List questions from order-theory

Published on 25 Mar 2026 - 19:00

78

Views

What is the meaning of $<$ in a preorder?

Published on 24 May 2014 - 17:29

62

Views

Has anyone used the isomorphism with $\Bbb{N}_{\gt 0}$ as a monomial ordering?

Published on 21 Mar 2026 - 1:24

211

Views

Describing orders on sets $\{1,2,3,4\}$ and $\mathbb N$ with minimal/maximal/maximum/minimum elements

Published on 24 May 2014 - 19:47

1.5k

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Is every continuous function measurable?

Published on 24 May 2014 - 20:50

66

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If a net is too big, convergence tells us very little?

Published on 25 Mar 2026 - 9:28

152

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Prove/disprove questions on equivalence relations and ordered sets

Published on 28 Mar 2026 - 20:13

340

Views

Total function vs Partial function

Published on 25 May 2014 - 15:17

623

Views

Recurrence Relation Solving Problem

Published on 27 May 2014 - 16:42

66

Views

Is there a mistake in this question: $\forall a\in A: |\{x\in A:x\le a \}|=|\{ y\in B :y\le a \}|$?

Published on 29 May 2014 - 11:55

51

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Is the series $\frac{1}{(n+1)^p}-\frac{1}{(n-1)^p}$ where 0<p<1 convergent or divergent?

Published on 29 May 2014 - 16:44

351

Views

Have you seen this property of tolerance relations before?

Published on 28 Mar 2026 - 18:15

109

Views

Understanding Recurrence Relation

Published on 31 May 2014 - 23:02

526

Views

Prove/disprove questions on isomorphism and embedding between order types

Published on 04 Jun 2014 - 16:53

391

Views

Coding Forcing Notions by Ordinal Numbers: A Possible Approach to Shelah-Foreman-Magidor Conjecture

Published on 25 Mar 2026 - 16:02

List Question

Terminology in forcing

What is the meaning of $<$ in a preorder?

Has anyone used the isomorphism with $\Bbb{N}_{\gt 0}$ as a monomial ordering?

Describing orders on sets $\{1,2,3,4\}$ and $\mathbb N$ with minimal/maximal/maximum/minimum elements

Is every continuous function measurable?

If a net is too big, convergence tells us very little?

Prove/disprove questions on equivalence relations and ordered sets

Total function vs Partial function

Recurrence Relation Solving Problem

Is there a mistake in this question: $\forall a\in A: |\{x\in A:x\le a \}|=|\{ y\in B :y\le a \}|$?

Is the series $\frac{1}{(n+1)^p}-\frac{1}{(n-1)^p}$ where 0<p<1 convergent or divergent?

Have you seen this property of tolerance relations before?

Understanding Recurrence Relation

Prove/disprove questions on isomorphism and embedding between order types

Coding Forcing Notions by Ordinal Numbers: A Possible Approach to Shelah-Foreman-Magidor Conjecture

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