TETENS, Johann Nicolaus.

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Philosophische Versuche über die menschliche Natur und ihre Entwickelung. First edition of Tetens's major philosophical work, an ambitious inquiry into the origin and structure of knowledge. "His Philosophische Versuche exerted a tremendous influence on Kant when he was writing the Critique of Pure Reason, and the many similarities between their doctrines are evident" (Edwards, p. 96).Tetens (1736-1807), professor of philosophy and mathematics at the University of Kiel from 1776 to 1789, here identifies three fundamental mental faculties - understanding, will, and feeling - and argues for the independence of emotion from reason.

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