5 ideas
15927 | Definition just needs negation, known variables, conjunction, disjunction, substitution and quantification [Weyl, by Lavine] |
594 | Speusippus suggested underlying principles for every substance, and ended with a huge list [Speussipus, by Aristotle] |
10246 | The limit of science is isomorphism of theories, with essences a matter of indifference [Weyl] |
2632 | Speusippus said things were governed by some animal force rather than the gods [Speussipus, by Cicero] |
16689 | The schools said spirits lack extension, and wonder how many could dance on a needle's point [More,H] |