DISSERTATION SECOND: 



EXHIBITING A GENERAL VIEW OP THE 



progress of jHatfjemattcal antr jpjpsfal 



detente, 



SINCE THE REVIVAL OP LETTERS IN EUROPE 



PART II. 



BY JOHN PLAYFAIR, 



Late Professor of Natural Philosophy in the University of Edinburgh, Fellow of the Royal 

 Society of London, and Secretary of the Royal Society of Edinburgh. 



