Like Leibniz, Kant can be seen as a Russellian monist. Kant endorses a version of structuralism about physics: “All that we cognize in matter are nothing but relations. What we call the intrinsic determinations of it are intrinsic only in a relative sense…” (1781/1787: A285/B341; Pereboom 1985: 413–23, 1991a,b, 2011: 100–101; Van Cleve 1988; Langton 1998; cf. Holden 2004: 236–63). In material objects we discover only extrinsic properties and relatively intrinsic properties, never any properties