List questions from equivalence-relations

Published on 25 Mar 2026 - 12:54

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How much choice is needed to prove that $|G| \nless |G/ \sim|$ for any equivalence relation $\sim$ on set $G$?

Published on 02 Apr 2026 - 10:34

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Question regarding Transitivity of a Relation

Published on 01 Apr 2026 - 7:54

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Coequalizer in the category of modules

Published on 27 Mar 2026 - 7:14

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Show that the relation R defined on $\mathscr{P} \left( A \right)$ by $a R b, \forall x (x \in A \Leftrightarrow x \in B)$

Published on 22 Mar 2024 - 5:43

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Closedness of the Relation given by an Involution of $[0,1]$

Published on 23 Mar 2024 - 22:52

90

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Find an equivalence relation over all of $\mathbb{Z}$ which has infinitely many equivalence classes with infinitely many elements in each

Published on 26 Mar 2026 - 6:21

248

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When can we modify $a \propto \ b$ adding $\delta $?

Published on 03 Jan 2015 - 7:29

61

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How to deal with equivalence relations and equivalence classes

Published on 04 Jan 2015 - 9:41

889

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Mathematical Relations in Computing - Unary

Published on 01 Apr 2026 - 19:05

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Corresponding partition in equivalence relation

Published on 08 Jan 2015 - 9:44

63

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Equivalence relations-Discrete Math

Published on 08 Jan 2015 - 15:10

81

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Basic group algebra exercise

Published on 08 Jan 2015 - 15:46

61

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Pass from partition to the equivalence relations

Published on 10 Jan 2015 - 16:19

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Is $R = \{ (x, y) \in \mathbb{R} \times \mathbb{R} \mid x - y \in \mathbb{N}\}$ an equivalence relation?

Published on 10 Jan 2015 - 17:36

List Question

number of "equivalence relations" on a set with "n-elements"

How much choice is needed to prove that $|G| \nless |G/ \sim|$ for any equivalence relation $\sim$ on set $G$?

Question regarding Transitivity of a Relation

Coequalizer in the category of modules

Show that the relation R defined on $\mathscr{P} \left( A \right)$ by $a R b, \forall x (x \in A \Leftrightarrow x \in B)$

Closedness of the Relation given by an Involution of $[0,1]$

Find an equivalence relation over all of $\mathbb{Z}$ which has infinitely many equivalence classes with infinitely many elements in each

When can we modify $a \propto \ b$ adding $\delta $?

How to deal with equivalence relations and equivalence classes

Mathematical Relations in Computing - Unary

Corresponding partition in equivalence relation

Equivalence relations-Discrete Math

Basic group algebra exercise

Pass from partition to the equivalence relations

Is $R = \{ (x, y) \in \mathbb{R} \times \mathbb{R} \mid x - y \in \mathbb{N}\}$ an equivalence relation?

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