5 ideas
19053 | Logic would be more natural if negation only referred to predicates [Dummett] |
19052 | Natural language 'not' doesn't apply to sentences [Dummett] |
19590 | Empiricists are passive thinkers, given their philosophy by the external world and fate [Novalis] |
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] |