9 ideas
| 5035 | The two basics of reasoning are contradiction and sufficient reason [Leibniz] |
| 8717 | Hilbert wanted to prove the consistency of all of mathematics (which realists take for granted) [Hilbert, by Friend] |
| 10113 | The grounding of mathematics is 'in the beginning was the sign' [Hilbert] |
| 10115 | Hilbert substituted a syntactic for a semantic account of consistency [Hilbert, by George/Velleman] |
| 10116 | Hilbert aimed to prove the consistency of mathematics finitely, to show infinities won't produce contradictions [Hilbert, by George/Velleman] |
| 5038 | Assume that mind and body follow their own laws, but God has harmonised them [Leibniz] |
| 22381 | Being a good father seems to depend on intentions, rather than actual abilities [Foot] |
| 22380 | Some words, such as 'knife', have a meaning which involves its function [Foot] |
| 5037 | God doesn't decide that Adam will sin, but that sinful Adam's existence is to be preferred [Leibniz] |