10 ideas
| 17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
| 18281 | In mathematics everything is algorithm and nothing is meaning [Wittgenstein] |
| 19718 | Indefeasibility does not imply infallibility [Grundmann] |
| 19717 | Can a defeater itself be defeated? [Grundmann] |
| 19716 | Simple reliabilism can't cope with defeaters of reliably produced beliefs [Grundmann] |
| 19715 | You can 'rebut' previous beliefs, 'undercut' the power of evidence, or 'reason-defeat' the truth [Grundmann] |
| 19713 | Defeasibility theory needs to exclude defeaters which are true but misleading [Grundmann] |
| 19714 | Knowledge requires that there are no facts which would defeat its justification [Grundmann] |
| 19719 | 'Moderate' foundationalism has basic justification which is defeasible [Grundmann] |
| 6606 | Consider: "Imagine this butterfly exactly as it is, but ugly instead of beautiful" [Wittgenstein] |