Quatenus and Spinoza’s Monism

spinoza holds that god is the only substance and that ordinary things are modes of that substance. Precisely what this entails as a metaphysical thesis is a matter of contention, but it has been criticized on logical grounds. Briefly, the criticism is as follows. Assuming that only a substance can be a proper subject of predication, it follows from Spinoza’s thesis that all predications correctly made of ordinary things must be properly made of God.1 This leads to contradiction. As some read him, Spinoza’s way out is to propose that various claims are true of God, not simpliciter, but only “insofar as” he is something specific.2 It is then assumed that what holds of God insofar as he is A need not hold...