New posts in well-orders

Can we find a well ordering on an infinite set with no largest element?

elementary-set-theory well-orders

The well ordering principle

set-theory real-numbers well-orders

Is the following relation on disjoint subsets of [n] transitive?

elementary-set-theory relations order-theory well-orders

Construction of a sequence function in Halmos' proof of the comparability theorem for well ordered sets using transfinite recursion

elementary-set-theory well-orders

"There is no well-ordered uncountable set of real numbers"

set-theory order-theory well-orders

Explicit well-ordering of $\mathbb{N}^{\mathbb{N}}$

set-theory well-orders

Given $S \hookrightarrow T$ construct $U ≈ T$ disjoint from $S$ in Z set theory?

set-theory axiom-of-choice well-orders

Hessenberg power of ordinals

set-theory order-theory ordinals well-orders

Why isn't this a well ordering of $\{A\subseteq\mathbb N\mid A\text{ is infinite}\}$?

elementary-set-theory well-orders

Propositional Functions with Well-Ordering/Strong Induction

induction well-orders

Prove that there is no positive integer between 0 and 1

number-theory well-orders

Prove that no ordinal is an element of itself

set-theory ordinals well-orders

How strong is the axiom of well-ordered choice?

set-theory axiom-of-choice foundations well-orders

Well-orderings and the perfect set property

set-theory descriptive-set-theory well-orders

There is a well ordering of the class of all finite sequences of ordinals

elementary-set-theory ordinals well-orders

Question on a step of "A Simple Proof of Zorn's Lemma" by Lewin

set-theory order-theory axiom-of-choice well-orders

Any Well-Ordering of $\mathbb{R}$ has no Corresponding Metric

real-analysis set-theory order-theory well-orders

Well-ordering theorem and second-order logic

logic set-theory axiom-of-choice well-orders second-order-logic

Proof of Comparability Theorem for well-ordered sets using transfinite recursion

elementary-set-theory set-theory well-orders

Is there any known uncountable set with an explicit well-order?

set-theory well-orders