8 ideas
| 12205 | There are two families of modal notions, metaphysical and epistemic, of equal strength [Edgington] |
| 12207 | Metaphysical possibility is discovered empirically, and is contrained by nature [Edgington] |
| 12206 | Broadly logical necessity (i.e. not necessarily formal logical necessity) is an epistemic notion [Edgington] |
| 12208 | An argument is only valid if it is epistemically (a priori) necessary [Edgington] |
| 6455 | Maybe 'sense-data' just help us to talk about unusual perceptual situations [Lacey] |
| 6454 | Where do sense-data begin or end? Can they change? What sort of thing are they? [Lacey] |
| 6453 | Some claim sense-data are public, and are parts of objects [Lacey] |
| 9425 | Lewis later proposed the axioms at the intersection of the best theories (which may be few) [Mumford on Lewis] |