David Malet Armstrong

Another Australian materialist, D.M. Armstrong, held, on the other hand, that colours are as a matter of fact properties of objects, such properties being of the sort describable in the theoretical terms of physics. Feigl, in turn, was to some extent (and rather reluctantly) a double-aspect theorist. He…

…Aristotle is the Australian philosopher David Armstrong.

…by the contemporary Australian philosopher David Armstrong, universals are perhaps not quite as immanent as they are according to the bundle theorists, but they nevertheless obey an Aristotelian “principle of instantiation,” insofar as no universal can exist without instances.

Armstrong, for example, champions universals as the best account of the difference between what he calls “natural” and heterogeneous classes—i.e., between a class of things each member of which objectively resembles all other members in a single respect, and a class of things each member…