New posts in order-theory

Ordinal exponentiation - $2^{\omega}=\omega$

Must a sequence be well-founded?

Give an example of a simply ordered set without the least upper bound property.

Is there a real number which comes just after a particular real number?

Hessenberg power of ordinals

Do there exist totally ordered sets with the 'distinct order type' property that are not well-ordered?

Is there a nice well-behaved order isomorphism between the real algebraic numbers and the rationals?

Is every suborder of $\mathbb{R}$ homeomorphic to some subspace of $\mathbb{R}$?

Well ordering agreeing with ordinal ordering on a cardinal

Quickest way to understand Kruskal's Tree Theorem

The p-adic numbers as an ordered group

Existence of totally ordered ring with zero divisors

How many chains are there in a finite power set?

Which of these constructions are left adjoints?

$\mathbb{R}$ and $\mathbb{R}\setminus \{0\}$ are not isomorphic as linear orders.

Strict partial order

Bourbaki-Witt fixed point theorem: two questions

Is the set of noncrossing partitions of an infinite set a lattice?

A well-order on a uncountable set

Nets - preoredered sets or posets?