If your personal definition of property is such that property has never existed anywhere (except maybe early medieval Iceland) than you don't have a very useful

If your personal definition of property is such that property has never existed anywhere (except maybe early medieval Iceland) than you don't have a very useful definition. The standard conception of property in American legal thought is the 'bundle of rights' metaphor: https://en.wikipedia.org/wiki/Bundle_of_rights https://en.wikipedia.org/wiki/Bundle_of_rights