>>1491511 (prev bread)
Not FE. (The church already mind - fucked all of Europe throughout the dark ages with that BS).
Ppl knew the Earth was round in B.C. times.
Flatland.
It's a book from about a hundred years ago.
A lot of math woven into a 'Victorian' setting.
Palace intrigues and all.
Find it online. Free pdf for sure.
It revealed too much logical reasoning so some idiot/shill wrote a book called 'Sphereland' to mind fuck the shit out of everyone. Counteract the logic in the original book.