I. The Term and Its Impact

Though there was scattered use of the term in German historiography (Ernst Bernheim) and 19th-century German and French philosophy (Conrad Herrmann, M. Blondel), the concept and term go back to C.S. Peirce (see also II below), who introduced the concept in How to Make Our Ideas Clear (1878), the term in 1902 in J. Baldwin’s Dictionary of Philosophy and Psychology, and both orally between 1871 and 1873 ¶ in the Metap…