Question

Why do we have $E_0(\Bbb N^\Bbb N)\sim_c E_0$?

score 74 · Answer 1 · 2026-03-29 20:55:09

74

Views

Why do we have $E_0(\Bbb N^\Bbb N)\sim_c E_0$?

Published on 29 Mar 2026 - 20:55

score 63 · Answer 2 · 2026-04-11 18:39:40

63

Views

describe the equivalence classes of ≈

Published on 11 Apr 2026 - 18:39

score 1.9k · Answer 3 · 2021-03-16 19:59:25

1.9k

Views

Define a relation $R$ on $\mathbb{Z}$ by $aRb$ iff $3a - 5b$ is even. Prove $R$ is an equivalence relation and describe equivalence classes.

Published on 16 Mar 2021 - 19:59

score 48 · Answer 4 · 2021-03-17 16:52:09

48

Views

Prove that $ R $ is an equivalence relation.

Published on 17 Mar 2021 - 16:52

score 41 · Answer 5 · 2021-03-17 19:21:11

41

Views

Prove equivalence relation (solution verification)

Published on 17 Mar 2021 - 19:21

score 34 · Answer 6 · 2021-03-19 02:08:36

34

Views

Show that $S = \{(a,a) | a \in A\}$ is an equivalence relation on A. How may equivalence classes does S define in A?

Published on 19 Mar 2021 - 2:08

score 42 · Answer 7 · 2021-03-20 17:58:18

42

Views

Prove that $\mathbf{R} = \{ (x,y) \in \mathbb{N^2} : x \ge y \}$ is an equivalence relation

Published on 20 Mar 2021 - 17:58

score 28 · Answer 8 · 2021-03-20 19:26:41

28

Views

Prove that these are equivalence relations.

Published on 20 Mar 2021 - 19:26

score 43 · Answer 9 · 2021-03-21 16:51:07

43

Views

Relations on the power set of $X=\{a,b,c\}$.

Published on 21 Mar 2021 - 16:51

score 235 · Answer 10 · 2021-03-21 23:42:01

235

Views

Showing correct proof for finding equivalence classes for relation defined on $\mathbb{Z}$ by $aRb$ if $6 \mid (a^2 - b^2)$

Published on 21 Mar 2021 - 23:42

score 157 · Answer 11 · 2021-03-22 04:43:33

157

Views

How is the following relation transitive?

Published on 22 Mar 2021 - 4:43

score 95 · Answer 12 · 2021-03-22 19:13:20

95

Views

Prove $\exists x (P(x) \lor Q(x)) ≡ \exists x P(x) \lor \exists x Q(x)$.

Published on 22 Mar 2021 - 19:13

score 23 · Answer 13 · 2021-03-22 21:06:27

23

Views

Prove that $G =\{(l_1 ,l_2) :l_1\ \text{is parallel to}\ l_2\},$

Published on 22 Mar 2021 - 21:06

score 104 · Answer 14 · 2026-03-26 14:22:45

104

Views

Number of distinct associated classes of the ring $\mathbb{Z}_n[i]$.

Published on 26 Mar 2026 - 14:22

score 359 · Answer 15 · 2021-03-25 17:46:25

359

Views

Least Upper Bound in Lattice

Published on 25 Mar 2021 - 17:46

List Question

Why do we have $E_0(\Bbb N^\Bbb N)\sim_c E_0$?

describe the equivalence classes of ≈

Define a relation $R$ on $\mathbb{Z}$ by $aRb$ iff $3a - 5b$ is even. Prove $R$ is an equivalence relation and describe equivalence classes.

Prove that $ R $ is an equivalence relation.

Prove equivalence relation (solution verification)

Show that $S = \{(a,a) | a \in A\}$ is an equivalence relation on A. How may equivalence classes does S define in A?

Prove that $\mathbf{R} = \{ (x,y) \in \mathbb{N^2} : x \ge y \}$ is an equivalence relation

Prove that these are equivalence relations.

Relations on the power set of $X=\{a,b,c\}$.

Showing correct proof for finding equivalence classes for relation defined on $\mathbb{Z}$ by $aRb$ if $6 \mid (a^2 - b^2)$

How is the following relation transitive?

Prove $\exists x (P(x) \lor Q(x)) ≡ \exists x P(x) \lor \exists x Q(x)$.

Prove that $G =\{(l_1 ,l_2) :l_1\ \text{is parallel to}\ l_2\},$

Number of distinct associated classes of the ring $\mathbb{Z}_n[i]$.

Least Upper Bound in Lattice

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