Series: Penn State Logic Seminar Date: Tuesday, March 20, 2001 Time: 2:30 - 3:20 PM Place: 316 Willard Building Speaker: Douglas K. Brown, Penn State, Altoona College, Mathematics Title: Vitali's Lemma in Reverse Mathematics, part 2 Abstract: We show that (a version of) Vitali's Lemma is equivalent, over RCA0, to the axiom WWKL. Some questions regarding the application of Vitali's Lemma will also be considered.