Maybe fermatslibrary.com is a badly designed website that returns SEO
spam like content depending on such things as IP address, browser or
some other factors.
It's interesting that a URL is no ground truth, and that my comments
below are discussing an entirely different text.
Education is mentioned on the first page in the 6th paragraph.
Upon reading your other comment, it's possible that whatever you are viewing the page on is not rendering the pdf containing the actual text and you are only seeing the annotations.
Maybe fermatslibrary.com is a badly designed website that returns SEO spam like content depending on such things as IP address, browser or some other factors.
It's interesting that a URL is no ground truth, and that my comments below are discussing an entirely different text.