Question

How do I say mathematically that a binary relation is reflexive?

score 68 · Answer 1 · 2026-04-11 22:59:23

68

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How do I say mathematically that a binary relation is reflexive?

Published on 11 Apr 2026 - 22:59

score 259 · Answer 2 · 2026-04-16 07:03:23

259

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Are $4ab\pm 1 $ and $(4a^2\pm 1)^2$ coprime?

Published on 16 Apr 2026 - 7:03

score 431 · Answer 3 · 2026-04-11 19:09:25

431

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A problem about symmetric relations on finite sets.

Published on 11 Apr 2026 - 19:09

score 919 · Answer 4 · 2026-04-15 06:16:03

919

Views

Showing that $R$ is an equivalence relation on $X \times X$

Published on 15 Apr 2026 - 6:16

score 816 · Answer 5 · 2026-04-14 15:41:31

816

Views

Relation on rational numbers that defines a total order

Published on 14 Apr 2026 - 15:41

score 495 · Answer 6 · 2026-04-13 01:47:27

495

Views

"Differs in only finitely many terms" an equivalence relation on sequences?

Published on 13 Apr 2026 - 1:47

score 220 · Answer 7 · 2026-04-16 23:42:58

220

Views

Total Ordering and relation

Published on 16 Apr 2026 - 23:42

score 106 · Answer 8 · 2026-04-16 07:53:19

106

Views

Why am I getting that minimal elements are equivalent to the minimum?

Published on 16 Apr 2026 - 7:53

score 92 · Answer 9 · 2026-04-14 07:57:01

92

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Is $(\prod R_i)\circ (\prod R_i)$ the same as $\prod R_i\circ R_i$?

Published on 14 Apr 2026 - 7:57

score 64 · Answer 10 · 2026-04-12 11:35:33

64

Views

Do nets have subsequence?

Published on 12 Apr 2026 - 11:35

score 182 · Answer 11 · 2026-04-14 18:13:13

182

Views

Is there an infinite sequence AB, BC, CD, DX, ..., YZ

Published on 14 Apr 2026 - 18:13

score 98 · Answer 12 · 2026-04-14 19:55:40

Does there exist any elements which I can add to a Relation such that the Relation remains Sym/Anti, Trans, and Reflexive?

score 2.6k · Answer 13 · 2026-04-11 17:33:47

2.6k

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What are the usual definitions of minimality and maximality with respect to an arbitrary relation?

Published on 11 Apr 2026 - 17:33

score 753 · Answer 14 · 2026-04-10 15:13:08

753

Views

Properties of Equivalence Relation Compared with Equality

Published on 10 Apr 2026 - 15:13

score 645 · Answer 15 · 2026-04-16 08:59:19

645

Views

Determine if the following is a partial order, and if so, is it a total order?

Published on 16 Apr 2026 - 8:59

List Question

How do I say mathematically that a binary relation is reflexive?

Are $4ab\pm 1 $ and $(4a^2\pm 1)^2$ coprime?

A problem about symmetric relations on finite sets.

Showing that $R$ is an equivalence relation on $X \times X$

Relation on rational numbers that defines a total order

"Differs in only finitely many terms" an equivalence relation on sequences?

Total Ordering and relation

Why am I getting that minimal elements are equivalent to the minimum?

Is $(\prod R_i)\circ (\prod R_i)$ the same as $\prod R_i\circ R_i$?

Do nets have subsequence?

Is there an infinite sequence AB, BC, CD, DX, ..., YZ

Does there exist any elements which I can add to a Relation such that the Relation remains Sym/Anti, Trans, and Reflexive?

What are the usual definitions of minimality and maximality with respect to an arbitrary relation?

Properties of Equivalence Relation Compared with Equality

Determine if the following is a partial order, and if so, is it a total order?

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