Abstract

Although philosophising about given languages had been going on ever since the time of Plato's Kratylos , the idea of an artificial philosophical language or system of signs began to take shape in the seventeenth century. Both Descartes and Mersenne explored the ground for the foundations of a system of expressions which could meet all the requirements of logical thought; but the merit of presenting the first elaborate plans goes to the British authors George Dalgarno and John Wilkins. 1 Leibniz followed soon after with his characteristica universalis