Piaget's Dilemma of the Category Structures

When a child is putting things in its mouth, it's basically using an inbuilt schema to categorize the world. Piaget was also smart enough to know that the construction project wasn't arbitrary. And so for example, while you two, you and I are having this conversation, we're mutually constructing the category systems because otherwise we wouldn't be able to understand each other. You can't just arbitrarily construct the world. But if you take the fact of the necessity of joint construction, then that imposes certain limitations on the category structures that are going to be imposed. So that's partly a solution to the postmodern dilemma.