Question

Name of poset operation involving Möbius function

score 39 · Answer 1 · 2026-03-25 09:25:33

39

Views

Name of poset operation involving Möbius function

Published on 25 Mar 2026 - 9:25

score 43 · Answer 2 · 2026-03-25 03:06:59

43

Views

Question on some specific property of ordered semigroup

Published on 25 Mar 2026 - 3:06

score 37 · Answer 3 · 2019-02-03 14:02:58

37

Views

Orthogonality relations and orders

Published on 03 Feb 2019 - 14:02

score 175 · Answer 4 · 2019-02-03 17:27:57

175

Views

Proof for a question regarding order of $n$-tuples of real numbers

Published on 03 Feb 2019 - 17:27

score 74 · Answer 5 · 2026-03-25 09:22:18

74

Views

Transition between sequence and (multi-)set

Published on 25 Mar 2026 - 9:22

score 54 · Answer 6 · 2019-02-05 22:42:12

54

Views

Show that if a partial order has all least upper bounds, then it necessarily also has all greatest lower bounds and vice versa.

Published on 05 Feb 2019 - 22:42

score 544 · Answer 7 · 2026-03-26 03:13:36

544

Views

Show $(N, ≤)$ is a partial order with least upper bounds (lubs) and greatest lower bounds (glbs) of all pairs.

Published on 26 Mar 2026 - 3:13

score 40 · Answer 8 · 2019-02-06 16:23:33

40

Views

In the set $(\mathbb N^{+})^{\mathbb N}$ we have partially ordered set

Published on 06 Feb 2019 - 16:23

score 684 · Answer 9 · 2026-03-25 12:24:00

684

Views

Induced total order on equivalence classes from partial order

Published on 25 Mar 2026 - 12:24

score 64 · Answer 10 · 2019-02-06 19:49:48

64

Views

Initial segments of a well-founded connex relation are not necessarily finte.

Published on 06 Feb 2019 - 19:49

score 163 · Answer 11 · 2026-03-21 20:25:27

163

Views

Let $≺$ be a relation on a set $P$, reflexive and transitive. Def. $∼$ on $P$ by $p ∼ q \iff p ≺ q ∧ q ≺ p$. Show $∼$ is an equiv. relation.

Published on 21 Mar 2026 - 20:25

score 520 · Answer 12 · 2019-02-08 21:10:22

520

Views

Is there a word for a “connected component” of a partially ordered set?

Published on 08 Feb 2019 - 21:10

score 137 · Answer 13 · 2026-03-25 12:25:30

137

Views

How can I show every uncountable partial order is equal to the intersection of all its linear extensions?

Published on 25 Mar 2026 - 12:25

score 108 · Answer 14 · 2026-03-27 00:37:45

108

Views

Set of various order types of a set

Published on 27 Mar 2026 - 0:37

score 98 · Answer 15 · 2019-02-11 21:45:53

98

Views

On chain conditions and Zorn's Lemma, again

Published on 11 Feb 2019 - 21:45

List Question

Name of poset operation involving Möbius function

Question on some specific property of ordered semigroup

Orthogonality relations and orders

Proof for a question regarding order of $n$-tuples of real numbers

Transition between sequence and (multi-)set

Show that if a partial order has all least upper bounds, then it necessarily also has all greatest lower bounds and vice versa.

Show $(N, ≤)$ is a partial order with least upper bounds (lubs) and greatest lower bounds (glbs) of all pairs.

In the set $(\mathbb N^{+})^{\mathbb N}$ we have partially ordered set

Induced total order on equivalence classes from partial order

Initial segments of a well-founded connex relation are not necessarily finte.

Let $≺$ be a relation on a set $P$, reflexive and transitive. Def. $∼$ on $P$ by $p ∼ q \iff p ≺ q ∧ q ≺ p$. Show $∼$ is an equiv. relation.

Is there a word for a “connected component” of a partially ordered set?

How can I show every uncountable partial order is equal to the intersection of all its linear extensions?

Set of various order types of a set

On chain conditions and Zorn's Lemma, again

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