Question

Equivalence relation with a language represented by a regular expression and meaning of ≈$_{L}$

score 140 · Answer 1 · 2026-03-28 05:22:24

140

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Equivalence relation with a language represented by a regular expression and meaning of ≈$_{L}$

Published on 28 Mar 2026 - 5:22

score 221 · Answer 2 · 2020-10-20 11:49:25

221

Views

The equivalence classes and their representatives

Published on 20 Oct 2020 - 11:49

score 125 · Answer 3 · 2026-04-08 19:26:32

125

Views

Proof of equivalence classes constituting a partition.

Published on 08 Apr 2026 - 19:26

score 51 · Answer 4 · 2020-10-22 20:33:04

51

Views

When is this not an equivalence relation?

Published on 22 Oct 2020 - 20:33

score 277 · Answer 5 · 2026-04-02 13:11:32

277

Views

Equivalence relation ≈L, for L ⊆ Σ*. Find u ≈L1 v and u !≈L2 v.

Published on 02 Apr 2026 - 13:11

score 343 · Answer 6 · 2026-04-09 01:16:15

343

Views

Simple question on using Equivalence relation property to solve an equation

Published on 09 Apr 2026 - 1:16

score 245 · Answer 7 · 2020-10-24 10:46:54

245

Views

Define the addition of two rationals as a function

Published on 24 Oct 2020 - 10:46

score 44 · Answer 8 · 2020-10-24 23:29:40

44

Views

Difficulty understanding notations for equivalence classes

Published on 24 Oct 2020 - 23:29

score 1.6k · Answer 9 · 2020-10-26 22:48:06

1.6k

Views

Determining all distinct equivalence classes

Published on 26 Oct 2020 - 22:48

score 59 · Answer 10 · 2020-10-29 12:57:36

59

Views

Prove that for every $X \in \mathscr{P}(A)$ there is exactly one $Y \in [X]_R$ such that $Y \cap B = \emptyset$

Published on 29 Oct 2020 - 12:57

score 221 · Answer 11 · 2020-10-29 17:19:19

221

Views

Show that $\sim$ is an equivalence relation

Published on 29 Oct 2020 - 17:19

score 54 · Answer 12 · 2020-10-30 07:28:07

54

Views

How to formally define a bijection $f\colon (A/\sim)\to R$, where $R\subseteq A$ is a set of representatives?

Published on 30 Oct 2020 - 7:28

score 44 · Answer 13 · 2020-10-30 20:27:01

44

Views

Given $R$, a symmetrical relation over $A$, if $(R \circ R)$ is a function, then $R$ is a function

Published on 30 Oct 2020 - 20:27

score 79 · Answer 14 · 2020-10-31 05:52:08

79

Views

Prove that $(R ∪ R^{-1}) _{k^2}$ is an equivalence relation

Published on 31 Oct 2020 - 5:52

score 117 · Answer 15 · 2026-04-08 11:34:55

117

Views

Proving that rational numbers cannot have denominator zero (without referring to division by zero)

Published on 08 Apr 2026 - 11:34

List Question

Equivalence relation with a language represented by a regular expression and meaning of ≈$_{L}$

The equivalence classes and their representatives

Proof of equivalence classes constituting a partition.

When is this not an equivalence relation?

Equivalence relation ≈L, for L ⊆ Σ*. Find u ≈L1 v and u !≈L2 v.

Simple question on using Equivalence relation property to solve an equation

Define the addition of two rationals as a function

Difficulty understanding notations for equivalence classes

Determining all distinct equivalence classes

Prove that for every $X \in \mathscr{P}(A)$ there is exactly one $Y \in [X]_R$ such that $Y \cap B = \emptyset$

Show that $\sim$ is an equivalence relation

How to formally define a bijection $f\colon (A/\sim)\to R$, where $R\subseteq A$ is a set of representatives?

Given $R$, a symmetrical relation over $A$, if $(R \circ R)$ is a function, then $R$ is a function

Prove that $(R ∪ R^{-1}) _{k^2}$ is an equivalence relation

Proving that rational numbers cannot have denominator zero (without referring to division by zero)

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