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New posts in Well Orders
Infinite, totally ordered and well ordered sets
May 07, 2021
How to prove there exists an uncountable well-ordered set without using axiom of replacement
May 04, 2021
Prove that there is no positive integer between 0 and 1
May 03, 2021
Can we find a well ordering on an infinite set with no largest element?
May 02, 2021
"There is no well-ordered uncountable set of real numbers"
May 01, 2021
Is there any known uncountable set with an explicit well-order?
Apr 28, 2021
Well-ordering theorem and second-order logic
Apr 25, 2021
Without appealing to choice, can we prove that if $X$ is well-orderable, then so too is $2^X$?
Apr 25, 2021
How to define a well-order on $\mathbb R$?
Apr 25, 2021
Explicit well-ordering of $\mathbb{N}^{\mathbb{N}}$
Apr 25, 2021
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