4 ideas
17699 | Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel] |
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] |
18671 | The ground for an attitude is not a thing's 'goodness', but its concrete characteristics [Ewing] |