Question

Prove that $R_1 \cup R_2 \cup (A_1 \times A_2)$ is antisymmetric on $A_1 \cup A_2$.

score 73 · Answer 1 · 2016-06-01 21:55:24

73

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Prove that $R_1 \cup R_2 \cup (A_1 \times A_2)$ is antisymmetric on $A_1 \cup A_2$.

Published on 01 Jun 2016 - 21:55

score 1.2k · Answer 2 · 2026-04-06 04:53:12

1.2k

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Equivalence relation and class, Proof.

Published on 06 Apr 2026 - 4:53

score 7.5k · Answer 3 · 2016-06-02 03:30:17

7.5k

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Proving a relation is anti-symmetric and transitive

Published on 02 Jun 2016 - 3:30

score 3.3k · Answer 4 · 2016-06-02 06:10:19

3.3k

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Is the intersection of a relation that is antisymmetric and a relation that is not antisymmetric, antisymmetric

Published on 02 Jun 2016 - 6:10

score 64 · Answer 5 · 2016-06-02 16:16:57

64

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Is this the correct directed graph for this relation?

Published on 02 Jun 2016 - 16:16

score 459 · Answer 6 · 2016-06-02 19:07:06

459

Views

Is my understanding of Binary relations correct?

Published on 02 Jun 2016 - 19:07

score 270 · Answer 7 · 2016-06-03 05:09:58

270

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Help with set theory question about binary relations

Published on 03 Jun 2016 - 5:09

score 3.1k · Answer 8 · 2016-06-03 07:13:39

3.1k

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Is the complement of a symmetric relation symmetric?

Published on 03 Jun 2016 - 7:13

score 174 · Answer 9 · 2016-06-03 08:11:09

174

Views

Determine if the binary relation is reflexive, symmetric, anti-symmetric, or transitive.

Published on 03 Jun 2016 - 8:11

score 1.1k · Answer 10 · 2016-06-03 15:36:08

1.1k

Views

Are two relations equal if they are both equivalence relations

Published on 03 Jun 2016 - 15:36

score 849 · Answer 11 · 2016-06-04 01:20:14

849

Views

How do I determine whether a function is onto or not without drawing the graphs?

Published on 04 Jun 2016 - 1:20

score 73 · Answer 12 · 2016-06-04 01:26:47

73

Views

If $A=\{1, 2, 3\}$ and $R=\{(1, 1),(2, 2), (1, 2), (2, 1), (1, 3)\}$ then is $R$ transitive?

Published on 04 Jun 2016 - 1:26

score 2.9k · Answer 13 · 2026-04-02 05:35:23

2.9k

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What is the period of $f(x) = \cos (x) \cos(2x) \cos(3x)$?

Published on 02 Apr 2026 - 5:35

score 95 · Answer 14 · 2016-06-04 09:05:45

95

Views

Proof about equivalence relations

Published on 04 Jun 2016 - 9:05

score 253 · Answer 15 · 2016-06-04 21:38:57

253

Views

How to construct a symmetric, transitive and reflexive relation

Published on 04 Jun 2016 - 21:38

List Question

Prove that $R_1 \cup R_2 \cup (A_1 \times A_2)$ is antisymmetric on $A_1 \cup A_2$.

Equivalence relation and class, Proof.

Proving a relation is anti-symmetric and transitive

Is the intersection of a relation that is antisymmetric and a relation that is not antisymmetric, antisymmetric

Is this the correct directed graph for this relation?

Is my understanding of Binary relations correct?

Help with set theory question about binary relations

Is the complement of a symmetric relation symmetric?

Determine if the binary relation is reflexive, symmetric, anti-symmetric, or transitive.

Are two relations equal if they are both equivalence relations

How do I determine whether a function is onto or not without drawing the graphs?

If $A=\{1, 2, 3\}$ and $R=\{(1, 1),(2, 2), (1, 2), (2, 1), (1, 3)\}$ then is $R$ transitive?

What is the period of $f(x) = \cos (x) \cos(2x) \cos(3x)$?

Proof about equivalence relations

How to construct a symmetric, transitive and reflexive relation

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