Abstract

In the Tractatus Russell’s caveat against linguistic reflexivity becomes a caveat against reflective thought. The paper explores the relation between these. There is a connection, perhaps exemplified by 1789, between reflection on one’s assumptions and change. The same connection may be exemplified by violation of Russell’s system of levels. Even though Russell never explored this area, they will be violated by interactions of the macroscopic and microscopic. These interactions, like the philosophical questioning of assumptions, are a source of change and instability, of the failure of assumptions or presuppositions, and with it of aporia. Russell’s system of levels precludes these. An aim of avoiding presupposition failure links type theory to “On Denoting.” It is likely that the resistance to reflexivity has its origin in Russell’s rejection of the philosophy of Hegel where reflective thought is the motor of historical development.