5 ideas
9465 | Substitutional universal quantification retains truth for substitution of terms of the same type [Jacquette] |
10801 | Either reference really matters, or we don't need to replace it with substitutions [Quine] |
9466 | Nominalists like substitutional quantification to avoid the metaphysics of objects [Jacquette] |
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] |