Question

Let $\rho$ be the relation on $\mathbb{Z}\times\mathbb{Z}$ in which $(a,b)\rho(x,y) \iff a-b=x-y$. Prove it is an equivalence relation

score 113 · Answer 1 · 2017-05-22 08:10:38

Let $\rho$ be the relation on $\mathbb{Z}\times\mathbb{Z}$ in which $(a,b)\rho(x,y) \iff a-b=x-y$. Prove it is an equivalence relation

score 29 · Answer 2 · 2017-05-22 08:59:37

Prove that $\phi$ is a partial relation for. Let $\phi$ is a relation on $\mathbb{R}\times\mathbb{R}$, $(a,b)\phi (x,y) \iff a\leq x$ and $b\leq y$

score 30 · Answer 3 · 2026-03-27 06:15:32

30

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Inverse relation graphical shape

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score 64 · Answer 4 · 2017-05-24 17:55:09

64

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Is there a name for this type of "one-way reachability" relation?

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score 1.5k · Answer 5 · 2026-04-09 05:26:39

1.5k

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score 211 · Answer 6 · 2026-04-11 15:35:24

211

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Is the relation $R = \{ ( 1,2 ) \}$ on $A = \{ 1,2,3,4 \}$ not reflexive, not symmetric, antisymmetric and transitive?

Published on 11 Apr 2026 - 15:35

score 39 · Answer 7 · 2017-05-29 10:55:12

39

Views

To find $L^{-1} \circ L$ and $E \circ (L^{-1} \circ L) $

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score 70 · Answer 8 · 2026-04-11 02:28:09

70

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Different definitions of composed mapping

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score 44 · Answer 9 · 2017-06-01 16:24:37

44

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Defining various relations over a set

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score 61 · Answer 10 · 2026-04-09 05:26:19

61

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Verification of Elementary Proof on Partial Order

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score 187 · Answer 11 · 2017-06-02 11:05:02

187

Views

#Describe the smallest equivalence relation

Published on 02 Jun 2017 - 11:05

score 67 · Answer 12 · 2017-06-02 16:27:28

67

Views

Is my Hasse diagram for the poset relation correct?

Published on 02 Jun 2017 - 16:27

score 94 · Answer 13 · 2026-04-11 05:51:01

94

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How does this operation make a relation?

Published on 11 Apr 2026 - 5:51

score 579 · Answer 14 · 2026-04-12 01:02:43

579

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Largest Element in a Partial Order Relation

Published on 12 Apr 2026 - 1:02

score 430 · Answer 15 · 2026-04-12 06:56:48

430

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Is a unary function a binary relation

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List Question

Let $\rho$ be the relation on $\mathbb{Z}\times\mathbb{Z}$ in which $(a,b)\rho(x,y) \iff a-b=x-y$. Prove it is an equivalence relation

Prove that $\phi$ is a partial relation for. Let $\phi$ is a relation on $\mathbb{R}\times\mathbb{R}$, $(a,b)\phi (x,y) \iff a\leq x$ and $b\leq y$

Inverse relation graphical shape

Is there a name for this type of "one-way reachability" relation?

Find the Number of possible topological sort

Is the relation $R = \{ ( 1,2 ) \}$ on $A = \{ 1,2,3,4 \}$ not reflexive, not symmetric, antisymmetric and transitive?

To find $L^{-1} \circ L$ and $E \circ (L^{-1} \circ L) $

Different definitions of composed mapping

Defining various relations over a set

Verification of Elementary Proof on Partial Order

#Describe the smallest equivalence relation

Is my Hasse diagram for the poset relation correct?

How does this operation make a relation?

Largest Element in a Partial Order Relation

Is a unary function a binary relation

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