5 ideas
19043 | Bivalence applies not just to sentences, but that general terms are true or false of each object [Quine] |
8921 | Structuralism is now common, studying relations, with no regard for what the objects might be [Hellman] |
8922 | Maybe mathematical objects only have structural roles, and no intrinsic nature [Hellman] |
19393 | What is not active is nothing [Leibniz] |
19042 | Terms learned by ostension tend to be vague, because that must be quick and unrefined [Quine] |