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] |
6457 | Sensations are mental, but sense-data could be mind-independent [Vesey] |
20653 | Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson] |