This book is the first to describe the development of Halevi's thought with a view to reaching a better understanding of its inherent systematic difficulties, as well as enabling identification of the various strata of the book belonging to different periods in his philosophical development.

The first part describes a kind of Aristotelian philosophy which seems to be espoused by Halevi himself before writing the Kuzari. The second part concerns itself with his early thought as expressed in certain parts of the Book of Kuzari. At this stage his thought is still faithful to the essentials...