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2 ideas
| 14617 | Predicates can't apply to what doesn't exist [Stalnaker] |
| Full Idea: Nothing can be predicated of something which does not exist. | |
| From: Robert C. Stalnaker (Merely Possible Propositions [2010], p.28) | |
| A reaction: [He says he is 'agreeing with Plantinga' on this] This seems very puzzling, as you can obviously say that dragons do not exist, but they breathe fire. Why can't you attach predicates to hypothetical objects? |
| 16626 | Substance is only grasped under the general heading of 'being' [Duns Scotus] |
| Full Idea: No substance is understood in its own right, except in the most universal of concepts, namely of 'being'. | |
| From: John Duns Scotus (In Metaphysics [1304], III n. 116), quoted by Robert Pasnau - Metaphysical Themes 1274-1671 07.3 | |
| A reaction: This is a fairly standard scholastic pessimism about knowing anything about substance. The modern view suggests that actually scientists know 'substance' pretty well. |