 Physical property holism entails physical relational holism, but not vice versa. For suppose that F is some qualitative intrinsic physical property or relation of one or more elements of D that fails to supervene on qualitative intrinsic physical properties and relations in the supervenience basis of their basic physical parts. We may define a (non-intrinsic) physical relation \(R_{F}\) to hold of the basic physical parts of elements of D if and only if F holds of these elements. Clearly \(R_{F}\) does not supervene on the qualitative intrinsic physical properties of these parts. So physical property holism entails physical relational holism. But the converse entailment fails. For let \(R_{G}\) be a physical relation that holds between the basic parts of some elements in D when and only when those elements are in the relation \(S_{G}\). \(R_{G}\) may fail to supervene on the qualitative intrinsic physical properties of these basic parts, even though all qualitative intrinsic physical properties and relations of elements of D (including \(S_{G}\)) supervene on the qualitative intrinsic physical properties and relations of their basic parts.