(Almost) all the particles in our bodies are replaced anyway, on the scale of a few years. Replacement here means a period of time when you’re without the molecule, and then another comes in to take its place; so it’s real whether or not particles have identities. This applies to quite large things like molecules. Once we know that, personal identity rooted in specific particles is shaky anyway.
(Almost) all the particles in our bodies are replaced anyway, on the scale of a few years. Replacement here means a period of time when you’re without the molecule, and then another comes in to take its place; so it’s real whether or not particles have identities. This applies to quite large things like molecules. Once we know that, personal identity rooted in specific particles is shaky anyway.