4 ideas
4577 | There is no necessity higher than natural necessity, and that is just regularity [Quine] |
11052 | Psychological logic can't distinguish justification from causes of a belief [Frege] |
5987 | Alcmaeon was the first to say the brain is central to thinking [Alcmaeon, by Staden, von] |
24043 | Soul must be immortal, since it continually moves, like the heavens [Alcmaeon, by Aristotle] |