4 ideas
5987 | Alcmaeon was the first to say the brain is central to thinking [Alcmaeon, by Staden, von] |
22307 | Propositions don't name facts, because two opposed propositions can match one fact [Russell] |
20523 | Property is theft! [Proudhon] |
24043 | Soul must be immortal, since it continually moves, like the heavens [Alcmaeon, by Aristotle] |