display all the ideas for this combination of texts
3 ideas
16841 | Good inference has mechanism, precision, scope, simplicity, fertility and background fit [Lipton] |
1800 | Sceptics say reason is only an instrument, because reason can only be attacked with reason [Pyrrho, by Diog. Laertius] |
16854 | Contrary pairs entail contradictions; one member entails negation of the other [Lipton] |