4 ideas
18189 | ZFC could contain a contradiction, and it can never prove its own consistency [MacLane] |
5987 | Alcmaeon was the first to say the brain is central to thinking [Alcmaeon, by Staden, von] |
5470 | The idea of laws of nature arose in the Middle Ages [Hall,AR, by Ellis] |
24043 | Soul must be immortal, since it continually moves, like the heavens [Alcmaeon, by Aristotle] |