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Zermelo–Fraenkel set theory

Zermelo–Fraenkel set theory

Search complete. 3 mentions across 1 episode found for "Zermelo–Fraenkel set theory".

Sep 16, 2026

Thorsten AltenkirchHOST
4:53
Yes
Deniz SarikayaHOST
4:53
... given the rest of the ZF axioms.
Deniz SarikayaHOST
4:55
And I, I think, I mean, there is a lot of convincing and cheating there involved.
Deniz SarikayaHOST
5:01
Um, if, if I think about this version, the infinite product of non-empty sets is, uh, non-empty, this sounds so obvious.

25 MINS LATER

Thorsten AltenkirchHOST
29:43
Whereas the other way, choice does imply excluded middle.
Thorsten AltenkirchHOST
29:47
So, so an, an axiom of choice is, is the, the stronger brutalist version of, uh, of classical logic.
Deniz SarikayaHOST
29:56
Maybe one final remark, I think from my side, would be that classically speaking, choice is rather tame because it doesn't change the consistency threa-strength of ZF.
Thorsten AltenkirchHOST
30:08
Yeah.

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