Abstract

Four years after completing his Ph.D. on “The Psychology of Kant,” one of Peirce’s most famous students, John Dewey, published a compendium of Leibniz’s main theses, his 1888 Leibniz’s New Essays.1 Such a move from critical to pre-critical rationalism seems to echo Peirce’s judgment that to fully understand Kant, a thorough familiarity with Leibniz’s philosophy is an indispensable preliminary (N 2:186, 1899); for Kant himself “was reposing in a firm belief in the metaphysics of Leibnitz as theologized by Wolff when he first read the book of Hume.” (W 1:104, 1863) Peirce himself started his reflection with the study of Kant’s thought. The purpose of the present paper is to demonstrate that his actual implicit..