<?xml version="1.0" encoding="utf-8"?><rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:dc="http://purl.org/dc/elements/1.1/"><channel><title>Set Theory, spring 2020.</title><link>https://media.medfarm.uu.se/play/kanal/617</link><description></description><language>sv</language><copyright>Copyright (C) 2026 Uppsala universitet, MedfarmDoIT</copyright><item><title>Lecture 2020-05-14, first 45 min.</title><description>Ordinals.</description><link>https://media.medfarm.uu.se/play/video/11489</link><pubDate>Fri, 15 May 2020 14:29:28 +0000</pubDate></item><item><title>Lecture 2020-05-19, first part</title><description>Cardinals and cardinalities.</description><link>https://media.medfarm.uu.se/play/video/11546</link><pubDate>Tue, 19 May 2020 14:30:15 +0000</pubDate></item><item><title>Lecture 2020-05-19, second part</title><description>Cardinals and cardinalities.</description><link>https://media.medfarm.uu.se/play/video/11547</link><pubDate>Tue, 19 May 2020 14:32:40 +0000</pubDate></item><item><title>Lecture 2020-05-26, first part</title><description>More on cardinals and cardinalities.</description><link>https://media.medfarm.uu.se/play/video/11594</link><pubDate>Wed, 27 May 2020 07:52:08 +0000</pubDate></item><item><title>Lecture 2020-05-28, part 1</title><description>The cumulative hierarchy and rank.</description><link>https://media.medfarm.uu.se/play/video/11601</link><pubDate>Thu, 28 May 2020 14:49:33 +0000</pubDate></item><item><title>Lecture 2020-05-07 Part 1</title><description>Well-orderings, the Transfinite Recursion Theorem, and the Replacement Axiom.</description><link>https://media.medfarm.uu.se/play/video/11371</link><pubDate>Sat, 09 May 2020 10:32:51 +0000</pubDate></item><item><title>Lecture 2020-05-07 Part 2</title><description>Well-orderings, the Transfinite Recursion Theorem, and the Replacement Axiom.</description><link>https://media.medfarm.uu.se/play/video/11372</link><pubDate>Sat, 09 May 2020 10:39:58 +0000</pubDate></item><item><title>Lecture 2020-05-12</title><description>The axiom of choice and statements which are equivalent to it.</description><link>https://media.medfarm.uu.se/play/video/11411</link><pubDate>Tue, 12 May 2020 12:13:37 +0000</pubDate></item></channel></rss>