17 ideas
| 18261 | A simplification which is complete constitutes a definition [Kant] |
| 11022 | Gentzen introduced a natural deduction calculus (NK) in 1934 [Gentzen, by Read] |
| 22275 | Logic gives us the necessary rules which show us how we ought to think [Kant] |
| 11065 | The inferential role of a logical constant constitutes its meaning [Gentzen, by Hanna] |
| 11023 | The logical connectives are 'defined' by their introduction rules [Gentzen] |
| 11213 | Each logical symbol has an 'introduction' rule to define it, and hence an 'elimination' rule [Gentzen] |
| 7306 | If the only property of a name was its reference, we couldn't explain bearerless names [Miller,A] |
| 10067 | Gentzen proved the consistency of arithmetic from assumptions beyond arithmetic [Gentzen, by Musgrave] |
| 18260 | If we knew what we know, we would be astonished [Kant] |
| 7322 | Constitutive scepticism is about facts, and epistemological scepticism about our ability to know them [Miller,A] |
| 7325 | Dispositions say what we will do, not what we ought to do, so can't explain normativity [Miller,A] |
| 7324 | Explain meaning by propositional attitudes, or vice versa, or together? [Miller,A] |
| 7323 | If truth is deflationary, sentence truth-conditions just need good declarative syntax [Miller,A] |
| 7315 | 'Jones is a married bachelor' does not have the logical form of a contradiction [Miller,A] |
| 7328 | The principle of charity is holistic, saying we must hold most of someone's system of beliefs to be true [Miller,A] |
| 7329 | Maybe we should interpret speakers as intelligible, rather than speaking truth [Miller,A] |
| 7333 | The Frege-Geach problem is that I can discuss the wrongness of murder without disapproval [Miller,A] |