The idea of creation of artificial language arose in 17th and 18th century as a result of gradually decreasing international role of Latin.Maat, Jaap. "Philosophical Languages in the Seventeenth Century: Dalgarno, Wilkins, Leibniz." PhD diss., Institute for Logic, Language, and Computation, University of Amsterdam, Amsterdam, 1999 The initial schemes were mainly aimed at the development of a rational language free from inconsistence of living language and based on classification of concepts. The material of living languages also appears later.
