Counting Cosets
Channel: Andrew Misseldine
Date: 2020-10-16

In this video, we prove that all cosets have the same cardinatly, namely the order of the associated subgroup, and that the number of left cosets is equal to the number of right cosets.

This is lecture 18 (part 3/3) of the lecture series offered by Dr. Andrew Misseldine for the course Math 4220 - Abstract Algebra I at Southern Utah University. A transcript of this lecture can be found at Dr. Misseldine's website or through his Google Drive at: https://drive.google.com/file/d/1fMGUE3Zi0YP-ppcfihIWTDyuMSvDn_xw/view

This lecture is based upon Section 6.1 of Abstract Algebra: Theory and Applications (http://abstract.ups.edu/) by Tom Judson. Please post any questions you might have below in the comment field and Dr. Misseldine (or other commenters) can answer them for you. Please also subscribe for further updates.