pure” philosophy must just concede impotence and retreat into conservative conceptual anthropology until the advance of science puts it out of its misery. Philosophers have a choice: they can play games with folk concepts (ordinary language philosophy lives on, as a kind of aprioristic social anthropology) or they can take seriously the claim that some of these folk concepts are illusion-generators. The way to take that prospect seriously is to consider theories that propose revisions to those concepts.



