Abstract

The term “Cartesianism” is commonly applied to a wide range of philosophical and scientific doctrines. The question of what constitutes the spirit or essence of Cartesianism – providing a common core for the works of Descartes, Arnauld, Rohault, La Forge, Régis, Spinoza, Le Grand or Malebranche, among others – has elicited a great variety of answers. Without attempting a comprehensive response to the question, I begin by presenting some main presuppositions and goals commonly attributed to Descartes and other Cartesian doctrines – both by their proponents and opponents. A fundamental Cartesian postulate concerns the metaphysical dualism of body and mind. Thoughts (e.g., ideas, volitions and judgments) are regarded by Descartes as modifications of the mind, whereas extension, size, shape, motion or rest are modifications of matter. According to the Cartesian “way of ideas,” the mind is directly acquainted only with its own modifications, and the objects external to the mind are known only through the mediation of ideas. External reality is viewed as given independently of any individual subjective consciousness. Although Descartes was not the first to posit this view, he invested it with a new meaning in his novel conception of the human mind. Within this framework, the Cartesian subject has been viewed mainly as an observer – one who can only represent independent reality rather than constitute it. Some indication of this view may be found in the third part of the..