Abstract

The problem of universals is one of the oldest problems in philosophy. One of the oddities of Spinoza's view of universals is that he endorses both Realism and Nominalism. An analogous Realist account can be given for all thinking things: all ideas, really do have something in common, intrinsically, constitutively, and mind‐independently: namely, thought as a determinable, qualitative, essential substantial nature. Spinoza's accounts of the nature of the human mind and of human emotions both can be read as accounts of such relative common properties. Spinoza's most detailed case study of a mind‐dependent universal whose idea is constructed through abstraction and comparison can be found in his account of the will. Spinoza also often implies that ideas of universals and abstractions have a lower epistemic value than thought that deals with particulars alone.