Question

Is $ R = \{ \langle A,B\rangle \in P(\mathbb{N}) \times P(\mathbb{N}) : | A \triangle B | < \infty \} $ Equivalence Relation?

score 27 · Answer 1 · 2021-04-24 15:13:43

27

Views

Is $ R = \{ \langle A,B\rangle \in P(\mathbb{N}) \times P(\mathbb{N}) : | A \triangle B | < \infty \} $ Equivalence Relation?

Published on 24 Apr 2021 - 15:13

score 35 · Answer 2 · 2026-04-11 12:18:06

35

Views

Constrain a relation to be a function in FOL without equality

Published on 11 Apr 2026 - 12:18

score 454 · Answer 3 · 2026-03-29 11:00:06

454

Views

Describe the partition defined by the equivalence classes.

Published on 29 Mar 2026 - 11:00

score 194 · Answer 4 · 2026-04-11 11:29:05

194

Views

How do I find the equivalence class when an ordered pair is given?

Published on 11 Apr 2026 - 11:29

score 421 · Answer 5 · 2026-04-04 15:34:49

421

Views

X is not Hausdorff and for every point in X we have an open neighborhood that is homeomorphic to $\mathbb{R}$

Published on 04 Apr 2026 - 15:34

score 87 · Answer 6 · 2021-04-30 03:40:07

87

Views

How is this set symmetric and transitive?

Published on 30 Apr 2021 - 3:40

score 218 · Answer 7 · 2026-04-12 01:39:45

218

Views

How would you deal with equivalence relation and equivalence classes with functions??

Published on 12 Apr 2026 - 1:39

score 86 · Answer 8 · 2026-04-09 14:43:35

86

Views

Understanding formalization of equivalence relation on fibres of a function

Published on 09 Apr 2026 - 14:43

score 179 · Answer 9 · 2021-05-06 01:30:39

179

Views

Set theory Let R a equivalence relation on A and suppose that B is a subset A...

Published on 06 May 2021 - 1:30

score 83 · Answer 10 · 2026-04-10 07:35:28

83

Views

R is equivalence relation in A?

Published on 10 Apr 2026 - 7:35

score 57 · Answer 11 · 2021-05-08 23:19:00

57

Views

Proving equivalence relation on matrices

Published on 08 May 2021 - 23:19

score 50 · Answer 12 · 2026-04-04 17:10:30

50

Views

If a different message can produce the same ciphertext, is the system perfectly secure?

Published on 04 Apr 2026 - 17:10

score 88 · Answer 13 · 2021-05-11 03:08:15

88

Views

The function $F(n)=n+(-1)^n$ on $\Bbb{N}_0$. Injective? Surjective? Equivalence classes?

Published on 11 May 2021 - 3:08

score 118 · Answer 14 · 2026-04-11 16:40:55

118

Views

How does $\mathbb{P^1}$ identify with $S^1$?

Published on 11 Apr 2026 - 16:40

score 48 · Answer 15 · 2021-05-14 09:20:30

48

Views

Determining if this set is an equivalence relation

Published on 14 May 2021 - 9:20

List Question

Is $ R = \{ \langle A,B\rangle \in P(\mathbb{N}) \times P(\mathbb{N}) : | A \triangle B | < \infty \} $ Equivalence Relation?

Constrain a relation to be a function in FOL without equality

Describe the partition defined by the equivalence classes.

How do I find the equivalence class when an ordered pair is given?

X is not Hausdorff and for every point in X we have an open neighborhood that is homeomorphic to $\mathbb{R}$

How is this set symmetric and transitive?

How would you deal with equivalence relation and equivalence classes with functions??

Understanding formalization of equivalence relation on fibres of a function

Set theory Let R a equivalence relation on A and suppose that B is a subset A...

R is equivalence relation in A?

Proving equivalence relation on matrices

If a different message can produce the same ciphertext, is the system perfectly secure?

The function $F(n)=n+(-1)^n$ on $\Bbb{N}_0$. Injective? Surjective? Equivalence classes?

How does $\mathbb{P^1}$ identify with $S^1$?

Determining if this set is an equivalence relation

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