Question

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

score 26 · Answer 1 · 2026-03-25 03:07:28

26

Views

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

Published on 25 Mar 2026 - 3:07

score 274 · Answer 2 · 2026-03-22 16:16:26

274

Views

Is it true, that for any two non-isomorphic finite groups $G$ and $H$ there exists such a group word $w$, that $|V_w(G)| \neq |V_w(H)|$?

Published on 22 Mar 2026 - 16:16

score 176 · Answer 3 · 2019-02-13 13:42:39

176

Views

Do we need the axiom of replacement (ZFC) to define a product of structures (Universal Algebra)?

Published on 13 Feb 2019 - 13:42

score 474 · Answer 4 · 2019-02-15 19:05:02

474

Views

Reflexive graph, meaning of the reflection

Published on 15 Feb 2019 - 19:05

score 115 · Answer 5 · 2019-02-22 08:44:04

115

Views

Does the specific condition on a normal subgroup of a finite group imply that it is a direct factor?

Published on 22 Feb 2019 - 8:44

score 131 · Answer 6 · 2019-02-24 06:35:12

131

Views

Are the "compatibility axioms" of vector space axioms derivable from a general "compatibility principle"

Published on 24 Feb 2019 - 6:35

score 52 · Answer 7 · 2019-02-24 22:04:40

52

Views

Can every β∈Eq(A) be represented by some terms using α1,α2,α3,α4∈Eq(A) and ∩,∨?

Published on 24 Feb 2019 - 22:04

score 154 · Answer 8 · 2019-02-25 11:23:32

154

Views

Does the specific condition on a normal subgroup of a finite group imply that it is a direct factor? v2.0

Published on 25 Feb 2019 - 11:23

score 136 · Answer 9 · 2019-02-26 06:14:47

136

Views

Trying to find a 4-nary bracket operator that is not a generalisation of commutator, associator and polynomial identities

Published on 26 Feb 2019 - 6:14

score 90 · Answer 10 · 2019-03-01 08:50:54

90

Views

Query on algebraic systems, varieties and free objects

Published on 01 Mar 2019 - 8:50

score 348 · Answer 11 · 2019-02-21 19:22:50

348

Views

Why an alternative magma need not even be power-associative?

Published on 21 Feb 2019 - 19:22

score 67 · Answer 12 · 2019-03-03 14:46:26

67

Views

Equivalence of Frankl's Conjecture

Published on 03 Mar 2019 - 14:46

score 122 · Answer 13 · 2019-03-10 11:25:21

122

Views

Cardinality of Sub(A) is smaller than ${\aleph_0}$ or equal $2^{\aleph_0}$?

Published on 10 Mar 2019 - 11:25

score 147 · Answer 14 · 2026-03-25 04:38:21

147

Views

CEP for (distributive) lattices and groups?

Published on 25 Mar 2026 - 4:38

score 126 · Answer 15 · 2026-03-25 04:42:30

126

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 25 Mar 2026 - 4:42

List Question

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

Is it true, that for any two non-isomorphic finite groups $G$ and $H$ there exists such a group word $w$, that $|V_w(G)| \neq |V_w(H)|$?

Do we need the axiom of replacement (ZFC) to define a product of structures (Universal Algebra)?

Reflexive graph, meaning of the reflection

Does the specific condition on a normal subgroup of a finite group imply that it is a direct factor?

Are the "compatibility axioms" of vector space axioms derivable from a general "compatibility principle"

Can every β∈Eq(A) be represented by some terms using α1,α2,α3,α4∈Eq(A) and ∩,∨?

Does the specific condition on a normal subgroup of a finite group imply that it is a direct factor? v2.0

Trying to find a 4-nary bracket operator that is not a generalisation of commutator, associator and polynomial identities

Query on algebraic systems, varieties and free objects

Why an alternative magma need not even be power-associative?

Equivalence of Frankl's Conjecture

Cardinality of Sub(A) is smaller than ${\aleph_0}$ or equal $2^{\aleph_0}$?

CEP for (distributive) lattices and groups?

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

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