Abstract

What is philosophy? That’s a good question—not because there’s no answer, but because what’s involved in posing it points up something essential to philosophy. ¶ In the *Treatise on the Emendation of the Intellect,* Spinoza sets out what’s required by a definition. A circle, a typical definition might run, is a figure in which all lines drawn from the center to the circumference are equal. The problem with this definition, what makes it merely verbal, is that it defines a circle by way of one of its properties, not by way of its essence. Definition, for Spinoza, gets at the essence (from which all properties follow): A complete definition demonstrates how what it defines comes about. The definition of a circle as a figure that is described by any line of which one end is fixed and the other movable, as one commentator has pointed out, “literally generates the circle by providing a procedure whereby we ‘make’ the thing to be defined.” ¶ Philosophy is defined by what takes place in the question of philosophy itself. What Auden said of poetry could also be said of philosophy: it makes nothing happen. *Nothing* happens, or nothing *happens*—and in the space of the same few words both *can.* Philosophy operates that displacement and is defined by it: “what is *philosophy*?” become “*what is* philosophy?”—the question persists, but everything has changed.