Propositional Logic Part 6.5: Zorn's Lemma

In this video, we briefly discuss Zorn's Lemma. We'll need Zorn's Lemma for our next proof, so if you aren't familiar with it yet this video should catch you up to speed. 0:00 Introduction 1:28 Definition of a Chain and Upper Bound 4:28 Statement of Zorn's Lemma 8:36 Example of using Zorn's Lemma