List questions from congruence-relations

Published on 22 Jan 2019 - 17:57

247

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Solution of the congruence $X^5 \equiv 1 \pmod {25}$ with lift

Published on 29 Jan 2019 - 18:32

146

Views

CEP for (distributive) lattices and groups?

Published on 22 Mar 2026 - 7:40

125

Views

If $(\alpha,\beta)$ is the factor pair congruences of algebra $\mathbb{A},$ ia $(\forall \gamma\in ConA)\alpha\circ\gamma=\gamma\circ\beta?$

Published on 17 Mar 2019 - 0:30

224

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Number Theory: Problem with proofs

Published on 22 Mar 2026 - 1:33

853

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Write a single congruence?

Published on 21 Mar 2026 - 22:08

67

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Show that $\equiv$ is a congruence on $M\times S$

Published on 21 Mar 2019 - 21:13

67

Views

Find all non-trivial congruence relations on $(\mathbb{Z},+,0,-)$.

Published on 31 Mar 2019 - 13:51

719

Views

multiplying and dividing in congruence

Published on 22 Mar 2026 - 6:37

588

Views

A discrepancy in the proof that 561 is Carmichael number.

Published on 22 May 2019 - 21:27

325

Views

A discrepancy in understanding the proof that any Carmichael number is square free.

Published on 22 May 2019 - 23:30

41

Views

An elaboration of a part in the proof of a criterion for finding Carmichael numbers.

Published on 23 May 2019 - 2:13

84

Views

Prove that $\mathbb{Z}/ \equiv 3$ has exactly three elements.

Published on 23 May 2019 - 13:43

194

Views

An elaboration of how an index formula comes from another formula.

Published on 23 Mar 2026 - 6:03

475

Views

How can I know the number of solutions of the following congruence $x ^ {10} \equiv 1 \pmod {2016}$?

Published on 08 Jun 2019 - 14:20

List Question

Showing $\Theta_{i}$ defined on $\prod _{i\in I}\mathcal{A}_{i}$ is a congruence relation.

Solution of the congruence $X^5 \equiv 1 \pmod {25}$ with lift

CEP for (distributive) lattices and groups?

If $(\alpha,\beta)$ is the factor pair congruences of algebra $\mathbb{A},$ ia $(\forall \gamma\in ConA)\alpha\circ\gamma=\gamma\circ\beta?$

Number Theory: Problem with proofs

Write a single congruence?

Show that $\equiv$ is a congruence on $M\times S$

Find all non-trivial congruence relations on $(\mathbb{Z},+,0,-)$.

multiplying and dividing in congruence

A discrepancy in the proof that 561 is Carmichael number.

A discrepancy in understanding the proof that any Carmichael number is square free.

An elaboration of a part in the proof of a criterion for finding Carmichael numbers.

Prove that $\mathbb{Z}/ \equiv 3$ has exactly three elements.

An elaboration of how an index formula comes from another formula.

How can I know the number of solutions of the following congruence $x ^ {10} \equiv 1 \pmod {2016}$?

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