This class starts with verse 29 of 2nd valli of adhyaya 2. It explains the concept of bhranti svarupa, causal chains, partial causes and finally what is the position of bhakti when jnana is conceptualized as the cause of moksha.


http://blog.indianrenaissance.com/2008/04/13/season-2-katopanishad-part-9flv.aspx