Powerscore CR Bible —> Chapter 10: MOR & FIR (First/Prove Family)

Hi all, I have just completed the Powerscore CR Bible and found it too good. But I found Chapter 10 to be somewhat confusing. I need an answer to this post only from people who have read powerscore CR Bible. Till the time I read the theory part of common errors of reasoning, It was still fine. (...)