Uploaded November 2021 | Updated September 2026, 2 weeks ago
This is part of a series of lectures on the Zermelo-Fraenkel axioms for set theory.
We discuss the axiom of foundation, which says that the membership relation is well founded, and give some examples of the bizarre things that can happen if sets are allowed to be non-well-founded.
For the other lectures in the course see youtube.com/playlist?list=PL8yHsr3EFj52EKVgPi-p50fRP2_SbG2oi
This is part of a series of lectures on the Zermelo-Fraenkel axioms for set theory.
We discuss the axiom of foundation, which says that the membership relation is well founded, and give some examples of the bizarre things that can happen if sets are allowed to be non-well-founded.
For the other lectures in the course see youtube.com/playlist?list=PL8yHsr3EFj52EKVgPi-p50fRP2_SbG2oi










