A comprehensively reductive conception is favored by the belief that the propensity for the development of organisms with a subjective view must have been there from the beginning, just as the propensity for the formation of atoms, molecules, galaxies, and organic compounds must have been there from the beginning.

1970 "Death" Nous pp. 1970 "Armstrong on the Mind" Philosophical Review pp.  112-6.

His main areas of philosophical interest are philosophy of mind political philosophy and ethics. Continuing his critique of reductionism he is the author of Mind and Cosmos (2012) in which he argues against a reductionist view and specifically the neo-Darwinian view of the emergence of consciousness.