6 ideas
17962 | The truth-maker principle is that every truth has a sufficient truth-maker [Forrest] |
14596 | Call 'nominalism' the denial of numbers, properties, relations and sets [Dorr] |
14597 | Natural Class Nominalism says there are primitive classes of things resembling in one respect [Dorr] |
14598 | Abstracta imply non-logical brute necessities, so only nominalists can deny such things [Dorr] |
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] |