Three dialogues between Hylas and Philonous : the design of which is plainly to demonstrate the reality and perfection of humane knowlege, the incorporeal nature of the Soul, and the immediate providence of a Deity / George Berkeley ; edited, with an introduction, by Robert Merrihew Adams.    Indianapolis, Indiana : Hackett Publishing Company, [1979]  ©1979 . xxxii, 105 stran