Question

Axioms for equality

score 68 · Answer 1 · 2026-03-29 18:36:05

68

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Axioms for equality

Published on 29 Mar 2026 - 18:36

score 62 · Answer 2 · 2026-04-03 05:15:13

62

Views

What is the smallest equivalence relation containing two equivalence relations

Published on 03 Apr 2026 - 5:15

score 52 · Answer 3 · 2024-01-29 12:29:09

52

Views

Write all injective, surjective and bijective functions with given domain and codomain

Published on 29 Jan 2024 - 12:29

score 57 · Answer 4 · 2024-01-30 02:59:39

57

Views

Algebraic Proof that the Amplitude does not affect Frequency

Published on 30 Jan 2024 - 2:59

score 42 · Answer 5 · 2024-01-31 06:53:21

42

Views

Can an equivalence relation contain the null set?

Published on 31 Jan 2024 - 6:53

score 39 · Answer 6 · 2024-02-04 21:50:21

39

Views

Find the number of all relations which are both both symmetric and antisymmetric.

Published on 04 Feb 2024 - 21:50

score 35 · Answer 7 · 2024-02-06 01:11:56

35

Views

Number of partial orders such that a given function is monotone (order homomorphism)?

Published on 06 Feb 2024 - 1:11

score 35 · Answer 8 · 2024-02-07 17:37:51

35

Views

$\equiv$ is an equivalence relation on $P(\mathbb{N})$

Published on 07 Feb 2024 - 17:37

score 77 · Answer 9 · 2024-02-08 02:59:47

77

Views

Proving Subtraction without using it??

Published on 08 Feb 2024 - 2:59

score 54 · Answer 10 · 2024-02-09 11:26:33

54

Views

Determine whether a relation is symmetric

Published on 09 Feb 2024 - 11:26

score 133 · Answer 11 · 2024-02-09 16:02:39

133

Views

Is the relation $(a,A)R(b,B)\iff A\cup[0;b]=B\cup[0;a]$ transitive?

Published on 09 Feb 2024 - 16:02

score 74 · Answer 12 · 2024-02-10 19:28:29

74

Views

Let $A = \{1, 2, \ldots , n\}$ and R be the set of all equivalence relations on $A$.

Published on 10 Feb 2024 - 19:28

score 234 · Answer 13 · 2026-03-29 20:03:19

234

Views

Precise axiomatic definition for the equality "=" as a binary relation

Published on 29 Mar 2026 - 20:03

score 43 · Answer 14 · 2024-02-15 14:11:47

43

Views

Cartesian multiplation

Published on 15 Feb 2024 - 14:11

score 2.1k · Answer 15 · 2024-02-18 21:39:10

2.1k

Views

Can a function be defined as the union of two other functions?

Published on 18 Feb 2024 - 21:39

List Question

Axioms for equality

What is the smallest equivalence relation containing two equivalence relations

Write all injective, surjective and bijective functions with given domain and codomain

Algebraic Proof that the Amplitude does not affect Frequency

Can an equivalence relation contain the null set?

Find the number of all relations which are both both symmetric and antisymmetric.

Number of partial orders such that a given function is monotone (order homomorphism)?

$\equiv$ is an equivalence relation on $P(\mathbb{N})$

Proving Subtraction without using it??

Determine whether a relation is symmetric

Is the relation $(a,A)R(b,B)\iff A\cup[0;b]=B\cup[0;a]$ transitive?

Let $A = \{1, 2, \ldots , n\}$ and R be the set of all equivalence relations on $A$.

Precise axiomatic definition for the equality "=" as a binary relation

Cartesian multiplation

Can a function be defined as the union of two other functions?

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