Is That Still the Same Piece of Wax?

"Even with change that you're talking about changed, that doesn't mean that there'so an assertion that something has changed," he says. Even just the analysis of the wax, that is, this is the same thing even though it's melted. But we could, strictly speaking, say that of any substance, right? We exchange all our atoms, for instance, every seven years in our bodies. And if you want to talk about strictly material conditions for identity, i think you'd have some kind of problem.