27 ideas
| 22438 | Philosophy is largely concerned with finding the minimum that science could get by with [Quine] |
| 22436 | Logicians don't paraphrase logic into language, because they think in the symbolic language [Quine] |
| 22431 | Good algorithms and theories need many occurrences of just a few elements [Quine] |
| 9821 | A definition need not capture the sense of an expression - just get the reference right [Frege, by Dummett] |
| 22435 | The logician's '→' does not mean the English if-then [Quine] |
| 9585 | Since every definition is an equation, one cannot define equality itself [Frege] |
| 22433 | It is important that the quantification over temporal entities is timeless [Quine] |
| 22437 | Logical languages are rooted in ordinary language, and that connection must be kept [Quine] |
| 22434 | Reduction to logical forms first simplifies idioms and grammar, then finds a single reading of it [Quine] |
| 17446 | Counting rests on one-one correspondence, of numerals to objects [Frege] |
| 9582 | Husserl rests sameness of number on one-one correlation, forgetting the correlation with numbers themselves [Frege] |
| 9586 | In a number-statement, something is predicated of a concept [Frege] |
| 9580 | Our concepts recognise existing relations, they don't change them [Frege] |
| 9589 | Numbers are not real like the sea, but (crucially) they are still objective [Frege] |
| 9577 | The naïve view of number is that it is like a heap of things, or maybe a property of a heap [Frege] |
| 16007 | I assume existence, rather than reasoning towards it [Kierkegaard] |
| 9578 | If objects are just presentation, we get increasing abstraction by ignoring their properties [Frege] |
| 16013 | Nothing necessary can come into existence, since it already 'is' [Kierkegaard] |
| 22432 | Normally conditionals have no truth value; it is the consequent which has a conditional truth value [Quine] |
| 9581 | Many people have the same thought, which is the component, not the private presentation [Frege] |
| 9579 | Disregarding properties of two cats still leaves different objects, but what is now the difference? [Frege] |
| 9587 | How do you find the right level of inattention; you eliminate too many or too few characteristics [Frege] |
| 9588 | Number-abstraction somehow makes things identical without changing them! [Frege] |
| 9583 | Psychological logicians are concerned with sense of words, but mathematicians study the reference [Frege] |
| 9584 | Identity baffles psychologists, since A and B must be presented differently to identify them [Frege] |
| 22430 | If we understand a statement, we know the circumstances of its truth [Quine] |
| 13713 | Quine holds time to be 'space-like': past objects are as real as spatially remote ones [Quine, by Sider] |