 As to 8, consider the grains of sand in the heap. Here it seems that the grains are prior—the heap exists in virtue of the grains. Or consider the tiles in the mosaic. Here it seems that the tiles are prior—the mosaic is just an arrangement of tiles. Or consider the individuals in a community. Here it seems that the individuals are prior—the community is just a grouping of individuals. In all these cases, it seems that part is prior to whole. Thus Leibniz (1714: 455) maintains that, in general, “a composite is nothing else than a collection or aggregatum of simple substances.” Relatedly, it is common in the contemporary discussions of metaphysical grounding and related notions, to see wholes treated as dependent on their parts. For example, Bennett (2017: 8–9) offers an initial survey of building relations, and takes her leading example to be that of the composition of wholes from their parts.