4 ideas
18699 | Carnap tried to define all scientific predicates in terms of primitive relations, using type theory [Carnap, by Button] |
12131 | All concepts can be derived from a few basics, making possible one science of everything [Carnap, by Brody] |
9141 | Abstraction theories build mathematics out of second-order equivalence principles [Cook/Ebert] |
16764 | The soul conserves the body, as we see by its dissolution when the soul leaves [Toletus] |