3 ideas
21355 | The Pre-Socratics are not simple naturalists, because they do not always 'leave the gods out' [Leroi] |
10121 | Contradiction is not a sign of falsity, nor lack of contradiction a sign of truth [Pascal] |
11968 | The intension of a sentence is the set of all possible worlds in which it is true [Carnap, by Kaplan] |