Early modern philosophy Early modern philosophy Early modern philosophy (also classical modern philosophy) is a period in the history of philosophy at the beginning or overlapping with the period known as modern philosophy. The early modern period in history is roughly 1500–1789, but the label "early modern philosophy" is usually used to refer to a more specific period of time. In the narrowest sense, the term is used to refer principally to the philosophy of the 17th century, posited to have begun with René Descartes; to have included Thomas Hobbes, Blaise Pascal, Baruch Spinoza; and to have ended with Gottfried Wilhelm Leibniz and
Philosophy of the Unconscious of the scales, and his 'World-process' in the other. There are some who believe they weigh equally; for in each scale there is an evil word—and a good joke." Hartmann's work has been seen as preparing the way for Freud's later theory of the unconscious. Freud consulted "Philosophy of the Unconscious" while writing "The Interpretation of Dreams" (1899), in which he called Hartmann the firmest opponent of the theory that dreams are wish fulfillments. The philosopher Hans Vaihinger was influenced by "Philosophy of the Unconscious", relating in his "The Philosophy of 'As if'" (1911) how it led him to Schopenhauer.