19 ideas
7807 | The laws of thought are true, but they are not the axioms of logic [Bolzano, by George/Van Evra] |
11970 | Logicians like their entities to exhibit a maximum degree of purity [Kaplan] |
9618 | Bolzano wanted to reduce all of geometry to arithmetic [Bolzano, by Brown,JR] |
9830 | Bolzano began the elimination of intuition, by proving something which seemed obvious [Bolzano, by Dummett] |
17265 | Philosophical proofs in mathematics establish truths, and also show their grounds [Bolzano, by Correia/Schnieder] |
11969 | Models nicely separate particulars from their clothing, and logicians often accept that metaphysically [Kaplan] |
11971 | The simplest solution to transworld identification is to adopt bare particulars [Kaplan] |
11973 | Unusual people may have no counterparts, or several [Kaplan] |
11972 | Essence is a transworld heir line, rather than a collection of properties [Kaplan] |
9185 | Bolzano wanted to avoid Kantian intuitions, and prove everything that could be proved [Bolzano, by Dummett] |
11967 | Sentences might have the same sense when logically equivalent - or never have the same sense [Kaplan] |
22276 | Bolzano saw propositions as objective entities, existing independently of us [Bolzano, by Potter] |
17264 | Propositions are abstract structures of concepts, ready for judgement or assertion [Bolzano, by Correia/Schnieder] |
12232 | A 'proposition' is the sense of a linguistic expression, and can be true or false [Bolzano] |
12233 | The ground of a pure conceptual truth is only in other conceptual truths [Bolzano] |
20416 | By 1790 aestheticians were mainly trying to explain individual artistic genius [Kemp] |
20417 | Expression can be either necessary for art, or sufficient for art (or even both) [Kemp] |
20418 | The horror expressed in some works of art could equallly be expressed by other means [Kemp] |
20419 | We don't already know what to express, and then seek means of expressing it [Kemp] |