8 ideas
22101 | Philosophy aims to know the truth about the way things are [Aquinas] |
11970 | Logicians like their entities to exhibit a maximum degree of purity [Kaplan] |
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
11969 | Models nicely separate particulars from their clothing, and logicians often accept that metaphysically [Kaplan] |
11971 | The simplest solution to transworld identification is to adopt bare particulars [Kaplan] |
11973 | Unusual people may have no counterparts, or several [Kaplan] |
11972 | Essence is a transworld heir line, rather than a collection of properties [Kaplan] |
11967 | Sentences might have the same sense when logically equivalent - or never have the same sense [Kaplan] |