New posts in order-theory

Generalization of metric spaces?

Proving equivalence of a tree-based version of Countable Choice for families of finite sets.

The "Largeness" of Subsets of the Natural Numbers

Order-preserving injections of ordinals into $[0,1]$

Does the following object have such property?

Need construction for coequalizer in $\mathbf{Poset}$

Is $\pmb{\eta}\cdot\pmb{\omega_1} = (\pmb{\eta} + \pmb{1})\cdot\pmb{\omega_1}$?

Atoms necessary for the existence of a generic filter?

Total ordering on the free group

Converses of transitivity

Dimension of the poset $(\mathbb{R}^2,\ge)$

How to generate a random preference relation on a finite set uniformly?

Ordering the field of real rational functions

Linearly ordered sets "somewhat similar" to $\mathbb{Q}$

Linear order where every initial segment is finite

How many ordinals can we cram into $\mathbb{R}_+$, respecting order?

Example 2, Sec. 24, in Munkres' TOPOLOGY, 2nd ed: If $X$ is a well ordered set, then $X \times [0, 1)$ is a linear continuum

Cyclic permutation of factors preserves order of elements

Given an infinite poset of a certain cardinality, does it contains always a chain or antichain of the same cardinality?

ultrafilters as linear orders