4 ideas
17962 | The truth-maker principle is that every truth has a sufficient truth-maker [Forrest] |
15432 | Structural universals might serve as possible worlds [Forrest, by Lewis] |
20653 | Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson] |
6004 | The cardinal virtues are theoretical (based on knowledge), and others are 'non-theoretical' [Hecato, by Dorandi] |