6 ideas
15457 | Interdefinition is useless by itself, but if we grasp one separately, we have them both [Lewis] |
18758 | Validity is provable, but invalidity isn't, because the model is infinite [Church, by McGee] |
15400 | We must avoid circularity between what is intrinsic and what is natural [Lewis, by Cameron] |
15458 | A property is 'intrinsic' iff it can never differ between duplicates [Lewis] |
15459 | Ellipsoidal stars seem to have an intrinsic property which depends on other objects [Lewis] |
7413 | Without confidence in our beliefs, how should we actually live? [Tuck] |