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15
Math.TechQA.Club
2026-04-16 22:00:32
107
Views
Difficulty with question about countable product of copies of $\mathbb{N}$
Published on
16 Apr 2026 - 22:00
#general-topology
#elementary-set-theory
#order-theory
239
Views
Why is a cofinal set called "cofinal?"
Published on
15 Apr 2026 - 23:48
#terminology
#order-theory
56
Views
Countable sub-order $C$ to infinite totally ordered set $T$ such that $\forall t\in T\ :\exists \: c\in C,\:t<c$.
Published on
14 Apr 2026 - 23:33
#order-theory
161
Views
What choice of morphisms on the category of ordinals yields Hessenberg arithmetic?
Published on
15 Apr 2026 - 18:13
#category-theory
#order-theory
#ordinals
121
Views
Definable vs Interpretable Order
Published on
19 Apr 2026 - 16:21
#logic
#order-theory
#model-theory
371
Views
What is the difference between a Partial Order Set and a Group
Published on
08 Apr 2026 - 16:47
#group-theory
#relations
#order-theory
107
Views
Examples of non-complete lattices with enough prime elements
Published on
15 Apr 2026 - 5:57
#general-topology
#reference-request
#examples-counterexamples
#order-theory
#lattice-orders
69
Views
Natural partial order of Mitsch on Natural numbers
Published on
16 Apr 2026 - 17:04
#abstract-algebra
#order-theory
#semigroups
#monoid
95
Views
Countable Subsets of Irrational Sets
Published on
14 Apr 2026 - 5:03
#real-analysis
#elementary-set-theory
#order-theory
394
Views
Ordered set notation in a simple case
Published on
16 Apr 2026 - 14:12
#notation
#order-theory
32
Views
Show that the relation on the set of all relations is a partial order
Published on
13 Apr 2026 - 23:48
#relations
#order-theory
1.3k
Views
What is a connex relation?.
Published on
10 Apr 2026 - 23:48
#general-topology
#elementary-set-theory
#order-theory
#ordered-fields
743
Views
Exact Definition of Non-Isomorphic Posets
Published on
16 Apr 2026 - 12:54
#discrete-mathematics
#order-theory
168
Views
Poset vs Set and Some Notations
Published on
12 Apr 2026 - 6:36
#elementary-set-theory
#notation
#order-theory
33
Views
Is it possible to solve a recurrence in which the biggest factor is negative (thus alternating)?
Published on
12 Apr 2026 - 11:35
#limits
#convergence-divergence
#recurrence-relations
#order-theory
#computational-complexity
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