display all the ideas for this combination of texts
3 ideas
9085 | If propositions are concrete they don't have to exist, and so they can't be necessary truths [Plantinga] |
6718 | I can't really go wrong if I stick to wordless thought [Berkeley] |
9084 | Propositions can't just be in brains, because 'there are no human beings' might be true [Plantinga] |