I argue that Quine’s naturalization of Lewis’s Kantian pragmatism should be understood in terms of Lewis’s attempt to de-psychologize pragmatist epistemology. Lewis wants epistemology to be a priori in order to be distinct from psychology. Quine’s criticisms of Lewis result in a picture that weakens the distinction between epistemology and psychology. Nevertheless, Quine’s naturalized Kantian pragmatism remains far more Kantian than is widely recognized, due to what Quine retains from Lewis.

Once upon a time, academic philosophy in the Global North was characterized by a dichotomy between ‘analytic philosophy’ and ‘Continental philosophy.’ This distinction often determined not just one...