List questions from relations

Published on 16 Nov 2016 - 21:10

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Prove that 2-adic equivalence gives a partition of $\mathbb{N}$

Published on 27 Mar 2026 - 10:40

465

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Give an example of a partially ordered set

Published on 17 Nov 2016 - 18:30

47

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Need help with determining relations from graphs.

Published on 17 Nov 2016 - 22:13

418

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Is a dividing relation on the natural numbers an symmetric/antisymmetric relation?

Published on 18 Nov 2016 - 14:33

227

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If R is a total order and b is a minimal element of B, then b is the smallest element of B.

Published on 18 Nov 2016 - 15:36

49

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Proving whether ~ is an equivalence class

Published on 01 Apr 2026 - 19:05

430

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Is $R$ reflexive, symmetric, and transitive?

Published on 19 Nov 2016 - 7:58

3.9k

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Is $xy \geq 0$ an equivalence relation?

Published on 01 Apr 2026 - 19:06

33

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If a relation doesn't apply, is it considered true?

Published on 19 Nov 2016 - 14:27

7.6k

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Proving that $f: N \to Z$ is a bijection

Published on 20 Nov 2016 - 4:34

456

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Generating an equivalence relation out of another relation?

Published on 01 Apr 2026 - 19:06

93

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Prove relations

Published on 21 Nov 2016 - 14:28

263

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How many relations in ${\mathscr P}(A \times A)$ are symmetric?

Published on 22 Nov 2016 - 7:29

131

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Prove that this set is compact?

Published on 22 Nov 2016 - 17:36

List Question

Can a function that is not by definition a function have an "inverse"?

Prove that 2-adic equivalence gives a partition of $\mathbb{N}$

Give an example of a partially ordered set

Need help with determining relations from graphs.

Is a dividing relation on the natural numbers an symmetric/antisymmetric relation?

If R is a total order and b is a minimal element of B, then b is the smallest element of B.

Proving whether ~ is an equivalence class

Is $R$ reflexive, symmetric, and transitive?

Is $xy \geq 0$ an equivalence relation?

If a relation doesn't apply, is it considered true?

Proving that $f: N \to Z$ is a bijection

Generating an equivalence relation out of another relation?

Prove relations

How many relations in ${\mathscr P}(A \times A)$ are symmetric?

Prove that this set is compact?

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