15 ideas
11970 | Logicians like their entities to exhibit a maximum degree of purity [Kaplan] |
11969 | Models nicely separate particulars from their clothing, and logicians often accept that metaphysically [Kaplan] |
14528 | Maybe modal thought is unavoidable, as a priori recognition of necessary truth-preservation in reasoning [Hale/Hoffmann,A] |
15086 | Absolute necessity might be achievable either logically or metaphysically [Hale] |
8261 | Maybe not-p is logically possible, but p is metaphysically necessary, so the latter is not absolute [Hale] |
15080 | 'Relative' necessity is just a logical consequence of some statements ('strong' if they are all true) [Hale] |
15081 | A strong necessity entails a weaker one, but not conversely; possibilities go the other way [Hale] |
15082 | Metaphysical necessity says there is no possibility of falsehood [Hale] |
15085 | 'Broadly' logical necessities are derived (in a structure) entirely from the concepts [Hale] |
15088 | Logical necessities are true in virtue of the nature of all logical concepts [Hale] |
15087 | Conceptual necessities are made true by all concepts [Hale] |
11971 | The simplest solution to transworld identification is to adopt bare particulars [Kaplan] |
11972 | Essence is a transworld heir line, rather than a collection of properties [Kaplan] |
11973 | Unusual people may have no counterparts, or several [Kaplan] |
11967 | Sentences might have the same sense when logically equivalent - or never have the same sense [Kaplan] |