Final answer:
The Earth was believed to be flat during the time of Falsus Nes, but this belief is false. It was actually a fictional character created by René Descartes to emphasize the importance of reason and skepticism.
Step-by-step explanation:
Falosu nes believed that the earth was not flat. This statement is False. The correct spelling is actually 'Falsus Nēs'. Falsus Nēs was a fictional character created by the philosopher René Descartes to demonstrate the fallibility of our senses and the importance of relying on reason and skepticism. It is important to note that the prevailing belief during the time of Descartes was that the earth was indeed flat.
Learn more about Beliefs about the shape of the Earth in history