(If you are ready to look into the nature of an independent foundation, feel free to skip ahead.) To get started, consider again some examples of “whole-inherited” properties: whiteness, mass, and glassiness. Each of these properties is “diffusive.” Here is what I mean. A diffusive property spans arbitrary subsections. For example, a marble block is marble throughout its subsections. That is why if you break a marble tile into pieces, each piece will also be marble. The marble “diffuses” throughout