4 ideas
| 11074 | 'It is true that this follows' means simply: this follows [Wittgenstein] |
| 11073 | Two and one making three has the necessity of logical inference [Wittgenstein] |
| 12185 | Logical necessity is epistemic necessity, which is the old notion of a priori [Edgington, by McFetridge] |
| 18284 | Particulars can be verified or falsified, but general statements can only be falsified (conclusively) [Popper] |