Lecture 4 of The Fiat Standard explains how fiat is mined through credit creation, incentivizing everyone to get into debt, causing prices to rise, which is covered up with the nonsensical CPI. Saylor's explanation of prices as a vector is far better for understanding inflation.

You can buy the hardcover, ebook or audiobook in several languages on saifedean.com/TFS, where you can also find the full lecture notes available for free download. 

You can also take the rest of Saifedean's courses by signing up to a membership on saifedean.com/membership