To understand propriety/coherence (about 2/3 of the way down the page) you'll also need to have an understanding of enharmonics, and perhaps some context on why

To understand propriety/coherence (about 2/3 of the way down the page) you'll also need to have an understanding of enharmonics, and perhaps some context on why it's important to be able to know whether an interval is e.g. an augmented 3rd or a perfect fourth.