A collection of papers, which passed between the late learned Mr. Leibnitz and Dr. Clarke, in the years 1715 and 1716 : relating to the principles of natural philosophy and religion : with an appendix : to which are added, letters to Dr. Clarke concerning liberty and necessity; from a gentleman of the University of Cambridge : with the doctor's answers to them : also remarks upon a book, entituled, A philosophical enquiry concerning human liberty / by Samuel Clarke ...