2. If a person is a scientific realist, it is fairly easy to say something about the nature of progress in science. Perhaps: we make progress when we get more understanding of how the world really is, or more accurate representations of how the world really works. Suppose that you are a metaphysical constructivist instead; you think that the world we live in and investigate is a product of our theories, or our concepts, or the settlement of debates. Within a view of that kind, what might scientific progress be?
