1.4k · Answer 8 · 2019-03-23 16:27:27

1.4k

Views

Finding the equivalence classes of a seemingly infinite set

Published on 23 Mar 2019 - 16:27

score 86 · Answer 9 · 2019-03-24 18:46:30

86

Views

Set theory question regarding $A\overline{\sim} B = \{x+y : <x,y>\in A\times B\}$

Published on 24 Mar 2019 - 18:46

score 699 · Answer 10 · 2019-03-26 17:53:45

699

Views

Proving that the composition of relations are equal to each other

Published on 26 Mar 2019 - 17:53

score 139 · Answer 11 · 2019-03-26 21:57:20

139

Views

Let $A$ = {2, 3, 4, 7} and $B$ = {1, 2, 3, ..., 12}. Define $aSb$ if and only if $a | b$

Published on 26 Mar 2019 - 21:57

score 82 · Answer 12 · 2019-03-28 07:34:33

82

Views

Form relation inside set $ A = \{1,2,3\} $ so that $\text{R}:\text{A}\leftrightarrow \text{A}$

Published on 28 Mar 2019 - 7:34

score 300 · Answer 13 · 2019-03-28 13:51:51

300

Views

Divisibility relations on $\Bbb N, \Bbb Z^*$, and properties thereof

Published on 28 Mar 2019 - 13:51

score 242 · Answer 14 · 2019-03-28 18:17:13

242

Views

How to prove that a closure is well defined by intersection of sets?

Published on 28 Mar 2019 - 18:17

score 57 · Answer 15 · 2019-03-29 18:54:38

57

Views

Is this relation reflexive if it "chains" to itself?

Published on 29 Mar 2019 - 18:54

List Question

Necessary and sufficient condition for existence of a partial order

Relations, cartesian product of sets and ordered pair

Is a topological sorting of a poset a total ordering?

Equivalence/(Partial order) relation or any other suitable known relations?

is there a bijection for $f: \mathbb R \to \mathbb C$?

When is a relation a function?

Why is a symmetric relation defined: $\forall x\forall y( xRy\implies yRx)$ and not $\forall x\forall y (xRy\iff yRx)$?

Finding the equivalence classes of a seemingly infinite set

Set theory question regarding $A\overline{\sim} B = \{x+y : <x,y>\in A\times B\}$

Proving that the composition of relations are equal to each other

Let $A$ = {2, 3, 4, 7} and $B$ = {1, 2, 3, ..., 12}. Define $aSb$ if and only if $a | b$

Form relation inside set $ A = \{1,2,3\} $ so that $\text{R}:\text{A}\leftrightarrow \text{A}$

Divisibility relations on $\Bbb N, \Bbb Z^*$, and properties thereof

How to prove that a closure is well defined by intersection of sets?

Is this relation reflexive if it "chains" to itself?

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