« first day (1683 days earlier)   

3:18 PM
How should questions about Banach-Tarski paradox be tagged? Many tags which are to some extent related come to mind - , , ... Have I totally misunderstood the Banach–Tarski paradox?
5
Q: Have I totally misunderstood the Banach–Tarski paradox?

BenubirdI was just reading about the Banach–Tarski paradox, and after trying to wrap my head around it for a while, it occurred to me that it is basically saying that for any set A of infinite size, it is possible to divide it into two sets B and C such that there exists some mapping of B onto A and C on...

 
3:55 PM
Incidentally, a question about Banach-Tarski paradox has recently been asked also on MO: Axiom of choice, Banach-Tarski and reality.
12
Q: Axiom of choice, Banach-Tarski and reality

ThiKuThe following is not a proper mathematical question but more of a metamathematical one. I hope it is nonetheless appropriate for this site. One of the non-obvious consequences of the axiom of choice is the Banach-Tarski paradox and thus the existence of non-measurable sets. On the other hand, t...

 

« first day (1683 days earlier)